[time-nuts] Parallel voltage regulators

Poul-Henning Kamp phk at phk.freebsd.dk
Sat Oct 27 06:15:44 EDT 2007

In message <003701c8184d$fe445a60$2001a8c0 at MAIN>, "Don Collie" writes:
>); SAEximRunCond expanded to false

>I`ve always wondered about noise from batteries - please tell us more 
>Bruce!! [....also wondered about noise from the electrolytic action of 
>aluminium, and tantalum electrolytic capacitors, and wondered if the 
>reference bypass capacitor in a 723 should be a plastic dielectric type, 
>rather than electrolytic].........

Try this:  attach a 12V SLA to a sound amplifier though a DC blocking
capacitor and then let it light a bulb of some sort.

The resulting sound can best be described as "snap crakle and pop" :-)

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