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September 12th 10, 07:44 PM
posted to rec.radio.shortwave
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Sony ICF-2010 with a 5 volt USB adaptor
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 |
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