Pulse peak detector

Details Pulse peak detector Pulse peak detector

1977-02-16

1978-10-17

Zazworsky, John

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307261, 307359, 328151, H03K 500

Patent

active

041211197

ABSTRACT:
A pulse peak detector for producing a D.C. voltage level corresponding to the peak amplitude of an input signal. A differential comparator is utilized to compare the input signal to the output level, and to activate a control circuit when the peak amplitude of such input signal exceeds the output voltage. The control circuit includes a current source which operates for a predetermined resettable time interval to provide a charging current path for a storage capacitor. An emitter follower is disposed between the storage capacitor and the system output to isolate the capacitor from any output loading. For short-duration repetitive input pulses, for example, 10 nanoseconds or less, a latch circuit insures activation of the timing circuit.

REFERENCES:
"Peak Detector for Very Narrow Pulses", by M. J. Prickett, EEE, vol. 19, No. 4, Apr. 1971, p. 60.

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