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Field Strength Monitor / Meters
Last Updated on:
Friday, October 16, 2009 03:41 AM

 

Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

AN677: Designing a Base Station Coil for the HCS410 - Microchip Application Note Published 7-Aug-98  (app note added 2/06)
Field Strength Indicator-Analog only - (circuit schematic added 6/07)
Field Strength Meter (Andy Collinson) - This is a wide band signal strength meter circuit which responds to small changes in RF energy, designed to be used for the VHF spectrum and will respond to AM or FM modulation or just a plain carrier wave.
...(electronic circuit added 7/03)
Field strength meter for the 137 kHz band - (electronic circuit added 4/05)
Field Strength Meter MkI - This Field Strength Meter has been specially designed for our FM bugs. It is capable of detecting very low power transmitters and will assist enormously in peaking many of our FM transmitters that have a coil in the output stage that can be adjusted for optimum output...(schematic added 08/08/08)
Field Strength Meter MkII - This Field Strength Meter has been specially designed for our FM bugs. It is capable of detecting very low power transmitters and will assist enormously in peaking many of our FM transmitters that have a coil in the output stage that can be adjusted for optimum output...(schematic added 08/08/08)
Field-strength meter - I saw this circuit in an old issue of "73 Radio Electronics". I built it, but it didn't work well, so I changed a few components to get better sensitivity…..(design idea circuit added 09/08)
FSM Field Strength Meter - This is a wide band signal strength meter circuit which responds to small changes in RF energy, designed to be used for the VHF spectrum and will respond to AM or FM modulation or just a plain carrier wave.  (added 10/05)
RF field strength meter - (electronic circuit added 3/07)
RF field strength meter Mk1 - (schematic / circuit added e/07)
RF field strength meter Mk2 75MHz to 140MHz - (diagram added 3/07)
Simple Field Strength Meter - (electronic circuit added 7/03)
 

 
 
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