[time-nuts] Parallel voltage regulators
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.
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