Basic electronic circuitry (H03)

H   Electricity(222322)
H03            Basic electronic circuitry(47506)
Automatic control over quality of quartz generators operation, duplication at failures, indication, suppression of higher harmonics of signal // 2607414
FIELD: physics; technology of manufacturing.SUBSTANCE: invention relates to automatic control over a quartz generator operation and can be used at frequency hopping for switching over quartz generators in various equipment. Automatic control over quality of quartz generators operation is provided by availability of the first and the second quartz generators with two quartz resonators in each, a diode, an automatic control circuit with relay contacts, a power supply source and a load.EFFECT: absence of retuning into a false generation frequency, suppression of higher harmonics of the signal frequency at the output of the quartz generator, duplication of the quartz generator at termination its generation or at the generation frequency hopping.1 cl, 4 dwg
Reversible magnetic amplifier // 2607360
FIELD: electrical engineering.SUBSTANCE: invention relates to electrical engineering and can be used for power supply of excitation windings of electric machines. Reversible magnetic amplifier comprises two three-phase amplifiers with self-magnetization, in each phase of which two power windings with their leads are connected in series to electrodes of diodes, the second electrodes of triads of which with their leads are combined and form poles connected to diagonals of a bridge, two opposite arms of which are formed by resistors, and the other two – by half-windings of the electric machine, and the other leads of the power windings are combined and are intended for connection to an AC network. Amplifier has control windings. Herewith, parallel to the poles of each amplifier with self-magnetization there is a diode connected.EFFECT: higher reliability and efficiency.1 cl, 1 dwg
eander micro-strip delay line, protecting against ultrashort pulses // 2607252
FIELD: electrical engineering.SUBSTANCE: invention relates to electrical engineering and can be used for protecting electronics from ultrashort pulses. Delay line, consisting of one support conductor, two parallel to it and to each other signal conductors interconnected at one end, and dielectric medium, is characterized by fact, that line cross section parameters are chosen so, that simultaneously provided: average geometric value equality of even and odd modes wave resistances to wave impedance path, in which line is included; even and odd line modes values of minimum of linear delays, as well as their difference module, multiplied by line length, larger than sum of front, flat top and supplied to line decay pulse durations; minimum signal amplitude at line output.EFFECT: technical result is ultra-short pulse decomposition to smaller amplitude pulses.1 cl, 2 dwg
ethod of detecting presence of preset type noiseless coding discrete sequence // 2607235
FIELD: radio engineering.SUBSTANCE: invention relates to radio monitoring of radio systems of information transfer, which use noise-immune encoding. Core of this method is successive performing procedures for decoding and encoding a detected sequence with further estimation of coefficient of symbols mismatches between the said detected sequence and the obtained result, then by comparing the mismatches coefficient with the threshold a decision is taken upon presence or absence of noiseless coding a discrete sequence of a preset type.EFFECT: ability of detecting presence of noiseless coding of a preset type in real time in presence of errors in the analyzed discrete sequence.1 cl, 2 dwg
ethod and apparatus for interlaced amplitude pulsing using hard-tube type pulse generator // 2607234
FIELD: electricity.SUBSTANCE: invention relates to pulse generators. Method to facilitate interlaced amplitude pulsing using a hard-tube type pulse generator, having an energy-storage unit each comprising at least one energy-storing capacitor, characterised by that method comprises controlling an amount of energy withdrawn from energy-storage unit and provided to an output load, to obtain a series of productive interlaced amplitude electric pulses. Device to facilitate generation of interlaced amplitude pulses using a hard-tube type pulse generator comprises a capacitor – energy storage and selective control circuit.EFFECT: controlling amount of energy withdrawn from energy storage for generating at output load a series of productive interlaced amplitude electric pulses.30 cl, 7 dwg
Adaptation of weighing analysis or synthesis windows for encoding or decoding by conversion // 2607230
FIELD: acoustics; information technology.SUBSTANCE: invention relates to processing an audio signal and/or a video signal in the form of a sequence of samples and is intended for encoding and decoding a digital audio signal. For this purpose encoding or decoding is carried out by converting the digital audio signal using weighing analysis windows (ha) or synthesis windows (hs) used for samples frames, herewith the method includes non-uniform sampling (E10) of the initial window provided for a transformant of preset initial size N in order to use secondary conversion size M, which is different from N. Device includes a sampling module configured able to perform non-uniform sampling of the initial window provided for the transformant of given initial size N in order to use secondary conversion size M, which is different from N.EFFECT: saving memory resources and computational resources when encoding and decoding digital an audio signal by converting using weighing analysis and synthesis windows.15 cl, 7 dwg, 3 tbl
eander delay line of two coils with different separations protecting from ultrashort pulses // 2606776
FIELD: radio engineering.SUBSTANCE: invention relates to radio engineering and can be used for protection of radio electronics from ultrashort pulses. Delay line comprises a turn consisting of one reference conductor, two signal conductors parallel to each other and to the reference conductor and interconnected at one end with the product of the sum of linear delays of the even and the uneven modes of the line by its length of not less than the sum of lengths of the front, the flat top and the pulse signal decay, herewith the conductors are placed in the air, to the second end of the turn and identical turn is connected but with a different distance between the conductors, which are not electromagnetically connected with conductors of the first turn, selection of parameters of both structures simultaneously provides equality of the average geometric value of wave resistances of the even and the uneven modes to the path wave impedance containing the line and minimization of the signal amplitude at the line output.EFFECT: technical result is reducing the amplitude of ultrashort pulses (USP).1 cl, 4 dwg
eander delay line with face connection, which protects from ultrashort pulses // 2606709
FIELD: radio engineering.SUBSTANCE: invention relates to radio engineering and can be used for protection of radio electronics from ultrashort pulses. Delay line consists of one reference conductor, two parallel to it and to each other signal conductors connected to each other at one end and a dielectric medium, herewith the dielectric medium consists of a dielectric substrate and the ambient air, reference conductor is located on one side of the dielectric substrate with one of the signal conductors and the second signal conductor is located symmetrically to the first one relative to the dielectric substrate, herewith parameters of the line cross section are chosen so, that the average geometric value of wave resistances of the even and the uneven modes is equal to the path wave impedance containing the line, values of minimum of the linear delays of the even and the uneven line modes, as well as their difference module multiplied by the length of the line, are more than the sum of lengths of the front, the flat top and the decay of the pulse supplied to the line, amplitude of the signal at the line outlet is minimal.EFFECT: technical result is decomposition of an ultra-short pulse into pulses of a smaller amplitude.1 cl, 2 dwg
ethod of harmonic linearly frequency-modulated voltage analog forming // 2606307
FIELD: radio engineering and communications.SUBSTANCE: invention relates to radio engineering and can be used for generation of harmonic linearly frequency-modulated signals. Method of harmonic linear frequency modulated signal analog generation is characterized by, that specified duration reference voltage is generated, it is twice integrated, repeatedly integrated reference voltage is compared with two fixed voltage levels of Um1 and Um2 ≈ 0.5⋅Um1, wherein when repeatedly integrated reference voltage reaches voltage comparison level Um1 discharge pulses are generated, according to which repeated integration result is reset down to zero level, sequence of rectangular pulses is generated with pulse duration of τui=ti1-ti2, where ti1, ti2 are moments when repeatedly integrated reference voltage reaches levels Um2 ≈ 0.5⋅Um1 and Um1, respectively, on i-th integration interval before i-th reset, obtained rectangular pulses sequence spectrum low-frequency component is filtered.EFFECT: higher accuracy of harmonic linear frequency modulated signal generating.1 cl, 2 dwg
Switching device with control over its state and method of switching device state control // 2605947
FIELD: electronics.SUBSTANCE: invention relates to electronic engineering and can be used in switching devices of different purpose. Control over the state of a switching device containing two switching cascades series-connected between the power input and the output of the device involves at installation on the device signal input a command to close or open the device controlling the state of being closed/opened of both switching cascades, as well as additional controlling serviceability of each of the cascades. Herewith while, after a preset time interval t after sending the command, matched are the given command (the device state of being closed/opened installed on the device signal input) and the signal of the real state of being closed/opened of both cascades, it is considered that the switching device is in the operable state and implementation of the command installed on both cascades is allowed. In case of mismatch of the installed command and the signal on the real state of being closed/opened of at least one of the cascades in a preset time interval t after sending the command, it is considered that the switching device is in the inoperable state, closure of the adjacent cascade is blocked and a signal on the inoperable state of that cascade is set on the corresponding signal output of the device. Method and the device allow performing self-diagnosis of the switching device.EFFECT: at failure of one of the cascades closure of the adjacent cascade is blocked than eliminates the presence of voltage on the power output of the switching device.5 cl, 3 dwg

