Device for generating pulses of high-precision programmable dura

Details Device for generating pulses of high-precision programmable dura Device for generating pulses of high-precision programmable dura

1999-03-05

2000-10-17

Lam, Tuan T.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Output pulses having opposite polarities

327172, H03K 317

Patent

active

061337714

ABSTRACT:
A device generates pulses of high-precision with programmable duration. The device includes first, second and third pulse generator circuits. The first pulse generator circuit receives at an input a pulse generation command signal, and provides at an output a first pulse for loading the contents of a register in a counter. The second pulse generator circuit is triggered by the first pulse provided by the first pulse generator circuit. The third pulse generator circuit is triggered by a second pulse provided by the second pulse generator circuit, and generates a third pulse to restart the second pulse generator circuit. The second pulse provided by the second pulse generator circuit forms a clock signal for the counter to produce a decrement in the counter. The output signal from the counter is the pulsed signal to be generated. The duration of the pulsed signal is determined by the content of the counter.

REFERENCES:
patent: 3713026 (1973-01-01), Kubo
patent: 3728635 (1973-04-01), Eisenberg
patent: 4232267 (1980-11-01), Hanajima et al.
patent: 4595848 (1986-06-01), Ryczek
patent: 4663609 (1987-05-01), Rosario
patent: 4968907 (1990-11-01), Pepper
W. Klara, "Single-Shot Circuit Implemented in Large-Scale Integration," IBM Technical Disclosure Bulletin, vol. 20, No. 4, Sep. 1, 1977, p. 1458.

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