Detector circuit

Details Detector circuit Detector circuit

1989-01-27

1990-07-03

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307234, 307443, 307480, 307269, 328 63, 328109, 328151, G01R 19145, H03K 1902

Patent

active

049393960

ABSTRACT:
A detector circuit for detecting a state change of an unknown binary signal has a control circuit generating two pulse sequences which are shifted in time against each other and two flip-flops. The first pulse sequence activates the first flip-flop and clears the second one, whereas the second pulse sequence activates the second flip-flop and clear the first one. Therefore, the two flip-flops are prepared to trigger on transitions of the unknown binary signal to be tested alternatingly. Such a detector circuit can be used to avoid undue restrictions caused by the necessary recovery time of a single flip-flop.

REFERENCES:
patent: 3942037 (1976-03-01), Mensch, Jr.
"Designer's Casebook, Logic Monitors Changes in Channel Input State"; Electronics International; vol. 56, No. 14; Jul. 1983; p. 132, A. Karapetian.
"Timing Characterization Circuit"; IBM Technical Disclosure Bulletin; J. King; vol. 27, No. 9; Feb. 1985; pp. 5266-5269.
"Logic Analyzers Mount a Three-Pronged Attack on Hardware and Software Debugging", Electronic Design; B. Milne; vol. 31, No. 19; Sep. 1983; pp. 93-108.

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