Interleaved digital peak detector

Details Interleaved digital peak detector Interleaved digital peak detector

1999-04-29

2000-09-19

Lam, Tuan T.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327 62, 342 45, 342 70, H03K 522

Patent

active

061217999

ABSTRACT:
An interleaved digital peak detector has multiple acquisition pipes with each pipe receiving a common input signal. Each acquisition pipe receives a common sample clock signal that is delayed through an analog delay circuit for selectively delaying the sample time of each analog-to-digital converter in the pipe. Each pipe has peak detector that receives the digitalized output from the analog-to-digital converter and accumulates maximum and minimum peak values. A programmable decimator receives the sample clock signal and a decimation value for establishing an acquisition clock by decimating the sample clock signal as a function of the decimation value to trigger a latch circuit for storing the accumulated maximum and minimum values from the peak detector. An acquisition memory stores the latched the maximum and minimum peak detector values over an acquisition interval and the maximum and minimum peak detector values from each of the acquisition pipes are compared over the acquisition interval under program control for generating a maximum and a minimum peak detector value over the acquisition interval for the acquisition pipes.

REFERENCES:
patent: Re35996 (1998-12-01), Rasmussen
patent: 4897659 (1990-01-01), Mellon
patent: 5684850 (1997-11-01), Warburton et al.
patent: 5872536 (1999-02-01), Lyons et al.

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