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DX-40 Circuit Improvements

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Author Topic: DX-40 Circuit Improvements  (Read 7428 times)
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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.


* DX-40 Improvement Schematics.pdf (430.89 KB - downloaded 267 times.)

"What kind of Koolaid do they make you drink in the Physics Department?" Charlie Epps to Dr. Larry Fleinhardt, NUMB3RS   Smiley
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