SU399821A1 - MEASURING DURATION OF PULSES WAITING FOR WAITING PULSE GENERATORS - Google Patents

Description

one

The invention of plots is to find application in radio metering technology for Ieme: rhenium duration zhpulsav, gelled by waiting generators 1I, and that: kzhe to measure the delay time and voltages of lines delays, triggers, etc., triggers, etc.

Known measures of the duration of the impulses of waiting imiulone generators, containing an electronic counter with a generator of the reference frequency, are not sufficiently accurate.

To increase the measurement accuracy into the proposed device (Introduced; co: m mutator and additionally two waiting generators connected in series, giving the output of the second: preload generator connected to the counter inputs, the measured generator and the 01M1 switch, the second input to the O: M. switch connected to The generator is measured by a generator, and the control 1 OUTPUT is with a counter.

The drawing shows a block diagram of the proposed meter.

The meter consists of - from the waiting generators 1 and 2,; Commissator 3 "of the electronic counter 4 with the generator of the reference frequency (not shown in the drawing). The input of the measured waiting impulse generator 5 is connected 1K to the output of the waiting generator 2, and the output iK to one of: input B of the mutator 3.

The job of the proposed meter consists of two TaiKTOB.

In iRaV clock cycle: a commutator 3 connects the output of the emulsifier generator 5 and the input of the generator 1. As a result, the waiting generators 1 and 2 and the measured waiting generator 5 represent the generator, the oscillations of which

T Ti + T2 + T5,

ten

where TI is the pulse duration

at the exit

waiting for generator 1; That is the pulse duration at the output of the waiting generator 2;

TS - duration of im-null

or the delay time of the measured generator 5.

The choice of the missed parameter is determined by the fact that the waiting generator 1 is triggered by the front or rear front of a pulse generated by the generator 5.

The corresponding phase selection is selected by inverting the co-mm-switch 3. The period T can be adjusted, by changing TI or Ta, and thus it is always possible to improve the specified pulse frequency.

Electrode | Counter 4 sums the oscillation of the reference frequency generator (not shown in the drawing) for a time multiple of T period.

In iBTOipOM raiKxe | KOM; mutato: p 3 disconnects the OUT of the generator 5, and the input of the generator 1 and connects the output of 1 generator | 2 to the input of teHcparoipa 1. In (as a result, the generators 1 and 2 are a generator with a period of oscillations T Ti + T2.

TaiKHM way, the presence of two waiting generators 1 and 2 allows to obtain the generation mode.

.me1N | BUT, the electronic counter 4 is reversed and the oscillation of the generator oscillates the reference frequency for 1 time, a multiple of T.

The multiplicity is determined depending on the required accuracy.

Subject and d on and e and

A measuring instrument for the duration of i-pulses of waiting pulse generators, containing

An electronic counter with a generator; a reference frequency, characterized in that, in order to increase the measurement accuracy, a commutator and an additional two oscillators connected in series are entered, and the output of the standby generator BTOpoiFO is connected to the counter inputs measured generator "1kom1 switch, the second input of the switch is connected to (the output of the EM | Ogo generator, and the control output - with a counter.