Proximity switch having learned sensitivity and method therefor // 2605916
FIELD: electronics.SUBSTANCE: invention relates to proximity switches. Proximity switch comprises control circuitry, which enables a sense activation field to determine activation of switch by user by comparing value of sense activation field with a threshold value. Furthermore, proximity switch includes sensitivity control circuitry learning a user sensitivity based on user activation of a sensor and controlling sensitivity of one or more proximity switches.EFFECT: technical result consists in improvement of control of sensitivity of proximity switches.13 cl, 11 dwg

Parametric resonance generator and method of exciting electric oscillations in generator // 2605764
FIELD: electrical engineering.SUBSTANCE: invention relates to electrical engineering, to resonant converters of electric energy based on parametric resonance generators. Parametric resonance generator comprises a set of coils interconnected in series and forming a resonance circuit with a capacity. Device for periodic changing the resonance circuit inductance is installed on the electric motor axle. Parametric resonance generator and the device for periodic changing the resonance circuit inductance are made of the first and the second parametric resonance electric machines installed one above the other. Each of the electric machines has a stator and a rotor. Rotors of the two electric machines are mounted on a common shaft. In stator slots of the first and the second electric machines around stator teeth there are main inductance coils connected to each other and to the capacity into a separate resonance circuit of each electric machine. Each main inductance coil in the second electric machine has an additional winding. All additional windings of all inductance coils of the second electric machine are interconnected in series and together with the main inductance coils are made in the form of a Tesla resonance transformer, wherein the main inductance coils of the resonance circuit are the primary winding. Additional windings of the inductance coils are made in the form of a secondary winding. Outputs of the Tesla transformer secondary winding are connected via a rectifier or one more Tesla transformer, a rectifier and an inverter to the load and via a frequency converter with the resonance circuit of the inductance coils of the first electric machine. Rotors of the first and the second electric machines in the cross section have on the outer rim ledges and slots. Dimensions of a rotor ledge are equal to the total size of two teeth and two slots of a stator. Number of a rotor ledges is twice less than the number of a stator teeth in each electric machine.EFFECT: technical result is improvement of power and decrease of dependence of produced power of the parametric resonance generator from the load.6 cl, 3 dwg

