Dual polarity pulse detection circuit with variable voltage thre

Details Dual polarity pulse detection circuit with variable voltage thre Dual polarity pulse detection circuit with variable voltage thre

1975-09-12

1977-04-05

Caldwell, John W.

Communications: electrical

Systems

Call station

307267, 328 58, 328127, 328148, 340248A, 340253R, 340253P, G08B 2100

Patent

active

040165523

ABSTRACT:
A circuit having a variable voltage source and a comparator with feedback capability detects high-speed input pulses of positive and negative polarities relative to selected voltage thresholds. The circuit also stretches and displays the detected pulses utilizing pulse stretching and LED circuitry.

REFERENCES:
patent: 3184729 (1965-05-01), Freedman et al.
patent: 3448296 (1969-06-01), Schwaninger
patent: 3718864 (1973-02-01), Kelly et al.
patent: 3845401 (1974-10-01), Troiani et al.

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