[time-nuts] Phase microsteppers
phk at phk.freebsd.dk
Fri Mar 11 01:18:56 EST 2005
In message <4230C2C3.3070508 at pacific.net>, Brooke Clarke writes:
>When I was trying to make a 1 PPS saw tooth corrector for the Motorola
>GPS receivers I found an IC that was a 1 ns phase shifter and had just
>enough range to correct the GPS receiver. I did get it to work but
>never could figure out how to get around the bug in the saw tooth data.
>This type of chip would be one way to get down to 1 or using another
>part number a fraction of a ns time step. But some other method must be
>used for finer steps.
The diagram of the PPS input/output in the PRS10 Rb is interesting.
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
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