ethod of amplifying and demodulating frequency-modulated signals and device therefor // 2605675
FIELD: radio engineering and communications.SUBSTANCE: method of frequency-modulated signals amplifying and demodulating is characterised by that as external feedback circuit used is arbitrary complex four-terminal element connected in parallel to three polar nonlinear element, which with feedback circuit include as integral unit a cascade between source of signal with complex resistance and input of resistive four-terminal element, between output of resistive four-terminal element and low-pass filter includes high-frequency load in form of a bi-pole with complex resistance, in series to resistance of source of frequency-modulated signal first reactive matching two-terminal element is included, in series to resistance of high-frequency load second reactive matching two-terminal element is included.EFFECT: possibility of amplification and frequency demodulation with increased linear section of the frequency demodulation characteristics and increased dynamic range at arbitrary characteristics of the nonlinear element, external feedback circuit, load and parameters of resistive four-terminal element.2 cl, 3 dwg

Reconfigurable reed-solomon coder // 2605672
FIELD: data processing.SUBSTANCE: invention relates to digital data processing and can be used for noiseless data coding with variable correcting capacity in various systems of transmission or reception, as well as storage. Device includes an array of “AND” elements, a circuit of series-connected first-order IIR filters and a circuit of the first order series-connected FIR filters.EFFECT: technical result is assurance of coding Reed-Solomon codes for various characteristics, providing adjustment of correcting capacity depending on a purpose, higher efficiency and speed of operation.4 cl, 7 dwg

Adaptive device for controlling power thyristor // 2605454
FIELD: electrical engineering.SUBSTANCE: invention relates to electrical engineering and can be used to control power thyristors of rectifiers, independent inverters and thyristor contactors. Adaptive control device for power thyristor comprises power supply, current sensor, key device, threshold device, input of which is connected to output of current sensor, and its output is connected to control input of output voltage of power supply.EFFECT: reduced power losses.1 cl, 1 dwg

Phase modulator // 2605049
FIELD: radio engineering.SUBSTANCE: invention relates to radio engineering and can be used for constructing phase modulators with high modulation indices. Phase modulator comprises serially connected driving oscillator, first resistor and second resistor, differential amplifier, phase-shifting circuit, including a third resistor and series-connected first and second reactive elements of different types, modulating signal source, third reactive element, connected in parallel to one of reactive elements, wherein third reactive element must be other type in relation to reactive element, to which it is connected.EFFECT: technical result is higher index of phase modulation.1 cl, 2 dwg

Delay-optimised overlap transform, coding/decoding weighting windows // 2604994
FIELD: information technology.SUBSTANCE: invention relates to coding/decoding of a digital signal, consisting of successive blocks of samples. Coding includes application of a weighting window to two blocks of M successive samples. In particular, this weighting window is asymmetric and comprises four distinct portions extending successively over two aforesaid blocks, with a first portion, increasing over a first interval, a second portion, constant at a weighting value over a second interval, a third portion, decreasing over a third interval, and a fourth portion, constant at a weighting value over a fourth interval.EFFECT: technical result is improved quality of encoded sound.17 cl, 10 dwg

Apparatus comprising circular buffer and method for assigning redundancy versions to circular buffer // 2604992
FIELD: information technology.SUBSTANCE: invention relates to a communication system and can be used assigning redundancy versions to a circular buffer within a communication system. Device comprises an encoder outputting systematic bits, a first block of parity bits, and a second block of parity bits, each having length Kflow; rate matching circuitry receiving systematic bits, first block of parity bits and second block of parity bits and separately interleaving systematic bits, first block of parity bits and second block of parity bits; logic circuitry to define redundancy versions (RVs), corresponding to a bit position within data stream to begin outputting data, wherein RVs start at positions [Kflow/32] (C×i+σ), i = 0, 1, …, Y-1, where C indicates number of columns between two adjacent RVs, Y is number of determined RVs, σ indicates index of column of initial position of first RV (RV0), and wherein flow includes interleaved systematic bits, and interleaved and alternating first and second parity bits, and dummy bits; transmission circuitry which receives non-dummy bits, starting with a specific RV, and transmitting said non-dummy bits.EFFECT: improved efficiency of circular buffer.1 cl, 13 dwg

