US Patent Application 20090310979 - ELECTRONIC CIRCUIT AND COMMUNICATION SYSTEM

Application 20090310979 Filed on August 24, 2009. Published on December 17, 2009

Abstract Claims Description Full Text

Inventor

Hara, Hiroshi

Assignee

SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.

US Classes

398/209, Feedback375/295, TRANSMITTERS330/260Having signal feedback means

Attorney, Agent or Firm

Westerman, Hattori, Daniels & Adrian, LLP

Foreign Documents

2007-044468 JP 02/23/2007

International Classes

H04B 10/06
H04L 27/00
H03F 3/45

Abstract text

An electronic circuit includes: a differential amplifier circuit into which a digital input signal and a reference signal are fed; a feedback circuit outputting an average of amplitude of the input signal; and a peak holding circuit outputting a signal held based on an output signal of the feedback circuit as the reference signal.

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