nxt02 Posted July 5, 2009 Report Share Posted July 5, 2009 u can change the antenna windings by amount size and you can also change the thickness of the wire used. or add a variable capacitor across the antenna. hope that helps :-\ Quote Link to comment Share on other sites More sharing options...
audioguru Posted July 5, 2009 Report Share Posted July 5, 2009 Adding a variable capacitor across the antenna will not change the frequency.The circuit probably uses a modern frequency synthesizer circuit with a quartz crystal and phase-locked-loop. Maybe the crystal can be replaced with one having a higher frequency. The existing crystal might be 6.2MHz. Try a 7.6MHz crystal. Quote Link to comment Share on other sites More sharing options...
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