Transcription of Practical Valve Linear Amplifier Construction - VK3HZ
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Gippstech 2004 Practical Valve Linear Amplifier Construction (or Life s too short for QRP )David Smith VK3 HZGippstech 2004 Background Got frustrated with the morning ops because many were running legal limit and couldn t hear my 50W When I mention Valve amp to others, many shy away because of the dangerous voltages involved Wanted to share my experiences/challenges in building a 70cm Valve PAGippstech 2004 But First ..The VK3HZ Patented ..4C4C s of Amateur Projectss of Amateur ProjectsMany of us have many projects at various stages of Construction . There might be some logic behind the chaos ..Gippstech 2004 The 4 C s of AR Projects1. ConceptionThe formation of a plan for the project.
Gippstech 2004 The 70cm PA – Control Circuit 240V into RF deck for Blower, Heater supply (sequenced), Aux 12V supply Heater supplied by 12V 40W …
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