SU595870A1 - Frequency distortion estimating device - Google Patents

Description

one

The invention relates to radio engineering and can be used to estimate frequency distortions and tune blocks of a synchronous receiver in information transfer mode.

A device is known for the frequency characteristics of objects according to a test harmonic siala containing adjustable attenuators and a phase shifter of a test signal 1.

However, the known device occupies the object frequency band at the time of measurement by the test signal and has a low measurement speed due to the time-sequential procedure for removing the set of ordinates of frequency characteristics.

The closest technical solution to this invention is a device for estimating frequency distortions, comprising a serially connected clock multiplier, a one-shot with adjustable pulse width and a distributor running on a frequency divider € output matrix, the clock multiplier input connected to the first output of the receiver, the second the output of which is connected through the coincidence circuit to the first input of the trigger, as well as the extrapolators of the after-effect and the extrapolators of the action, azhdy consisting of series-connected measuring indicator key, latch voltage sample values and a reset key, wherein the outputs extrapolation tori aftereffect and extrapolation tori preddeystvi via respective integrators and a common switch connected to the indicator and input - to the outputs of the respective bits of the distributor 2.

However, the known device has an measuring speed due to the increased duration of the period of the distributor cycle.

The purpose of the invention is to increase the speed. For this purpose, a device for evaluating frequency distortions, comprising a serially connected clock frequency multiplier, a one-shot with an adjustable pulse width and a distributor, is made; on a frequency divider with a selectable matrix, and the input of the multiplier of the clock frequency is connected to the first output of the receiver, the second output of which is connected through the coincidence circuit to the first input of the trigger, as well as the extrapolators of the after-effects and the extrapolators of the pre-action, each of KOTOjibix consists of connected sample key, voltage clamp of selective values and reset key, while the outputs of the extrapolators of the aftereffect and the prefetch extrapolators through the respective integrators and common switch connected to the indicator, and inputs to the outputs of the corresponding bits of the distributor, sequentially joining the node calculating fluctuations of signal amplitudes, the extremolator of the original count and integrator, connected between the third output of the receiver and the common switch, and the integrator connected to the common switch, connected to the integrator, connected between the third output of the receiver and the common switch, connected to the integrator, connected between the third output of the receiver and the common switch, connected to the integrator, connected between the third output of the receiver and the common switch, connected to the integrator, connected between the third output of the receiver and the common switch, connected to the integrator, connected between the third output of the receiver and the common switch, connected to the integrator, connected between the third output of the receiver and the common switch, are connected to the integrator, connected between the third output of the receiver and the common switch, and the integrator connected to the switch, connected to the integrator, connected between the third output of the receiver and the common switch, and the integrator connected between the third output of the receiver and the common switch, and the integrator connected to the common switch, connected between the third output of the receiver and the common switch, connected to the transmitter. There is a variable 1C, 5KL1Pieces between the thrunger output and extranolators are not real, and a block of pre-key keys, while the trngger output is connected to the control the inputs of the relative coding node of the nerve neremodezhitel, the output of which through ekhetranol tops of the aftermath is connected to the inputs of the additional key switch, the output of which is connected to the signal input of the second 1E1) capacitor, and the output of the distributor and the keys to the second input of the 1M circuit is the same; codiojoiaia; . and the outputs of the donor bits are to the corresponding inputs of the extranol 4jpa of the main reference n of the block of the donor net;

A drawing of the image is a structural electrical circuit of the proposed device.

