Offset-compensated peak detector with output buffering

Details Offset-compensated peak detector with output buffering Offset-compensated peak detector with output buffering

1998-04-22

2000-04-18

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327 91, 327307, G01R 1900, H03K 5153

Patent

active

060519983

ABSTRACT:
A peak detector is provided with a comparator and a storage capacitor coupled to the output of the comparator. An analog input signal is supplied via an input capacitor to the inverting input of the comparator. The non-inverting input of the comparator receives an output signal produced by an output buffer arranged in a feedback loop of the comparator. A level shifter is coupled in the feedback loop to dynamically adjust an input signal supplied to the output buffer in accordance with application requirements. The operation of the peak detector is controlled by non-overlapping clock signals supplied to switches at the input and inner feedback loop of the comparator to cancel offset caused by the comparator and output buffer.

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