Controlled slew peak detector

Details Controlled slew peak detector Controlled slew peak detector

1988-05-24

1989-09-12

Miller, Stanley D.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307350, 307246, 307358, 307494, 307577, 328115, 328151, H03K 5153

Patent

active

048663018

ABSTRACT:
A peak detector circuit utilizes a comparator to compare an input signal to a peak voltage output signal. The output of the comparator enables a charging current source to charge a holding capacitor at a first rate when the input signal is greater than the peak voltage output signal and enables a discharging current source to discharge the holding capacitor at a second rate when the input signal is less than the peak voltage output signal. The capacitor voltage is coupled through the gate to source of an n-channel transistor and this source voltage forms the peak voltage output signal.

REFERENCES:
patent: 3694748 (1972-09-01), Hekimian
patent: 3699357 (1972-10-01), Lloyd
patent: 4054804 (1977-10-01), Tanaka
patent: 4423341 (1983-12-01), Shelly
patent: 4547762 (1985-10-01), Ono
Klatt, Robert; "Narrow Peaks Caught by Better Detector", Design Ideas, Scan-Optics, Inc., p. 43.

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