Method and apparatus for automatically detecting signal levels

Details Method and apparatus for automatically detecting signal levels Method and apparatus for automatically detecting signal levels

H - Electricity

03

M

328/170

H03M 1/00 (2006.01) G01R 19/04 (2006.01) G01R 29/02 (2006.01)

Patent

CA 1180064

- 17 - Abstract A method and apparatus for automatically detect- ing peak values of an applied unknown electrical sig- nal employ a binary search technique in which a digi- tal signal is converted to analog reference voltage levels one bit at at time from the most significant bit to the least significant bit to be compared with the unknown signal until finally a digital signal is produced which corresponds to a peak value. By select- ing and controlling the comparator slope, both posi- tive and negative peaks may be detected. The search for positive and negative peaks of signals occurring in one or more signal channels may be interleaved to decrease total detection time. From the detected values, a triggering voltage level may be arithme- tically computed.

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