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Radio Circuits, Repair & Performance

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Variable power transmitter

Posted: 14 Jan 2018 12:12 PM PST
https://forums.qrz.com/index.php?thr...mitter.590947/

Hello,



I have a project in mind for a very low power transmitter, on par with your
standard car FM transmitter.

Looking online has yielded many plans for simple am and fm transmitter
units, but all of them are configured for one set output power.



My goal is to create a transmitter with a variable power level such that I
can accurately control the distance where the signal can be received....
for example, a strong signal within my house, but not beyond the property
lines. Id like to be...



Variable power transmitter