[time-nuts] Very challenging phase noise measurement, does anyone have an idea??

Azelio Boriani azelio.boriani at screen.it
Wed Dec 5 22:41:56 UTC 2012

This last idea is interesting... could be simulated by Matlab or similar.

On Wed, Dec 5, 2012 at 11:34 PM, Marek Peca <marek at duch.cz> wrote:

> running mode and lock the other one to the first one using an XOR gate and
>>>> then use the output of the XOR gate as an output signal. However, we are
>>>> wondering if any of you know a better idea. Maybe there is an off-the-shelf
>>>> piece
>> Nearly any idea is better than the XOR gate you proposed. A simple double
>> balanced diode mixer followed by an LT1028 preamp would easily meet your
>> needs.
> What about simply mixing two signals in a resistor network, sampling by
> ADC, and mixing purely in DSP domain on a non-linearity (e.g. f(x)=x^2)?
> Regards,
> Marek
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