Electronic control of peak detector response time

Details Electronic control of peak detector response time Electronic control of peak detector response time

1992-06-01

1994-11-08

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327 94, H03K 524

Patent

active

053629922

ABSTRACT:
A peak detector circuit operates to charge a capacitor to a level proportional to the peak input signal level. The charging circuit includes an emitter follower driver. The response time of the charging circuit is enhanced by coupling a constant current to the emitter follower output. The constant current acts to lower the emitter follower source impedance which operates to increase the rate of capacitor charging.

REFERENCES:
patent: 3296581 (1967-01-01), Warner
patent: 4198541 (1980-04-01), Fukushima
patent: 4506169 (1985-03-01), Cole
patent: 4605867 (1986-09-01), Veehof
patent: 4866301 (1989-09-01), Smith
patent: 4996448 (1991-02-01), Abdi
patent: 5025176 (1991-06-01), Takeno
patent: 5038055 (1991-08-01), Kunoshita

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