Article: South Korean Inventor Develops Power Amplifier Gain Control Apparatus

ALEXANDRIA, Va., Dec. 13 -- Kwang-du Lee of Suwon-si, South Korea, has developed an apparatus for automatically controlling a gain of a power amplifier and an associated methods.

An abstract of the invention, released by the U.S. Patent & Trademark Office, said: "An apparatus for automatically controlling a gain of a power amplifier includes a reception-signal detecting unit which detects a reception signal; a reference-voltage generating unit which generates a reference voltage; a gain control voltage detecting unit which compares the detected reception signal with the generated reference voltage to detect a gain control voltage; a gain control unit which controls a gain of an input ...

Related newspaper, magazine, and journal articles:

 
 
Newsweek Harper's Magazine The Washington Post Chicago Tribune Crain's Chicago Business PRNewswire Pediatric News The Nation Advertising Age The Economist (US) A FREE trial gives you access to over 80 million articles! Access over 6,500 publications with a FREE trial!