[EMAIL PROTECTED] wrote: > Hi Bob, > > since the sine wave is symmetric, you can use a simple LVC type CMOS > inverter with 1M Ohm resistor from input to output, and a 100nF cap (or the > largest > COG cap you can find) from the input of the inverter to the sine wave output. > > You may also want to load the sine wave output with 50 Ohms, as required by > the source. > > This works very well. Don't use a schmitt trigger inverter though. > > bye, > Said > > > Said
Noise is lower if you use a pair of resistor to bias the inverter input at the threshold rather than the feedback resistor. A feedback circuit can be added to stabilise the output duty cycle. If you want subpicosecond jitter you need to use a different device/logic family. Bruce _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