Non-inverting voltage repeater // 2604879
FIELD: electronics.SUBSTANCE: invention relates to circuitry, automation, industrial electronics and instrumentation. It can be used, in particular, in the form of buffer (decoupling) cascades and matching devices. Engineering problem is solved by that a non-inverting voltage repeater containing an operating amplifier is introduced with a set of four additional elements and the elements connection is changed, additional first and second resistors are interconnected in series, free terminal of the first of them is connected to the output of the existing operating amplifier, and free terminal of the second one is grounded, additional capacitor is connected parallel to the first additional resistor, common output of the first, the second additional resistors and the additional capacitor is connected to the non-inverting input of the additional operating amplifier, its output is connected to its inverting input, and also forms the output of the non-inverting voltage repeater relative to the grounding, common output of the inverting input and the output of the additional operating amplifier is connected to the non-inverting input of the existing operating amplifier.EFFECT: technical result is higher accuracy of voltage transfer.1 cl, 1 dwg

Bipolar-field operational amplifier based on "bent" cascade // 2604684
FIELD: radio electronics.SUBSTANCE: invention relates to radio electronics and can be used as signals amplification precision device. Bipolar field-effect operating amplifier comprises input differential cascade, which common source circuit is connected with first bus of power supply source, input differential cascade first and second inputs, input differential cascade first current output, connected to first output transistor emitter, input differential cascade second current output, connected to second output transistor emitter, first auxiliary two-terminal device, which first output is connected to second output transistor emitter, second auxiliary two-terminal device, which first output is connected to first output transistor emitter, dynamic load circuit, matched with first bus of power supply source, which input is connected to first output transistor collector, and output is connected to device output and second output transistor collector, wherein bases of first and second output transistors are connected to each other, second bus of power supply source, wherein first and second auxiliary two-terminal devices second outputs are connected to second bus of power supply source through first current-stabilizing two-terminal device and connected to additional transistor base, additional transistor emitter is connected to second bus of power supply source, and collector is connected to first bus of power supply source via second additional current-stabilizing two-terminal device.EFFECT: technical result is decreasing of zero offset voltage.4 cl, 12 dwg

Differential amplifier ambipolar currents // 2604683
FIELD: radio engineering.SUBSTANCE: invention relates to radio engineering. For this purpose, a differential amplifier of ambipolar currents, which contains the first and second inputs, first input cascade of current amplification, the input of which is connected to the first input; first output of the first input cascade of current amplification is connected to the input of the first current mirror, matched with the first power bus; second output of the first input cascade of current amplification is connected to the input of the second current mirror, matched with the second power bus; device output is connected to outputs of the first and second current mirrors. Circuit includes the second input cascade of current amplification, its input is connected to the second input of the device, first output of the second cascade input of current amplification is connected to the input of the third current mirror, matched with the first power bus; second output of the second input cascade of current amplification is connected to the input of the fourth current mirror, matched with the second power bus; wherein the output of the third current mirror is connected to the input of the second current mirror, and the output of the fourth current mirror is connected to the input of the first current mirror.EFFECT: technical result: creation of a power saving device for amplification of the difference between two input currents and suppression of their in-phase component.5 cl, 9 dwg

Rs flip-flop // 2604682
FIELD: computer engineering.SUBSTANCE: invention relates to computer engineering, automation, communication and can be used in special-purpose digital structures, systems for automatic control and transmission of digital information. Such result is achieved due to creation of an RS flip-flop, in which internal conversion of information is performed in multiple-valued current form of signals.EFFECT: technical result is faster information processing systems and creation of element base for computing devices operating on multi-value linear algebra principles.3 cl, 10 dwg

icrowave generator // 2604520
FIELD: electronics.SUBSTANCE: invention relates to electronic engineering and can be used as a generator with electronic frequency tuning. Microwave generator comprises a transmission line at output, three Schottky-barrier field-effect transistors, five inductances, two resistors, four capacitors.EFFECT: technical result is wider frequency tuning range and high output power.1 cl, 3 dwg

ethod and apparatus for transmitting infrared signal and remote control panel // 2604422
FIELD: physics.SUBSTANCE: present invention relates to wireless transmission of signals, particularly to a method and apparatus for transmitting an infrared signal using a remote control panel. Method includes generating a binary sequence, when a button is pressed, for each key on remote control coding and modulating a binary sequence, to obtain a signal with a series of pulses; and transmitting at least two signals with a series of pulses in form of an infrared signal until button is released.EFFECT: technical result consists in increase of probability of complete reception of infrared signals, improved possibility of suppression of interference and improved reliability of remote control using remote control panel.10 cl, 9 dwg

