SU1599788A1 - Functional converter of two voltages - Google Patents

Abstract

The invention relates to electrical measuring equipment and can be used to determine the modulation coefficient. The goal is to simplify the design - it is achieved by introducing into a functional converter containing exponential voltage sources 1-3, null-organs 4-6, 17, keys 7, 18, 19, 20, sources 11, 12 of the reference voltage, adders 16, 17 , 21, 22, new electrical connections between functional elements. 2 Il.

Description

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The invention relates to electrical measuring equipment and can be used to determine the modulation coefficient.

The purpose of the invention is to simplify the device.

The figo shows a block diagram of the device; .fig2 shows timing charts that explain his work

The device contains the first 1, second 2 and third 3 sources of 7 voltages exponentially falling with a constant time, the first 4, the second 5 and the third 6 zero-bodies, the first 7 and the second 8 keys, the first 9 and the second 10 inputs 9 and 10, the first P and the second 12 sources of reference voltages, respectively, input 13 Run, the first 14 and the second 15 outputs, the first 16 and second 17 summers, the fourth zero-body 18, the third 19 and the fourth 20 keys, the third 21 and the fourth 22 adders, as well as the third 23 and fourth 24 outputs 25

The analog input of source 1 is connected to source 11, the Start input is connected to input 13 Start, and the output is connected to the second inputs of zero-organs 4 and 5, the input of key 8 and the subtracting input of the accumulator ZO 16, the Analog input of source 2 is connected to source 11 , the Start input - to the zero-output 4, and the output - to the inputs of keys 7 and 20 and the subtracting input of the accumulator 17 An; aogo-5 input source 3 is connected to the input 10 of the device, the Start input - to the output of the zero-authority 4 and the output is to the first inputs of the zero-bodies 6 and 18. The first input of the zero-body 4 is connected to 40

input 9 of the device and the summing input of the adder 16 The first input of the zero-organ 5 is connected to the input 10 of the device, and the output is connected to the control input of the key 7 and the input Stop the source 45, The output of the key 7 is connected to the output 14 of the device 6 is connected to the source 12, and the output is connected to the control input of the key

cha 8, the output of which is connected to the output 50 of the device 15. The output of the adder 16 is connected to the second input of the null organ 18, the output of which is connected to the equal inputs of the keys 19 and 20. The summing input of the adder 17 is connected to the source 11, and The output of the adder 17 is connected to the output of the key 19. The output of the key 19 is connected to the subtractive input of the adder 21 and the summing input of the adder 22, the output of the key 20 is connected to the summing input of the adder 21 and the subtractive input of the adder 22, the outputs of the adder 21 and 22 to the outputs 23 and 24 devices respectively

The device works as follows

At the command received at the moment tj at the input of the Start of source 1 from the external input of the Start, at its output an exponentially falling from a constant level is formed and, with a constant C, voltage U, (t),

The voltage J (t) goes to the second inputs of the zero-organs 4 and 5, the first inputs of which are supplied with the input voltages Ug., And U p, r, respectively. Let day certainty

Vi Vzv

When the condition U, (t.) "Ugjf is fulfilled, at the moment of time t d, at the output of the null organ 4, a signal is formed, which enters the input of the source 2, at the output of which a second exponential-decaying voltage C of the Ugj level is formed U32. (T). Key 7 is closed

If the condition is Ug, (t-). at time t, at the output of the null organ 5, a signal is generated, which enters the input Stop of the source 2 and the control input of the key 7,

At the same time, at the output 14 of the device at the time t5, a signal Ug ((:) is formed, which is proportional to the ratio of the -degree input voltage to the greater and g ,.

At the command that arrives at time t on. input The start of the source 3 from the output of the zero-organ 4, at the output of the source 3 a third exponentially falling from the level U.v is formed

 D X “Cj

(with Ugy (.: Ua) (,) with a constant time voltage), which arrives at the first input of the null organ 6, to the second input of which the voltage is applied "(,,).

