Ketchlidge 1956
Raymond W. Ketchlidge "Distortionless Feedback Amplifier" Referenced by Walker in U.S. Pat. 3,773,984.

Ketchlidge 1956

 

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Filed: September 26, 1952
U.S. Patent 2,751,442
Granted: June 19, 1956

Raymond W. Ketchlidge

"Distortionless Feedback Amplifier"
Referenced by Walker in U.S. Pat. 3,773,984.