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boosting an am transmiter

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sam1145

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how do i modify this circuit to boost its coverage
can someone help long-range-am-transmitter-circuit.jpg
 

betwixt

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Many factors influence coverage.

I would suggest the first thing to look at would be a proper antenna matching circuit. It will probably boost the output by 50% or so and reduce harmonic levels at the same time.
Goggle for "pi matching network" for more details.

Brian.
 
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