4Watt UHF TV linear amplifier

Posted on Aug 28, 2012    5643

That Circuit is a UHF TV linear amplifier for small TV transmitters with output aroun 100-200mW. The transistor BGQ136 comes with SOT-122 case has gain of 13dB at 800MHz. So with input 100mW you get 2W output and for 200mW you get 4W.

4Watt UHF TV linear amplifier - image 1
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Do not exceed that or you will start get bad distorted picture! Feed with 25 Volts/3Amps. Use Really big heatsink.

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