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DX-40 Circuit Improvements




 
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Author Topic: DX-40 Circuit Improvements  (Read 8501 times)
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DMOD
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« on: July 14, 2017, 02:10:40 PM »

Improvements to the DX-40 results in increased RF stability and CW clarity and can be done by decoupling that series circuit in the 6CL6 stages.

 
Also included here are power control and audio improvements in the speech amplifier and modulator.

Updated 3/2/2018 with tube symbols and Parts List.


Phil

* DX-40 Improvement Schematics.pdf (430.89 KB - downloaded 360 times.)
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