[time-nuts] minimalist sine to square

Tom Van Baak tvb at LeapSecond.com
Fri Jan 19 17:40:58 EST 2018

> Tom
> What's the input signal amplitude?
> What's the desired output signal (eg 5V CMOS, 3.3V CMOS etc)?
> Bruce

It's for a typical 5 or 10 MHz OCXO / Rb / Cs with sinewave output; say, 1 Vpp. The output should be 3.3 or 5 V depending on what the MCU needs. It doesn't have to have stunning performance: think breadboard, PIC, Arduino sort of stuff. I was looking for something in a PDIP-8 package; the same as all the picDIV or picPET chips I use. That's why older parts like µA9637 / DS9637 came to mind.


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