A Simple Field Strength Indicator
This is the non-microcontroller version of “RF Field Strength Probe using Atmel AVR microcontroller AT90S1200″.This broad band probe has a small antenna (about a 15 cm length of insulated wire). Radio Frequency energy coupled to the antenna is detected and made available to drive millivolt level signals to the input of a DVM (Digital Volt Meter). Its battery powered for convenience with very low current drain and automatic shutdown for long battery life.
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