Digital peak/valley detector

Details Digital peak/valley detector Digital peak/valley detector

1988-10-21

1991-02-05

Shoop, Jr., William M.

Coded data generation or conversion

Analog to or from digital conversion

Detecting analog signal peak

341146, H03M 100

Patent

active

049909126

ABSTRACT:
A peak-valley detector of an analog signal which provides a digital output of the analog signal. A digital counter is used having an output coupled to a digital-to-analog convertor. The output of the digital-to-analog convertor is compared to an input analog signal. The output of the comparator is used to control the input of a clock signal to the counter. A selective invertor controls whether the comparator's output allows counting for signals above or below the digital-to-analog convertor's output level.

REFERENCES:
patent: 3471853 (1969-10-01), Brooks et al.
patent: 3800236 (1974-03-01), Riethmuller et al.
patent: 4001604 (1977-01-01), Parks et al.
patent: 4165508 (1979-08-01), Barter
patent: 4367457 (1983-01-01), Tadauchi et al.
Analog-Digital Conversion Handbook, 1986, p. 131, Prentice-Hall.

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