SU588621A2 - Single pulse shaper - Google Patents

Description

(54) DEVICE FOR THE FORMATION OF A SINGLE PULSE

one

The invention relates to radio engineering and can be used in automation and computer devices.

According to the main author. St. No. 285047, a device for generating a single pulse is known, comprising a memory trigger, an output pulse formation trigger, and an input trigger. However, this device has a narrow range of control emulsions.

The purpose of the invention is to expand the range of control pulse durations. For this, a device for generating a single pulse containing a memory trigger, an output pulse shaping trigger and an input trigger between the second single input of the output pulse shaping trigger and the device input for control signals is an OR element, the second input of which is connected to a single memory trigger output .

The drawing shows a structural electrical circuit of the device.

The device for forming a single pulse contains the trigger 1 of the memory, the trigger 2 forming the output pulse and the input trigger 3. The device also includes the element OR 4, which is connected between the second single input of the trigger 2 forming the output pulse and the input 5 of the device

for control signals. The second input of the OR 4 element is connected to the single output of the trigger 1 of the memory.

Device to form a single

pulse works as follows.

At the initial moment of time, in the absence of a control pulse at input 5 and the zero input of input trigger 3 and the first single input of trigger 2, synchronizing pulses from input 6 are supplied. Since the input 5 has zero potential coming from it to the second single input of trigger 3, zero trigger input 1 and the first input of the element OR 4, the trigger 1 is in the zero state, triggers 2 and 3 are in the one state, and the output of the element OR 4 has a zero potential.

With the arrival of a control pulse at input 5, coming from it to the second single input of trigger 3, zero input of trigger 1 and the first input of the OR 4 element, trigger 3 goes to the zero state and allows the transition of the trigger 2 to the left state when the first arrives (after supplying the control pulse) of the synchronizing emulsion. The potential for the output from output 7 converts trigger 1 to a single state, and zero potential from trigger 1 triggers trigger 1 to a single state.

the output 7 of the device is formed by the front

front of the output pulse. If at this moment the control impulse disappears at the input 5, then the triggers 2, 3 of its state do not change, since one of the single inputs of the trigger 3 has a zero potential, and both the single inputs of the trigger 2 have single potentials. Single potentials are also present at the zero and single inputs of trigger 1 and at the output of the element OR 4.

At the end of the synchronizing pulse at input 6, trigger 2 returns to one state, trigger 1 to zero, and zero potential appears at the output of the OR 4 element, i.e. the circuit returns to IF

)

good condition. At the same time, at the output 7, the leading edge of the output pulse is formed, the duration of which is determined by the duration of the synchronizing pulse.

Claims (1)

Invention Formula A device for forming a single pulse, according to avt. St. No. 285047, characterized in that, in order to expand the range of control pulse durations, an OR element is entered between the second single input of the output pulse and the device input for the control signals and the second input of which is connected to the single output of the memory trigger.