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Field Strength Monitor / Meters
Last Updated on:
Friday, October 03, 2014 10:37 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 -  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….. [Andy Collison's circuit]
Field Strength Meter for 2.4 Ghz Wireless LAN -  What can you use to test how effective your antennas are for 2.4 Ghz? Which antenna has the best gain or, how do you know that there is any 2.4Ghz RF transmitted? Here are the details on how to build a general purpose 2.4Ghz Radio Frequency Field Strength Meter.  This one was built using the microwave rated diode from a MICROTEK solid state microwave leakage detector.... Circuit designed by John Samnin
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… [Andy Collison]
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 -  This Field Strength Meter is simple and also quite sensitive. It uses an ordinary digital voltmeter to measure RF signal strength up to a few hundred MHz…. [Designed by Andy Collison]

 
 

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