SU1228238A1 - Pulse shaper - Google Patents

Abstract

The invention can be used to generate pulses with adjustable parameters. The purpose of the fig. V reteni - formation of trapezoidal voltage while ensuring adjustment of the parameters of the generated pulse. The device contains linear and variable voltage driver G and 6, triggers 2 and 7, key elements 3 and 5, load 4, delay element 8, and input bus 9. The use of triggers 2 and 7 and key elements 3 and 5 allows the pulse formation scheme with adjustable front and fall to be used as an input signal of pulses of constant duration, which allows extending the range of front and fall control with a constant duration of the input pulse. 2 Il. S cl to y OS to oo oo sh. Fig. /

Description

The invention relates to a pulse technique and can be used, for example, to generate pulses with adjustable parameters.

The purpose of the invention is the formation of trapezoidal voltage at the same time ensuring the adjustment of the parameters of the generated pulse,

FIG. I shows the structural electrical circuit diagram of the device in FIG. 2 - plots showing his work.

The device contains the first shaper 1 linearly varying voltage, the input of which is connected to the first output of the first trigger 2, the output to the input of the first key element 3, the output of which is connected to the load 4 and the output of the second key element 5, the input of which is connected to the output of the second body 6 linearly varying voltage, and a control input with the second output of the first trigger 2, the second trigger 7, delay element 8, the output of which is connected to the first input of the second trigger 7, and the input connected to the bus -9 input, first in the first trigger 2, the second input of the second trigger 7, the first output of which is connected to the input of the second generator 6 of the linearly varying voltage, the second output to the control input of the first key element 3, the second input of the first trigger 2,

The pulse shaper operates as follows.

In the initial position, in the absence of an input pulse, the triggers 2 and 7 are in the zero state, the signals at the outputs of the formers 1 and 6 are absent, the signal at the load 4 is zero. Upon arrival of the input pulse (Fig. 2a), trigger 2 switches to state Q (Fig. 26). The trigger 7 is switched by a pulse delayed by an adjustable delay line by an interval t. (Fig.28), equal to the required duration of the formed pulse (Fig. 2). The pulses from the output Qj of the trigger 7 (Fig. 2e) switch the trigger .2 to the zero state. The pulse formed at the output O (Fig. 2b) of trigger 2 is fed to the driver, where the leading edge tq of the trapezoidal pulse is formed (Fig. 2). The pulse from the output of the driver I is fed to the key element 828238 2

ment 3, which is controlled by the signal from the output Qj of the trigger 7, when 02, the key element 5 is open and the signal enters the load 4 (Fig. 2i, e).

The pulse from the output Q (Fig. 2) of the trigger 7 is fed to the input of the driver 6, where the formation of the trailing edge t of the trapezoidal ° pulse occurs (Fig. 2e) .. The pulse from the output of the driver 6 is fed to the key element 5, which is controlled by the output signal 0 (trigger 2, with 0 (key element 5 is open and the signal enters the load 4

(Fig. 2-2, 3, ti). In load 4, an output keystone pulse is generated.

The use of two triggers and two keys allows the use in a pulse-shaping circuit with adjustable front and decay as an input signal of constant duration pulses, which expands the front and decay limits for a constant input pulse duration.

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Claims (1)

Invention Formula 0 0 A pulse shaper containing the first shaper of a linearly varying voltage, the input of which is connected to the first output of the first trigger, the output — to the input of the first key element, the output of which is connected to the load and the output of the second key element, whose input is connected to the output of the second shaper voltage, and the control input - with the first output of the first trigger, characterized in that, in order to enable the formation of keystone voltage and control durations vertices and steepness of the fronts of the generated pulses, a second trigger is inserted into it, a delay element, the output KO i Oporo is connected to the first input of the second trigger, and the input is connected to the input bus, the first input of the first trigger and the second input of the second trigger, the first output of which is connected to the input the second forma- tion –5 l of linearly varying voltage, the second output with the control input of the first key element and the second input of the first trigger. five 0 Editor M.Tovtin Compiled by A. Gorbachev Tehred G.Gerber Proofreader V.Sinitska 2295/56 Circulation 816 Subscription VNIIPI USSR State Committee for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5 Production and printing company, Uzhgorod, st. Project, 4 phage. 2