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#7
September 12th 10, 06:41 PM
posted to rec.radio.shortwave
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Sony ICF-2010 with a 5 volt USB adaptor
RHF schrieb:
On Sep 12, 9:34 am, John Smith wrote: [...] Yes, if you want to drop the voltage further, just drop more silicon diodes in series ... Regards, JS HUMmmm the Cost of one Resistor or the Cost of many Diodes . . . The voltage drop across a diode/diodes is more or less current independend while the voltage drop across a resistor depends on the current through that resistor. High volume - big current - big voltage drop - low supply voltage; low volume - low current - small voltage drop - high (maybe too high) supply voltage. HTH Reinhard |
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