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Old September 13th 10, 12:06 AM posted to rec.radio.shortwave
dave dave is offline
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First recorded activity by RadioBanter: Jan 2009
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Default Sony ICF-2010 with a 5 volt USB adaptor

John Smith wrote:
On 9/12/2010 10:39 AM, dave wrote:

...
I was taught six tenths for a Si diode rectifier, three tenths for Ge.

To keep the voltage constant, while current draw varies, requires a
variable resistance. I assume this happens inside the diode.


The old germanium I have measured tended to be close to 0.5v. The
schottky ~0.2 = ~0.4 unless under heavy loads ... and of course, there
are exemptions to the rule ...

Regards,
JS


It's been a while.