 The Radio Shack special.
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ShawnLG
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Thu Jul 12 2007, 06:32PM
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Registered Member #286
Joined: Mon Mar 06 2006, 04:52AM
Location:
Posts: 399
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This FM circuit looks to simple to be true so I decided to build my self to try it. It worked better than the FM radio I built a while ago using an FM IC using 7Mhz filter network, mixer and all that complex stuff.
Link:
I used a single loop antenna as the drain coil and used a Varactor diode for tunning. This worked better for me. To eliminate the construction of the source coil, use a standard 2.2 or 3.3 uH inductor.
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