Device for determining amount of active inputs in any combinations of ten possible // 2604347
FIELD: data processing.SUBSTANCE: invention relates to automation and can be used in systems for analysis of the current state of a controlled object for further decision making upon changing its controlled status. Core of the invention is that the proposed device allows to accurately evaluate the number of activated sensors in the controlled subsystem. Herewith multiple used sensors can be represented by sensors of identical or different types. When using sensors of identical types it is allowed to use thereof with adjustment to different operation thresholds. Accurate estimation of the process development enables to generate the subsystem control commands for its successful operation. Using the proposed device it is possible to have more detailed understanding on the state of the controlled subsystem. This in its turn, allows to reduce the time of making a decision on controlling the controlled subsystem before it enters the pre-emergency (emergency) state.EFFECT: technical result is accurate accounting of amount of active inputs of the ten possible ones activated from actuated sensors of the controlled system (subsystem) in any possible combinations.1 cl, 22 dwg

ethod of generating frequency-to-voltage conversion characteristic // 2604336
FIELD: radio engineering.SUBSTANCE: invention relates to radio engineering and can be used to solve tasks of transformation frequency into voltage. Method of generating frequency-to-voltage conversion characteristic consists in using selective circuits connected in parallel and adjustment of their q-factors and resonance frequencies above and below main frequency of operating frequency band, wherein at least two series-connected selective circuits of upper and lower frequencies are used at frequencies above and below main frequency respectively, resonant frequencies and q-factor are defined to provide minimum deviation of formed characteristics from linear law of conversion.EFFECT: technical result is increased accuracy of transformation frequency into voltage due to formation of characteristics of transformation frequency into voltage close to linear at large values of slope inclination.1 cl, 1 dwg

Pulse counting method and device // 2604334
FIELD: computer engineering.SUBSTANCE: invention relates to digital computer engineering and can be used in automation digital devices. It is achieved due to, that each decimal digit is represented by four binary codes, calculation is performed by recording into least significant bit "1" or "0" code and shift by one bit between first-fourth positions towards most significant bits. Each decimal position of device contains three “AND-NOT” logic elements, logic element “AND”, count pulses input SI, device setting to zero input CLR, operation resolution input CE from previous lowest counter tetrad, operation resolution signal CR output to higher tetrad and four binary bits, wherein each binary bit contains one RS trigger, which is based on two logic elements “AND-NOT”, and four logic elements “AND-NOT”, clock input TI and setting to zero input.EFFECT: technical result is faster operation, reduced hardware expenses in binary-decimal counters decades and higher reliability due to simplification of device design.2 cl, 1 dwg, 1 tbl

Voltage level converter // 2604054
FIELD: computer engineering.SUBSTANCE: invention relates to computer engineering and can be used for constructing of voltage level high-speed converters, including during interfacing of electronic systems components with several power sources. Voltage level converter diagram includes eight of P-type field-effect transistors (1-8) and four of N-type (9-12), inputs of direct IN and inverse input signals, high level voltage power supply output VDD, low level voltage power supply output GND, and OUT output.EFFECT: disclosed voltage level converter has higher speed characteristic of high level voltage transformation and return to low level voltage.1 cl, 1 dwg

Digital pulse-width modulator // 2603546
FIELD: pulse engineering.SUBSTANCE: invention relates to pulse engineering and can be used in key power amplifiers. Such result is achieved by fact that digital pulse-width modulator comprises rectangular pulses generator 1, counters 2 and 3, counting trigger 4, sign trigger 5, OR elements 6, 7, 8, 9, 10 and 11, triggers 12 and 13, inverter 14, AND elements 15, 16 and 17, AND-NOT elements 18 and 19, pulse generators 20 and 21, multiplexers 22, 23, 24 and 25, limiting circuit 26 and reset circuit 27, output buses 28, 29, 30 and 31, input signal bus 32, sign bus 33 and interlocking bus 34. Proposed digital pulse-width modulator enables to perform same functions as prototype, with considerable simplification of device.EFFECT: simplified technical implementation of digital pulse-width modulator.1 cl, 3 dwg

High-speed frequency synthesiser // 2602991
FIELD: radio engineering.SUBSTANCE: invention relates to radio engineering and can be used in a frequency synthesiser with a pulsed phase-locked loop frequency. High-speed frequency synthesiser comprises a reference generator, frequency-phase detector, controlled current source, low-pass filter, adder-control signal generator, controlled generator, divider with variable or fractional variable division factor, register of control code word, decoder of control code word.EFFECT: technical result is faster operation when changing operating frequency.1 cl, 2 dwg

Frequency synthesizer // 2602990
FIELD: physics.SUBSTANCE: invention relates to radio electronics, namely to frequency synthesizers, based on phase automatic frequency control loop (FAFC). Frequency synthesizer comprises series-connected input signal frequency multiplier, divider with fixed division factor, first microcircuit of direct digital synthesis, phase-frequency detector first low-pass filter, voltage-controlled generator, negative feedback circuit comprising mixer, connected in series, one of inputs of which is connected to output of voltage-controlled generator, and second input is connected to output of input signal frequency multiplier, second low-pass filter and second microcircuit of direct digital synthesis, output of which is connected to input of phase-frequency detector, and control device, outputs of which are connected to inputs of first and second microcircuits of direct digital synthesis. Invention provides reduced level of phase noise and discrete components in output signal spectrum, which in turn improves quality of output signal, while maintaining high resolution and wide frequency band adjustment.EFFECT: technical result consists in reduction of level of phase noise and secondary discrete components in output signal spectrum, which in turn improves quality of output signal, while maintaining high resolution and wide frequency band adjustment.1 cl, 1 dwg

