SU1322220A1 - Time scale converter - Google Patents

Abstract

The invention can be used in phase meters. The purpose of the invention is to enhance the functionality and increase speed. The converter contains a constant voltage source 1, a shaping device 2, an integrator summing device 3, a discriminator 4, a reset unit 5 and electronic keys 6. To achieve this goal, 2 (N-1) electronic keys are entered into the device and a specific circuit device 2. 1 s, p. f-ly, 5 ill. 00 IND ke IND to

Description

a resistor 13, a capacitor 14, an inverter 15 and an electronic switch 16.

In the time diagrams (Fig. 5), U, U, ..., U are the voltages of the processed sequences of video pulses at the inputs of the forming unit 2; C, U, ..., U - voltage at the inputs of the integrator 3; E - for example, a spreader 3; U, is the voltage to trigger the discriminator A; Ujj is the voltage at the output 15 of the riminator 4; t. , t, t

4h

20

2 iNtime of arrival of fronts of video pulses of processed sequences; ty is the time of arrival of the leading edge of the pulse at the output of the discriminator 4.

The time scale converter works as follows.

The processors of the electronic keys 6 are fed to the inputs of the shaping device 2, the first inputs of which are combined and connected to the source code 1 of the fixed data. The invention relates to a pulse technique and can be used in phase meters.

The aim of the invention is to enhance the functionality and speed.

FIG. 1 shows a block diagram of a time scale converter; in fig. 2 shows an embodiment of the forming device; in fig. 3 - fO of a constant source 1, for example, a variant of the implementation of an integro-matching; Uj. - voltage at the output of the integrated device; in fig. 4 - diagram of the reset unit; in fig. 5 - time diagrams of operation of the time scale converter.

The time scale converter (Fig. 1) contains a constant voltage source 1, a shaping device 2, an integrator 3, a discriminator 4, a reset unit 5, 2N electronic keys 6, and the shaping device 2 contains N inputs that are channel transducer inputs, and 2N outputs, which are connected with the efficiency of video pulses U, U, ..., equalizing the inputs of the corresponding U negative polarity. With

the arrival of the first video impulse U to the input of the installation of a logical 1 S RS-trigger 7 of the corresponding cell

The outputs of the electronic keys 6 30 of the forming device 2 are at the moment connected to the corresponding 2N inputs of the integrating sum 3, the output of which is connected to the input of the discriminator 4, the output of which is connected to the input of the reset unit 5, the first 35 of the electronic key 6. Last - the left and second outputs of which connect their remaining inputs connected to the corresponding inputs of the integrator 3, the third reset unit 5 is connected to the corresponding input of the forming positive terminal of the video pulse U swarm 2. at the output of the element And 8 of this cell

The forming device 2 (FIG. 2) contains N cells, in each of which the S input of the RS flip-flop 7 is connected to the corresponding input of the forming device 2 and the first input of the And 8 element, the second input of which is connected to the forward output of the RS flip-flop 7, which is also the first output of the shaping device 2, the second output of the corresponding electronic xo; ioM is the output of the element AND 8, the key 6, which its own and all the inputs of the RS flip-flop 7 and element 8 form the 2N outputs of the forming devices 2.

The integrating device 3 5 —The remaining cells of the forming unit (FIG. 3) contain a block 9 of 2N resistive device 2 upon receipt of video simulators and a capacitor 10.

The reset unit 5 (Fig. 4) contains the first 11 and second 12 elements NAND,

time t, RStrigger 7 is triggered, and at its output Q a voltage of logical 1 occurs, which is fed to the control input of the corresponding

the source of constant 1 voltage to the corresponding input of the integrating device 3. On arrival, a voltage of logical 1 arises, since at its inputs there are two voltages applied, corresponding to a logical one from the input sequence, and the other from RS-trigger 7, which is triggered earlier. The voltage of the logic 1 from the output of the element And 8 is applied to the control inputs, connects the source 1 of the constant voltage to the corresponding input of the integrating device and, and ..., and affects the inputs of the integrating integrating device 3 in the same way.

a resistor 13, a capacitor 14, an inverter 15 and an electronic switch 16.

