SU1615866A2 - Shaper of single pulses - Google Patents

Abstract

The invention relates to a pulse technique and can be used in automation, computing, electronic equipment for various purposes. The purpose of the invention is to expand the scope of application by allowing the control signal forming systems to have a predetermined duration, counted from the moment of arrival of each input pulse. Regardless of the phase of operation of block 1 of the release delay for each input pulse, an additional relay 4 is triggered and the capacitor 16 of integrator 10 is reset. In this case, the output pulse has a falling edge duration equal to the delay of the release delay block 1 from the moment of arrival of the last input pulse. 1 il.

Description

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The invention relates to a pulse technique, can be used in automation, computing, electronic equipment for various purposes and is an improvement of the device according to the author. sz. No. 1465965.

The purpose of the invention is to expand the field of application by allowing the control signal generation systems of a given duration, counted from the moment of arrival of each input pulse.

The drawing shows a schematic diagram of a single pulse former.

The driver contains a block 1 release delay, the first relay 2, the second relay 3, the additional relay 4, the opening contacts 5 and 6 of the first 2 and second 3 relays, the closing contacts 7 and 8, the second 3 and the first 2 relays, the closing relay 9 additional relay 4; in block 1, the release delay-integrator 10, transistors 11 and 12, resistive dividers 13 and 14 of the voltage: in the integrator 10, a resistor 15 and a capacitor 16.

The winding terminals of the auxiliary relay 4 and the first winding of the second relay 3 are connected to the input terminals of the imaging unit, the terminals of the second winding of the second relay 3 are connected respectively to the first power bus and through the closing contact 8 of the first relay 2 to the second power bus, the input of the release 1 unit through the break contact 6 of the second relay 3 and the closing contact 9 of the additional relay 4 is connected to the first power supply bus and the first power output of the release delay unit 1, the second power supply of which is connected via the closing contact 7 of the second relay 3 oedinen with the second power bus and through the break contact of the first switch 5 to the output terminal 2 shaper, 1 delay unit output through releasing the winding of the first relay 2 is connected to the first power bus,

Shaper works as follows.

In the initial state, the driver is de-energized and there is no voltage at the output. When the input pulse arrives, relays 3 and 4 are triggered and contacts 6, 7 and 9 are switched, while the second power output of block 1 of the release delay and the output is energized by the disconnecting contact 5 of relay 2 and the supply voltage, transistors 11 and 12 are prohibited, the winding of the relay 2 de-energized. After the end of the input pulse, the closing contact 9 returns to the initial state, the capacitor 16 starts charging with a constant time

Mr. R 15-C 16,

where R15 is the resistance of the resistor 15; C16 is the capacitance of capacitor 16. When the voltage on the capacitor 16 reaches the threshold voltage. Because of the resistive voltage divider 13 at the source of the transistor 11, the transistor 11 opens and lowers the potential at the base of the transistor 12, which also opens and connects the winding 2 to the power supply.

Relay 2 triggers and switches the opening 5 and the closing 8 contacts, in this case the supply voltage is removed from the output and fed to the second winding of the relay 3,

which returns to the initial state and, therefore, removes the supply voltage from the second power supply terminal of the release delay unit 1, discharges the capacitor 16 and de-energizes the winding of the relay 2, contacts 5 and 8 of which also return to the initial position. If the next input pulse arrives before the opening of transistor 11, then relay 3 does not change its state, and relay 4 operates, switches the closing contact 9 and discharges capacitor 16. After the action of the repeated input pulse has passed, relay 4 releases, its closing contact 9 returns to its original state, the capacitor 16 starts to charge, the process of forming the output pulse begins again and the processes described above are repeated.

Claims (1)

In this way, the formation of the output pulse of a given duration is ensured when the next input pulse is applied in any phase of the output pulse formation. Invention Formula Single pulse shaper No. 1465965, characterized in that, in order to broaden the scope of application by allowing the use in formation systems control signal of a given duration, counted from the moment of arrival of each input pulse, an additional relay is inserted into it, the winding terminals of which are connected to the input terminals a driver, and a make contact is connected between the input of the release delay unit and the first power bus.