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Author Topic: DX-40 Circuit Improvements  (Read 12615 times)
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DMOD
AC0OB - A Place where Thermionic Emitters Rule!
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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 839 times.)
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