Us1poiicTBo for estimating the frequency distortions HHii, contains a serially connected 1 clock multiplier, odiozl 11 oscillator with adjustable pulse width, and distributed the gels 3, performed on the output matrix, with the clock multiplier 1 input connected to the nervous output of the output matrix, and connected to the outlet, it was connected to an output matrix with an output matrix, and it was connected to the mains output by connecting to the output matrix with the output matrix, which was connected to the outlet, and connected to the output matrix with the output matrix, and connected to the output of the output matrix, connected to the output matrix with the output matrix, and connected to the nervous output of the output matrix, and connected to the nervous output of the output matrix, and connected to the output of the output matrix, connected to the output voltage of the output matrix, connected to the output voltage of the output matrix, connected to the output voltage of the output matrix, connected to the output voltage which through the system of 5 soviadeni is connected to the nerve input of the thrunger 6, as well as the extraors of the sequence 7, and extraordinarily, the tori of 8 nreddeyatvi, each of which are coeTOirr from consecutively connected counts About key 9, fxor 10, voltage BJ; i6op04Hbix value ii of the key AND reset, irn: -r; () m output, - extrapolators 7 and next r; I; 1) and ecetraioltors 8, the preference corresponds to integrated integrators 12 and switchboard 13 are connected to the indicator 14, and g, the moves to the outputs of the corresponding bits of the distributor 3, as well as successively connected node 15, computed fluctuations of signals, the first non-multiplier 16, the extrander 17 of the main reference number 18, connected between the third output of the terminal 4 and a common switch 13, consistently e ennye assembly 19 otnosntelnym kodnrovaii n second ieremiozhntel 20 included between the output of the flip-flop 6 and 8 ekstrapolitorami preddeystvi, n donolnitelnyh key unit 21, the PSG: this trnggera EXIT 6 is connected to the control inputs of the unit 19 and coding otnoenteliogo Hierve peremnozhntel 16, which vyho.d through eketranol tori 7 but the connection is connected to the input of the block 21 additional1) of the key 11, the output of which is connected to the signal

the input of the second coupler 20, the output of the distributor 3 is connected to the second inputs of circuit 5) 1H, trngger 6 and node 19 is coded, and the outputs of the full-bit bits are connected to the e-mail and 1M inputs of the extratiolator 17 of the main reference on unit 21 of additional keys. The device works in the following way. Ma entrance nrnemnka 4 nostunet from the channel

ev zi eluchia nosledovelovlenost; multilevel information signals. The detected signal is not placed at the input of the evil 15 calculation, to the input of which the detected and retouched signals are pointed out. The trigger 6 fixes the circuit with the help of the circuit 5, the coincidence of the signal's frequency, and which cope with the interrupt of the operation cycle of the distributor 3. The input of the latter is passed through multiply1; tel1, 1n one-shot 2 clock pulses. The signals from the outputs correspond to 5 bits of the distributor 3 and are used for reset keys 11.

Depending on the values of the output signals of trigger 6, which characterize the zero-zero of the signal, that at the moment of the appearance of a pulse at the goolev output p; as11) 5, separator 3, it records at the corresponding time points for each detector

10 e nelyunhyu opechetnyh vein; 9 Investigations of PEMs or noninverts of the teachings of the hierarch: 111 is the inhabitant of 16 values of ф; The designations of the signals e of the output node 15 of the calculation. Integrator voltages 12 nronorpion

the values of the nosledeynn single n.mnu.tya at the corresponding points. The voltage across the integrator 18 is proportional to the value of the multiplicative interference.

It is not the process of resetting the voltage by the detector 10 ecetranol tori 7 aftereffects at the appropriate moments in 11 amentiones from the beginning of each cycle H) about 1 dubbing from the plugs1 in a modified previous output signals of the antitranchors 7

no action on the latches 10. At the pulse of one of the outputs of the corresponding bits of the distributor 3, aznosein occurs in the switching time of one of the outputs of the lock 10 of the extranretors 7 on the second through 10) to the inputs of the latches 10 ;)

With the help of the node 19 relative coding, a comparison of the nuances occurs

each bunker of the preceding i subsequent signals, whose reception is fixed at the beginning of each cycle of operation of the distributor 3. Using the operation of the nerve multiplier 16 by the output of the node 19 of the corresponding coding, it is performed by the nerve neural multiplexer 16 when the amplitude of the signals from the signals of the amplifiers of the signals and fixes 10 and multiplied by the fixes of the fixes 10 and the multiples of the fixes of the fixes and the fixings of the snapshots 16 The tori 8 of the specialties of the sngnal are used to zero the pulse, which is received at the beginning of the subsequent cycle of operation of the distributor 3.

The voltages at the outputs of the integrators 12, connected by their inputs to the extrapolators 8 of the pre-action, over time become proportional to the values of the ordinates of the pre-action of a single pulse at cooTBCTCTyonu-ix points.

Indication of the measured values of HFs monoliths with the help of a common switch through 13 to the outputs of the integrators 12 and 18 of the indicator 14.

The proposed technical solution increases the speed of the device.

Claims (2)

1. Authors evdetelet |; About the USSR L 434330, cl. G 01R 23/16, 1972. 2. Autorekoy certificate of the USSR №327618, cl. H 04B 3/04, 1969.