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This is a more powerful FM 'bug' (monaural microphone included) than K7 or K18, but it is a bit more difficult to build and properly set up for unlicensed operation. This circuit is a three-stage FM transmitter with an RF transistor (ZTX320) in the output stage. 6VDC to 12VDC operation. An on/off switch is mounted on the PCB. Suggested for kit builders with RF experience only.
Read product sheet PDF. Read High Speed Switching Transistors Specs Sheet PDF. Read McSwiggan FM Transmitter Theory PDF. Need a power supply? Get the #4_0016.
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