Pulse signal generator having delay stages and feedback path to

Details Pulse signal generator having delay stages and feedback path to Pulse signal generator having delay stages and feedback path to

1992-10-13

1993-09-07

Sikes, William L.

Electrical transmission or interconnection systems

With nonswitching means responsive to external nonelectrical...

Temperature responsive

307602, 307608, 328 55, H03K 513, H03K 5159

Patent

active

052432408

ABSTRACT:
A pulse signal generator comprising a plurality of stages of delay gates connected in series for receiving an input pulse signal and generating an output pulse signal, each stage consists of a differential connection circuit and an emitter follower circuit, and has a signal delay time which is changed by varying the voltage that controls the current flowing in the current sink of the emitter follower circuit. The pulse signal generator further comprises a delay time signal generator receiving the input and the output pulse signals to generate a comparison pulse signal of a pulse duration corresponding to the delay time between the input pulse signal and the output pulse signal; a reference pulse signal generator for forming a reference pulse signal; and a correction voltage generator for forming a DC voltage corresponding to the difference between the pulse duration of the comparison pulse signal and the reference pulse signal; wherein the DC voltage of the correction voltage generator is connected to the current sink of at least one of the emitter follower circuits to vary the delay time per stage of the delay gates.

REFERENCES:
patent: 3712994 (1973-01-01), Graziani
patent: 4618788 (1986-10-01), Backes et al.
patent: 4782246 (1988-11-01), Kuroyanagi et al.
patent: 5146121 (1992-09-01), Searles et al.
patent: 5159205 (1992-10-01), Gorecki et al.

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