Take a look at this fm spy transmitter which can be used as a bug transmitter ... You may want to use a small 100mW amplifier to give a little extend transmission range so you can spy from other ...

The most important part of this 88-108 transmitter is the Colpitts oscillator. C3,C4,C5,C6,CD1-CD2 ans L1 determine the transmission frequency. The RF Oscillator circuit has the BF982 MosFet ...

FM transmission noise will rise at 6 dB per octave over the ... 4: Receiver IF Output SNR Prior to 1973, when the phase locked loop (PLL) circuit was introduced into the consumer receiver market, FM ...

Block diagram of an ATSC 3.0/analog FM transmission system. Courtesy Jampro Antennas Beginning ... “This work was done using circuit simulation tools, HFSS (3D electromagnetic simulation software), ...

and short circuit protection. It will also display your car's battery voltage on startup. If you're looking for a more premium option, Sumind's Bluetooth FM transmitter should fit your needs.

It’s most often seen for AM band receivers or perhaps shortwave ham band ones, but it’s a circuit which also ... will happily slope-demodulate an FM transmission. This one uses two tubes ...

Bluetooth FM transmitters are affordable and simple ... intelligent temperature control, and short circuit protection. It will also display your car's battery voltage on startup.