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Old August 3rd 14, 10:20 AM posted to rec.radio.amateur.homebrew
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Posts: 613
Default 32-ohm earphone speaker as a dynamic microphone

Stuart Longland wrote in news:kea1bb-
:

Looks like I might be getting out the oscilloscope and making some
measurements with the PTT down, try to figure out where the RF is
getting in.


Did you try ferrite beads? To stop propagation along a screen? No-one seems
to have mentioned them yet so I thought I should...
 
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