Switched peak detector

Details Switched peak detector Switched peak detector

1991-05-29

1992-06-09

Miller, Stanley D.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307546, 328150, H03K 5153

Patent

active

051209950

ABSTRACT:
A peak detector circuit includes a switch for charging and discharging a capacitor at predetermined rates. In a first mode of operation, the switch is open and the peak detector functions to provide an output voltage that is indicative of the peak voltage level occurring at its input by charging a capacitor at a first predetermined rate. In a second mode of operation, the switch is closed and the peak detector functions to discharge the capacitor at a second predetermined rate and to a predetermined voltage. Subsequently in the second mode of operation, the peak detector then functions to provide an output voltage that follows its input voltage.

REFERENCES:
patent: 3686577 (1972-08-01), Fruhauf
patent: 4053799 (1977-10-01), Minami
patent: 4302689 (1981-11-01), Brodie
patent: 4400633 (1983-08-01), Mouri
patent: 4445093 (1984-04-01), Kohler
patent: 4651034 (1987-03-01), Sato
patent: 4866301 (1989-09-01), Smith
patent: 4987323 (1991-01-01), Fujita
patent: 4996448 (1991-02-01), Abdi
patent: 5025176 (1991-06-01), Takeno
Stephan Hayes, "Video Detector Stores Peak for Minutes", Feb. 19, 1976, pp. 112-113.
Bob Marshall, "Peak Detector Monitors Its ac Input, dc Output; Resets Automatically" Nov. 22, 1979, p. 212.

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