Here is a simple RF bug detector that will help you detect spy bugs and can operate up to 2 GHz. Below are some essential things required for this circuit: to cover a large ... way the base is ...

This storm detector circuit is very ... The output signal can be applied to an audio amplifier or an oscilloscope in order to hear or see the signal. I love all about electronics, circuit diagrams and ...

Compared to the simple diode needed to demodulate AM radio signals, the detector circuits used for FM are ... pulse at a set point in the received FM signal’s waveform, usually at the zero ...