[time-nuts] mixers for frequency measurement

Heinzmann, Stefan (ALC NetworX GmbH) Stefan.Heinzmann at alcnetworx.de
Thu Jan 19 17:12:58 UTC 2012


ed breya wrote:
> That was a very interesting article. It would have been nice if they
> tried other devices in their custom version mixer too, like bigger
> diodes. I think the commercial mixers are optimized for wideband use at
> typical power levels, but one specifically for low frequency like
> 5 or 10 MHz could be made even better. I wonder how a ring of matched
> 1N5817s would work at saturated power levels - maybe +20 dBm or so.

1N5817 are schottky diodes. Wouldn't they saturate much earlier than a 2N2222A? If saturation is the right word with a schottky diode...

Cheers
Stefan





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