On Sat, 02 Feb 2008 15:21:28 -0500, clare at snyder.on.ca wrote:

snip


POWER efficiency might be better with a switcher, but by the time you
adress the RF implications your total cost/benefit ratio would kinda
outweigh the benefits.



Surely that will be a small effect compared with the noise from the ignition
and the noise from the vibrator for the HT supply for the radio?



BG)



Mark Rand
RTFM