[time-nuts] Philips PLL

Poul-Henning Kamp phk at phk.freebsd.dk
Wed Aug 9 11:56:39 EDT 2006


In message <D6D8D27B5219D649A005529978F79137133AE2 at SBSERVER.Synergy-GPS.sbs>, "
Randy Warner" writes:
> Said/Didier,
>
>There just must be something special about Philip's PLL designs. Way
>back when when I was working in the underwater world we used a small
>underwater range finder (sonar) that used the Philips 4046 PLL. The
>Philips part was the ONLY 4046 that would meet the range and jitter
>specs. We used other parts if we needed to test something and weren't
>too concerned about accuracy, but none of those sonars ever SHIPPED
>without the Philips part inside.

They learned a lot about PLL design during the development of the
Compact Disc.


-- 
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 mailing list