[time-nuts] HP 10544

Bruce Griffiths bruce.griffiths at xtra.co.nz
Sat Jan 16 00:39:36 UTC 2010


ewkehren at aol.com wrote:
> Attached is a scan of the schematic of the 10544 vintage 1976 given to me
> by HP as part of TI's work on the first GPS receiver. Maybe it will  help.
>   Bert Kehren
>    
>
>
>    
That circuit appears to be for the early, higher phase noise version.
The later version extracts the oscillator output signal through the 
crystal rather than from the emitter of the oscillator transistor..

Bruce




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