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Simple HF Power Amplifier

Simple HF Power Amplifier

INPUT23-30 mWC1100PVR1100KR110KR2470Ω0.5WC21nT12N2222RFCX1 = L1= 15T = 30T TURNS (AIR CORE)L2= 5 TUNSGNDR.F.OUTPUTC50.1μ100VL2X1VC1½ 2J GANG310PC40.1μ+24VC31nR322Ω0.5WT2BD139Simple HF Power Amplifier
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publish time: 2020-10-26
Circuit Everyday

This is a cheap but powerful RF power amplifier suitable for the 40m (7MHz) frequency band.This circuit accepts only 20-30MW RF power and amplifies it to watt level.Thus, its inputs can be connected directly to the VFO, and its outputs can be fed to the antenna.

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