Programmable logic device // 2602780
FIELD: computer engineering.SUBSTANCE: invention relates to computer engineering and can be used in fault-tolerant, radiation-proof programmable logic integrated circuits (PLIC) for calculating logic functions. Device comprises a group of n inverters of variables, n groups, n is a number of input variables, main transmitting transistors are 2i, i=1, n transistors in the group, group of 2n inverters of adjustment, an output inverter, 2n+1-1 of subgroups of additional transmitting transistors for each of the main even and odd transistor of n groups of transmitting transistors consisting of three transistors. In each inverter of group of 2n inverters of adjustment, group of n inverters of variables, the output inverter there are three additional n-MOS transistors and three additional p-MOS transistors.EFFECT: technical result is higher fault tolerance.1 cl, 5 dwg, 3 tbl

Digital-to-analogue converter // 2602396
FIELD: digital equipment.SUBSTANCE: invention relates to analogue-to-digital equipment and can be used in digital values converting devices - codes into proportional analogue values. Digital-analogue converter has constant reference voltage source, resistive array, controlled electronic switches unit and currents summation unit, activation of additional resistors, connected in series to each other, as well as, that two additional resistors common output is connected to additional operational amplifier non-inverting input, its inverting input is connected with existing operational amplifier inverting input, enabled to provide considerable reduction of converter error.EFFECT: technical result consists in reduced conversion error due to effect of voltage change on operational amplifier inverting input.1 cl, 1 dwg

Surface acoustic wave filter // 2602392
FIELD: electronics.SUBSTANCE: invention relates to radio electronics and can be used in information processing devices. Filter on surface acoustic waves (SAW) comprises an acoustic line on working surface of which in one acoustic channel there are transmitting and receiving transducers, each of which comprises applied on surface of acoustic line a solid metal film, on which there is a film of zinc oxide with thickness 30-40 times less than length of SAW at centre frequency of filter, on which there is a system of interdigital electrodes, in form of short-circuited grid with period equal to length of SAW, and width equal to half length of SAW at centre frequency of filter.EFFECT: technical result is higher voltage supplied to piezoelectric film, without changing voltage supplied to converter, which leads to reducing insertion losses of filter and doubling upper limit of working frequencies of filter, since width of electrodes is more than a quarter of length of SAW at centre frequency of filter.1 cl, 3 dwg

Digital device for estimating parameters of chirp signals of radar station // 2602391
FIELD: radars.SUBSTANCE: invention relates to radar engineering. Invention is intended for identification of parameters of a chirp signal model in discrete moments of time. Invention can be used in radar stations for detection, guidance and tracking of a target. Digital device for estimating parameters of chirp signals of radar station comprises a unit for generating the function of parameters to be estimated, unit for generating the function of a covariance matrix, unit for generating the function of matrix sensitivity, unit for generating the function of estimating values of the signal, six units for generating the sum, eleven units for generating the difference, twenty one unit for product, seven units for division, seven units for squaring, five units for exponentiation (-1), unit for generating sin, unit for generating parameters to be estimated, unit for generating the covariance matrix, unit for generating matrix sensitivity, unit for generating values of the signal, unit for generating the system for identification of signal parameters.EFFECT: technical result is increased sensitivity of the receiving device of the radar station due to increased accuracy of identification of parameters of the probing signal, which further will be used as support while correlation receiving.1 cl, 5 dwg

ethod, device, and electronic signature tool for use in matching with audio interface of mobile terminal // 2602390
FIELD: electronics.SUBSTANCE: invention is related to electronic engineering. Method comprises connecting third pin with first pin via a first circuit, in which first circuit comprises a first unidirectional conduction module having a current direction of flowing to first pin; connecting third pin with second pin via a second circuit, in which second circuit comprises a second unidirectional conduction module having a current direction of flowing to second pin; controlling first unidirectional conduction module to turn on such that third pin and first pin form a first loop having an impedance matched with an identification resistance of mobile terminal; and controlling second unidirectional conduction module to turn on such that third pin and second pin form a second loop having an impedance matched with identification resistance of mobile terminal. This allows impedance of closed loop from output audio pin and earthing pin of audio interface to match with identification resistance of mobile terminal.EFFECT: technical result is providing matching of mobile terminal with audio interface.20 cl, 12 dwg

Context amount reducing for context adaptive binary arithmetic coding // 2602380
FIELD: information technology.SUBSTANCE: invention relates to techniques of context adaptive binary arithmetic coding (CABAC), which is used for video encoding. Disclosed is method of encoding video data. Method includes a step on which the choice is made of context of one or more contexts based on conversion unit depth of conversion, associated with a unit of encoded video data wherein the depth of conversion sets the current level of coding unit subdivision into units for converting coding. Further, according to the method, encoding of flag of encoded chrominance Cb is made for mentioned block of video data using context adaptive binary arithmetic coding (CABAC) and the selected context wherein encoding of flag of the colour coded unit flag encoding Cb includes using a set of contexts, including mentioned one or more contexts.EFFECT: technical result is eliminating of memory redundancy due to reduction of contexts used in CABAC.13 cl, 10 dwg, 22 tbl

