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Dave's Circuits
Circuits designed by David Johnson, P.E.

Master Category List - Dave's Circuits
 Last Updated on: Friday, July 18, 2008 11:34 AM


 
 

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.

Click on Drawing Below to view PDF version of Schematic

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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