[time-nuts] Double balanced mixer question

[Peter McCollum]

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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