Controlled switch of electric circuit elements // 2602368
FIELD: computer engineering.SUBSTANCE: invention relates to computer engineering, information-measurement equipment, automation and industrial electronics. For this purpose a controlled switch of electric circuit elements includes an additional operational amplifier, an inverting input of which is connected to a common lead of the second, the fourth resistors and an inverting input of the available operational amplifier, the latter output is connected to a non-inverting input of the additional operational amplifier, to its output a free lead of the fourth resistor is connected, a lead for the positive supply voltage of the additional operational amplifier is connected to the common lead of the first controlled key and the lead of the existing operational amplifier for connection of the positive supply voltage, a lead for the negative supply voltage of the additional operational amplifier is connected to the common lead of the second controlled key and the lead of the existing operational amplifier for connection of the negative supply voltage.EFFECT: reducing the value of direct resistance and reducing the value of residual voltage of the controlled switch of electric circuit elements.1 cl, 1 dwg

Voltage-to-pulse frequency converter // 2602351
FIELD: measuring equipment.SUBSTANCE: invention relates to measuring equipment and is designed to convert voltage into pulse frequency. Voltage-to-pulse frequency converter comprises an integrator, a switch, a reference voltage source, a comparator, a bias voltage source, a clock pulse generator, a pulse generator, the first input of which is connected to the output of the clock pulse generator, and the second input is connected to the output of the comparator, while the output is connected to the control input of the switch.EFFECT: reduced non-uniformity of output pulses positioning in time and expanded the range of input voltages, in which there is no effect of sticking of output pulses.1 cl, 4 dwg

Logic transducer // 2602331
FIELD: computer engineering.SUBSTANCE: invention relates to computer engineering and can be used to design automation means, functional units of control systems. Device has five data inputs, three tuning inputs, an output, a majority element, an OR element, three AND elements.EFFECT: technical results is reduced hardware costs and faster operation while maintaining functional capabilities of the prototype - implementation of symmetric Boolean functions of five variables at corresponding settings.1 cl, 1 dwg, 1 tbl

Sign-variable signals clipping device // 2601829
FIELD: radio engineering.SUBSTANCE: invention relates to radio engineering and serves for analogue alternating-sign signals converting into rectangular pulses. Device consists of three comparators, three triggers and logical element “AND”. of First comparator output is connected to D-trigger clock input, which D-input is logical unit fixed level input, second comparator output is connected to first and second RS-triggers resetting inputs, first RS-trigger setting input is connected to third comparator output, which direct input is connected to device input, second RS-trigger setting input is connected to “AND” element output. First input of which is connected to first RS-trigger output, and second input is connected with first comparator inverting output, second RS-trigger output is connected with D-trigger resetting input. First comparator inverting input is first threshold voltage input, third comparator inverting input is second threshold voltage input, second comparator direct input is third threshold voltage input.EFFECT: technical result consists in producing undistorted duration pulses in absence of interferences and reduction of pulses distortions in presence of interferences, since device provides absence of hysteresis characteristic.3 cl, 3 dwg

Reconfigurable encoder of bch codes // 2601827
FIELD: information technology.SUBSTANCE: invention relates to digital information (signal) processing and can be used for noiseless encoding of data with variable correcting capacity in various systems of data transmission, reception, and storage. Device includes switches, adjustable registers, Galois field multipliers, shift registers, Galois field adder.EFFECT: technical result is increased efficiency due to low hardware complexity, and increased versatility of application due to adjustment of correcting capacity which allows encoding according to different characteristics of BCH codes (with a variable number of errors, variable data length) during operation.3 cl, 3 dwg, 1 tbl

Resonance pulse generator // 2601510
FIELD: lighting.SUBSTANCE: invention can be used for supply of pulse light sources, spark chambers, lasers and accelerators. This invention consists in the fact that the first multiplication stage comprises a first storage capacitor, first choke, common switch and external storage capacitor, connected in series, one output of the external storage capacitor is connected to a common bus, and the other output is connected to the output of the additional source of charging voltage with a polarity which is opposite to a polarity of the main source of charging voltage.EFFECT: technical result is increasing a maximum of the generator output voltage and power without increasing the number of multiplication stages.1 cl, 2 dwg

Charging device of capacitive energy storage // 2601437
FIELD: physics.SUBSTANCE: invention relates to charging devices of capacitive energy storage units and can be used in high-voltage electrophysical plants of high capacity with high level of accumulated energy. In the charging device of a capacitive energy storage containing an input three-phase bridge rectifier, a LC-filter, a charging converter with dosing capacitors, an output voltage sensor there is an additional capacitor filter, a transistor shunted by a reverse diode and a resistor, a transistor control driver, a RS-trigger, a 2AND-NOT logical element, two comparators, as well as a setting voltage source and a reverse diode voltage sensor.EFFECT: adding these elements allows improving reliability of the charging device and enlarging its functional capabilities.1 cl, 4 dwg

