Hi Corby, On 2020-07-23 20:01, [email protected] wrote: > Hi, > > I'm feeding 5.0 MHZ and 5.000001MHz into an HP10514A mixer. > > A buffer and a 12dB attenuator feed each input and a 50 Ohm buffer amp > (10Mhz) is on the output. > > I get a nice sine output but get the 1Hz as amplitude variations. > > Playing with input levels I can minimize the variations but the best I > can get is a 3.2 V P-P with a .4 V P-P amplitude modulation. > > Are there mixer schemes I can use that will eliminate the amplitude > variations?
If you high-pass filte rout the 1 Hz, do you still get variations? Depending on how you detect these, the 1 Hz may confuse you. It can be a bit easier if you have larger frequency difference to start with, since you can analyze the 10 MHz easier with spectrum analyzer or SSB receiver. Cheers, Magnus _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
