[time-nuts] DMTD using Active Mixers

Magnus Danielson magnus at rubidium.dyndns.org
Wed Nov 11 21:32:21 UTC 2009


Bruce Griffiths wrote:
> Active mixers almost invariably have a higher noise floor than passive 
> mixers, particularly in the flicker noise region.
> Consequently a DMTD system using active mixers will have a higher system 
> noise floor than one using active mixers.

... than one using passive mixers.

You still need driving amplifiers.

Cheers,
Magnus



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