Switchable peak/average detect circuit

Details Switchable peak/average detect circuit Switchable peak/average detect circuit

1994-11-04

1996-10-01

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327343, 327344, H03K 500

Patent

active

055613837

ABSTRACT:
A circuit that can switch between a peak detect and an averaging mode is described. In a preferred embodiment, when the circuit is in a peak detect mode a first transistor is on and a second is off, enabling an amplifier in the circuit to produce a signal representative of the peak value of an input signal. In an averaging mode, the first transistor is off, and a second transistor turns on, disabling the output of the amplifier, and thus enabling the averaging mode components of the invention.

REFERENCES:
patent: 4400633 (1983-08-01), Mouri
patent: 4695742 (1987-09-01), Randall
patent: 5120995 (1992-06-01), Abdi
patent: 5185735 (1993-02-01), Ernst
patent: 5216492 (1993-06-01), Dorrough et al.
patent: 5247380 (1993-09-01), Lee et al.
patent: 5406149 (1995-04-01), An et al.

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