[time-nuts] On some pitfalls of the dual mixer time differencemethod of h...
Magnus Danielson
cfmd at bredband.net
Sun Oct 1 17:59:56 UTC 2006
From: SAIDJACK at aol.com
Subject: Re: [time-nuts] On some pitfalls of the dual mixer time differencemethod of h...
Date: Sun, 1 Oct 2006 13:53:57 EDT
Message-ID: <c80.290792e.32515ab5 at aol.com>
> Hello Ulrich,
Ulrich and Said,
> the latest generation of TSC intruments (the TSC5120A for example) uses a
> new strategy: they use four ADC's to sample and cross-correlate two oscillators
> completely in software. All the mixing etc is done in the software domain.
> That makes for cheap hardware, and works quite well. They had a tutorial about
> this at this years UFFC in Miami.
You also get some insight when picking up the manuals from their web. It is a
quite different animal in implementation than the old hardware correlatetors
are, which has both benefits and drawbacks. It is however a very modern
approach indeed.
Cheers,
Magnus
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