[time-nuts] On some pitfalls of the dual mixer time differencemethod of h...

[SAIDJACK at aol.com]

Hello Ulrich,
 
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.
 
bye,
Said