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04-11-2009, 04:27 PM
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Wireless fm transmitter circuit
A simple but great wireless fm transmitter circuit was posted on electroschematics.com. The wireless fm transmitter circuit described there has an extra RF power amplifier stage, after the oscillator stage, to raise the power output to 200-250 milliwatts. With a good matching 50-ohm ground plane antenna or multi-element Yagi antenna, this wireless fm transmitter can provide reasonably good signal strength up to a distance of about 2 kilometres.
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