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#7
September 12th 06, 06:06 PM
posted to rec.radio.shortwave
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Degen DE31 'portable' Shortwave "Active" Loop Antenna
The internals of the DE31 antenna are discussed (and shown) he
http://www.drmrx.org/forum/archive/i...hp/t-1210.html N9NEO wrote: Yes, I would think that you would want the variable capacitor close to the loop too. I think what we have here with the loop is just an inductor... Damned if I know what is in the unit by the radio. I suspect a variable capacitor and a jfet like a mpf-102. I don't think a varactor diode kind of setuup will tune such a broad range. I will take my unit apart one day soon and report back to group if anyone interested. regards, NEO |
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