5W PLL Stereo Transmitter with LCD - Here's PLL FM transmitter circuit from china. This circuit uses the familiar 2SC1971 for final power amplifier stage.

Circuit given below will serve as a durable and versatile FM transmitter till you break or crush it's PCB. Frequency is determined ... This way circuit especially valuable in amateur spy operations :)

Very strong FM transmitter. You maybe need license to run this. [View 4W FM Transmitter circuit diagram]

Review of PCS Electronics' Max-1 FM Exciter kit ... FM Transmitter circuit kit FM exciters FM Transmitters FM Exciter diy Broadcast RF Circuit electronic schematic ham free spy ;

FM Transmitter circuit kit ham free project spy FM bug how do I ... So far I have been reviewing PLL based FM Transmitter kits in the 150-200$ range. These kits have PLL Chips and are

Micro spy [FM audio transmitter for Hobby use] ... This circuit can be used to on various frequencies, for example on the FM band 88-108 just modifying some components, among which the quartz (25MHz)

THREE STAGE FM TRANSMITTER ... A powerful little electronic circuit with surprisingly good audio quality. Great for monitoring baby's room, or other happenings in your home or business.

Bench-Tested Circuits Book - practical electronic circuits for counter-surveillance and MBTC - More Bench Tested Circuit - continuation of the original Bench Tested Circuits Book.;

FM Beacon Transmitter (88 108 MHz): This circuit will transmit a continuous audio tone on the FM broadcast band (88-108 MHz) which could used for remote control or security purposes.

This bug uses a 2-transistor circuit with a coated inductor instead of more conventional coils, making it robust and ... 3051KT; Micro-Miniature 9V FM Room Transmitter Kit £7.78 £6.62 GB£8.95