ethod and device for broadband high isolation coupling // 2601262
FIELD: radio engineering.SUBSTANCE: invention relates to radio engineering, particularly to means providing coupling a broadband signal without a galvanic connection. Device comprises a frequency splitter for splitting an input signal into a low frequency partial signal and a high frequency partial signal and a first isolating transformer. Moreover it may include a modulator for modulating the low frequency partial signal with a modulation signal resulting in a modulated low frequency partial signal using a modulation signal, and a second isolating transformer for transforming a signal derived from the modulated low frequency partial signal in a transformed low frequency partial signal. Wherein the modulation signal is a rectangle signal, with a frequency of at least double the highest frequency component of low-frequency partial signal. Device also comprises a demodulator and an adder, providing for summation of high-frequency partial signal and signal from the output of the demodulator. Device also includes sampling and storage unit, low-pass filters, four amplifiers.EFFECT: technical result is high signal-noise ratio and simplified design.13 cl, 2 dwg

Hf generator // 2601260
FIELD: electrical engineering.SUBSTANCE: invention relates to HF generator and comprises a solid-state switch, a horn-type waveguide with the first longitudinal end and the second longitudinal end extending in z-direction, and a cylindrical hollow conductor with the third longitudinal end to extending in z-direction. First cross-section area of the horn-type waveguide arranged in the x-y-plane at the first longitudinal end is less than the second cross section area of horn-type waveguide arranged in the x-y-plane at the second longitudinal end. Second longitudinal end of the horn-type waveguide is arranged at the third longitudinal end of the hollow conductor. Solid-state switch is arranged at the first longitudinal end of the horn-type waveguide to excite electromagnetic oscillation in the horn-type waveguide.EFFECT: proposed device allows avoiding losses of power during transmission of HF power from the first point to the second, at the same time considerably reducing the device footprint area.18 cl, 5 dwg

Harmonic filter for short-wave transmitter // 2601200
FIELD: radio engineering.SUBSTANCE: invention relates to radio engineering and can be used in harmonic filters of power amplifiers of wide-band radio transmitters. Harmonic filter for short-wave transmitter comprises N sub-bands, input and output connectors, N low-pass filters (LPF), arranged in one plane and switched at input and output by means of input and output switching elements, between any two LPF frequency-adjacent sub-bands there is the LPF of other sub-band, frequency-remote from both LPF of this pair, wherein the input switching elements are composed in the form of three-contact switches, movable contact of each is connected to the input of the corresponding LFF and simultaneously with the first fixed contact, and the second fixed contact is connected to the input connecting bus.EFFECT: technical result is higher selectivity and improved matching in the entire operating frequency range of a transmitter.3 cl, 1 dwg

Two-cycle power amplifier // 2601182
FIELD: radio electronics.SUBSTANCE: invention relates to radio electronics and can be used as an amplifier of high power sinusoidal oscillations. In power amplifier with transformer input and output, each arm of which is made on transistor with resistor in emitter, second outputs of resistors in emitters of both arms are connected to common point of the circuit. Collectors are connected to extreme connections of the primary winding of the output transformer, load is connected to its secondary winding. power supply source is connected between middle point of the primary winding of the output transformer and the common point of the circuit. Input signal source is connected to the primary winding of the input transformer. Two additional resistors are included in amplifier circuit. First additional resistor is connected between the first output of the secondary winding of the input transformer and first transistor base, and connection point of first additional resistor and first transistor base is connected to second transistor emitter. Second additional resistor is connected between the second output of the secondary winding of the input transformer and second transistor base, and connection point of second additional resistor and second transistor base is connected to first transistor emitter.EFFECT: separation of functions of limitation of reverse voltage and control of output power.1 cl, 2 dwg

Switch with high insulation // 2601172
FIELD: electricity.SUBSTANCE: invention relates to electronic engineering. Switch with high insulation according to a first version comprises a differential signal generator, output ports, two pairs of MOS transistors switching signal (2-5), and one pair of MOS transistors, compensating signal 7, 6, wherein all MOS transistors have equal channel width. Switch with high insulation according to a second version comprises a differential signal generator, output ports, two pairs of MOS transistors switching signal (2-5), wherein they are made with same channel width, two MOS transistors, compensating signal (6, 7), wherein MOS transistors, switching and compensating signals, are made with different channel width.EFFECT: reduced and suppression of parasitic signal at output, considerable increase in level of insulation of switch in off state while maintaining low losses in on state due to versions of connection of switching and compensating MOS transistors.2 cl, 4 dwg

Voltage-controlled generator with low level of phase noise // 2601170
FIELD: radio engineering.SUBSTANCE: invention relates to radio engineering and electronics and can be used in development of active oscillators, frequency-controlled voltage. Voltage-controlled active oscillator with low level of phase noise comprises a transistor, feedback capacitors, a separating capacitor, parallel oscillating circuit, including an inductance coil, anti-parallel series-connected varicaps, on common electrode to which control voltage E is supplied, second varicap control circuit, amplitude detector and noise negative feedback circuit.EFFECT: technical result is reduction of phase noise of voltage-controlled generator.1 cl, 2 dwg
 
2551290.
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