When the condition Zg, (t) Uf53 is fulfilled at time tj, at the output of nullgan 6, a signal is generated; the control input of the key 8 is opened to open it. At the output 15 of the device at time t, a signal Ug is generated, (tj) which is proportional to the ratio of the larger input aperture Ug, to the smaller one. At the moment of time t ", the first auxiliary voltage is formed at the output of the dispenser 16) ,,, (1

and at the output of the adder 1 7 is the auxiliary voltage Uj (t) and ,, ().

The voltages U (t) and) are fed to the inputs of the zero-body 18

When the conditions U (t) and .., (t) are fulfilled at the moment t, a signal is generated at the output of the zero organ 18, which goes to the control inputs of the keys 19 and 20,

The voltage U.Ct) from the output of the key 1 goes to the subtracting input of the adder 21 and the summing input of the adder 22, and the voltage U52, (t,) from the output of the key 10 goes to the summing input of the adder 21 and subtracts to the input of the adder 22.

At the same time, at the output 23, a voltage is generated.

25

thirty

tt gt1 Ct-tt ft-Tl in 1 -CVHG U (t) -Uo, Uu,., + UBr, 2

proportional to the quotient of dividing the difference between the larger and smaller measured voltages to their sum, and at the output 24 a voltage is formed

and B1T (t-Wn ft WM -gy-a fexj 5 - 1- - 5,1- t - 1 TG Tfr

it. E 1 gi eif.i ftK.z.

proportional to the quotient of dividing the difference between smaller and larger measured voltages to their sum

Claims (1)

Invention Formula Functional converter of two voltages, containing the first source of exponential voltage, the analog input of which is connected to the first source of the reference voltage, input Start-up to the input of the Functional converter, and the output to the second inputs of the first and second zero-organs, analog input of the second 45 The exponential voltage source is connected to the first reference voltage source, the Start input is connected to the output of the first null organ, and the VPSD through the first key is connected to the first output 50 of the functional converter, The analog input of the third exponential voltage source is connected to the second input of the functional terminal 35 40 1599788 d five 0 five 0 50 five 0  O-input of the zero-organ, the second input of which is connected to the second voltage source voltage of the reference voltage, and the output to the control input of the second key, the input of which is connected to the output of the first source of exponential voltage, while the output of the second to. Shochs is the second output of the function converter, the first input of the second zero-body is connected to the second input of the function converter, and the output is connected to the control input of the first key, the first input of the first zero-body is connected to the first input of the function converter. The first, summing input of the first adder is connected to the first functional converter, the subtracting input is connected to the output of the first exponential voltage source, and the output is connected to the second input of the fourth zero-organ, the first input of the fourth zero-organ is connected to the output of the third exponential voltage source, output the fourth zero-organ is connected to the control input of the third key, the fourth key input is connected to the output of the second source, the exponential voltage, the outputs of the third and fourth adders are The third and fourth outputs of the functional converter, respectively, characterized in that, in order to simplify the functional converter, the summing input of the second adder is connected to the output of the first voltage source, the subtracting input — to the output of the second exponential voltage source, the output — to the third key input , the control input of the fourth key is connected to the output of the fourth zero-body, the output of the third key is connected to the subtractive input of the third and summing input of the fourth sum The fourth key output is connected to sum 1–1 of the third input and the subtractive input of the fourth adders, the stop inputs of the first and third sources of the Exponential voltage are connected to the output of the fourth zero-organ, and the input Stop of the second source of exponential voltage the creator, the Start-up input - with the output is the -cooler with the output of the second zero-org-first zero-organ, and the output is with the perNVS and 01 and,. four- - & xj  4L , and. LL, -MSi (.2 x /% but 02 Compiled by L. Stroykova Editor L Pcholinska Tehred M. Khodanych Proofreader O. Tsiple Order 3140 Circulation 563 VNIIL of the State Committee on Inventions and Discoveries at the State Committee on Science and Technology CQCP 113035, Moscow, Zh-35, 4/5 Raushsk nab. .2 Popdisnoe