Part number for zero-crossing detector?
Henry Carl Ott
>I'm looking for a part number for a zero-crossing DETECTOR (not switch.)
>I'd like to be able to connect it to a line input, and have the output
>optically isolated to feed in to a mcu.
>
>
>--
>* Terry Sturtevant Internet: tstu...@mach1.wlu.ca
>*
>* Physics Lab Supervisor (519) 884-1970 x2049
>*
>* Wilfrid Laurier University office 1c13
>*
>* 75 University Ave. W. FAX: (519) 886-9351
>*
>* Waterloo, Ontario, CANADA
>*
>* N2L 3C5
>*
We used to use the HP3700.
Don't know if it's still made of if there is a better solution.
On the other hand, almost any opto-coupler and a couple of discretes will
do it.
later .......
carl
Henry Carl Ott N2RVQ
ca...@pipeline.com
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