FM Bug Transmitter Take a look at this fm spy transmitter which can be used as a bug transmitter or as fm bug too. It uses a single IC 74F13, one coil, a capacitor, one trimmer, one resistor and ...

To keep the fm transmitter circuit simple as well as compact, it was decided to use a chip made by Maxim Integrated Products, the MAX2606. This IC from the MAX2605-MAX2609 series has been specifically ...

He gets bonus points for using a 1/4 – 20 bolt for winding the coil, too. The power supply for the transmitter is a single 9V battery, the battery connector being salvaged from a dead 9V.

[Sean Michael Ragan] built this FM transmitter which shows off its circuitry via a clear plastic dome. The device is electrically identical to one we looked at in September. That version championed… ...