[time-nuts] LTE-Lite module
phk at phk.freebsd.dk
Tue Oct 21 03:49:49 EDT 2014
In message <9BC23A13-646F-49C6-9FF9-D42FA5EC835D at aol.com>, Said Jackson writes:
>Then at some point the crystal 'snaps' and jumps in frequency, overshooting
>the desired frequency and causing the P term to start pushing in the opposite
>direction repeating the cycle.
If your hardware does not respond to the output, any PI(D) loop will go
bezerk, and there's nothing you can do about it.
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
More information about the time-nuts