[time-nuts] Double balanced mixer question

[Dana Whitlow]

Peter, it* is* too simplistic.  It's very likely that the 10 MHz is also
being *phase* modulated
at 1 Hz, and clipping will not remove that.

Dana


On Thu, Jul 23, 2020 at 5:23 PM Peter McCollum <saipan1959 at gmail.com> wrote:

> This may be too simplistic, but you could clip it with a limiter to remove
> the amplitude variations, then filter it back to a sine.
>
> Pete
>
>
> On Thu, Jul 23, 2020 at 1:56 PM <cdelect at juno.com> 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?
> >
> > Cheers,
> >
> > Corby
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