Field Strength Meter


Posted on Jul 19, 2012

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.


Field Strength Meter
Click here to download the full size of the above Circuit.

The circuit consists basically of an RF amplifier, diode rectifier and a DC amplifier. The first feature that may be new to you is the inductor in the antenna circuit. You may think it produces a short-circuit between the antenna and earth but the inducta




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

ANTIQUE CAR DIAGRAM WIRING
Axe Grinder Electric Guitar Effect
How to Make a Simple 200 VA Homemade Power Inverter Circuit Square Wave Concept
the water level control system design of the one-chip computer
how to make simple piezo buzzer circuit
wave antenna circuit
Programming the AVR Microcontroller with GCC
Joule Ringer 3
Hardware Schematics
Intelligent transformer temperature monitor circuit module design



Top