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Old 23rd Mar 2017, 1:50 am   #27
Bazz4CQJ
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Join Date: Apr 2009
Location: Oxfordshire, UK.
Posts: 4,934
Default Re: Frequency counters

I’ve looked at a number of web articles about using basic DFC modules and it seems to be fairly standard practice to put a buffer amp in front of them, and some users also like to add a Schmitt trigger between the amp and the DFC. I think that is there to get a clean, square waveform. Does that sound like a good idea?

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