In the time diagrams (Fig. 5), U, U, ..., U are the voltages of the processed sequences of video pulses at the inputs of the forming unit 2; C, U, ..., U - voltage at the inputs of the integrator 3; E is the voltage source of a constant 1 voltage; Uj. - the output voltage of the

ro-summing device 3; U, is the voltage to trigger the discriminator A; Ujj is the voltage at the output of the discriminator 4; t. , t, t

4h

2 iNtime of arrival of fronts of video pulses of processed sequences; ty is the time of arrival of the leading edge of the pulse at the output of the discriminator 4.

The time scale converter works as follows.

The processed sequence of the source of constant 1 voltage is supplied to the inputs of the forming device 2; Uj. - the output voltage of the

of the video impulses U, U, ..., U of negative polarity. With

of the forming device 2 at the moment of the electronic key 6. The latter, through its remaining inputs, connects the positive front of the video pulse U at the output of the element AND 8 of this cell

time t, RStrigger 7 is triggered, and at its output Q a voltage of logical 1 occurs, which is fed to the control input of the corresponding

of the forming device 2 at the moment of the electronic key 6. The latter, through its remaining inputs, connects the positive front of the video pulse U at the output of the element AND 8 of this cell

the source of a constant 1 voltage to the corresponding input of the integrator 3. At the arrival of the input of the corresponding electronic key 6, which is its own

voltage of logical 1 arises, since at its inputs there are two voltages applied, corresponding to logical one from the input sequence, and the other from the output of RS-trigger 7, which is triggered earlier. The voltage of the logical 1 from the output of the element And 8 is applied to the control input of the corresponding electronic key 6, which, with its rest

inputs connects a constant voltage source 1 to the corresponding input of the integrating device - the remaining cells of the forming device 2 upon receipt of video

pulses and, and ..., and the inputs of the integrator 3 are affected in a similar way.

Claims (2)

1. A time scale converter containing a shaping device, the first and second outputs of which are connected to the control inputs of the first and second electronic switches, the second inputs of which are connected to a constant voltage source, and connected to the first and second inputs - summing device whose output is connected to the input of the discriminator, the output of which is connected to the input of the reset unit, the first and second outputs of which are connected to the first and second reset inputs of the integrating device, the third you od reset unit connected to yc tanovochnym input shaping device, characterized in that, for the purpose of expansion of functional capabilities and increase the by- logical ones. These are, for example, 25 actions, 2 (N-1) are entered into it. And directly through the elements And 8 are supplied to the control inputs of the keys 6f which, by their outputs, disconnect the source 1 of the constant voltage from the integrating summing by means of the 30 outputs of the forming 3. After the end of the positive impulse at the output of the element IS-NOT 11 of the reset unit 5, the time-scale converter is ready for processing a new batch of video pulses of the input j sequences. In the proposed converter, the transformed time phase of the output signal t depends on the phases of the input video pulses of the processed 40 sequences and the constant times with which each front is processed. Giving different values to constant time t, С,. . . , t, tj, which depend on the nominal values of 45 resistances of the resistor unit 9 and the capacitor nominal of the integrator 3, each front of the video pulses of the input sequence can be processed with its own weight. I Formula of invention 1. A time scale converter containing a shaping device, the first and second outputs of which are connected to the control inputs of the first and second electronic switches, the second inputs of which are connected to a constant voltage source, and you are connected to the first and second inputs of the integrator - the output of which is connected to the input of the discriminator, the output of which is connected to the input of the reset unit, the first and second outputs of which are connected to the first and second reset inputs. integrating device, the third output of the reset unit is connected to the installation input of the forming device, characterized in that, in order to extend the functionality and increase the electronic switches, the inputs of which are connected to a constant voltage source, the control inputs 2 (N-1) of electronic switches are connected to the corresponding outputs of the forming devices, and outputs 2 (N-1) of electronic keys are connected to the corresponding 2 (N-1) inputs of the integrating device. 2. The converter according to claim 1, characterized in that the forming device consists of N RS flip-flops and N elements I, the first inputs of which are connected to the corresponding input of the forming device and S-inputs of the RS flip-flops, the forward outputs of which are connected to the second inputs And elements whose output and direct output of the RS flip-flops are the outputs of the shaping device, and the R inputs of the RS-triggers of the shaping device are combined and connected to the reset input of the shaping device. Zg . II YU FIG. PuaV . Fi.5 Compiled by V. Kotov Editor O. Golovach Tehred L. Serdyukova Order 2861 / A2 Circulation 370Subscription VNIIPI USSR State Committee for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5   .. ". I .. ,,. V. . production and printing company, Uzhgorod, st. Project, 4 Proofreader A. T sko