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Circuits designed by David Johnson, P.E.

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Last Updated on:  06/17/2009 03:29:06 PM

 

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2.45GHz RF Signal Detector
This passive RF indicator is made from a few simple parts.  A 100uA moving coil meter is used to display the relative intensity of the RF signal.  This circuit can be used with some cellphones and many cordless telephones.

Circuit 2.45GHz RF Detector Circuits designed by David Johnson, P.E. (July 2, 2006)

Master Schematic Category List - David A. Johnson, P.E.
 
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