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#9
October 13th 08, 03:35 AM
posted to rec.radio.shortwave
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Hellenedyne: a new type of regen-reflex radio
"Dave" wrote in message ... elaich wrote: wrote in news:496c922c-a06e-4e9b-a32a-69c2d97dd8d7 @g61g2000hsf.googlegroups.com: others are successfully using the Hellenedyne up to 25 MHz. my daily listener is a multi-tube homebrew of my own design (PDF pending). I intend to build your simple little radio, if nothing else, to prove that a one tube radio is a one tube radio. You can add regen to it, but it is still a one tube radio. I built one in 1967 - it could get my 5,000 watt local AMer, and that was it. Regen will help, but it can't even come close to even an AA5 for sensitivity and selectivity. Regenerative receivers have tons of gain and are very sensitive. Very sensitive, not bad selectivity, but a lousy noise floor.. |
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