Title: Integrated transfer resistance amplifier with auto-gain control
Application Number: 200510123737 Application Date: 2005.11.22
Publication Number: 1758534 Publication Date: 2006.04.12
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H03G3/30,H03F3/08
Applicant(s) Name: Fenghuo Communication Science Address: 430074
Inventor(s) Name: Jiang Xiang, Du Mingxian, Zhou Hua, Feng Wei, Wang
Attorney & Agent: ni jun zhuang yili
Abstract:
     This invention relates to an IC transimpedance amplifier automatically controlling the gain in the optical communication field including a primary amplifier unit for amplifying input signals, an initial gain circuit as the feedback loop of the primary amplifier unit is connected with a N-type field effect transistor M6 as the feedback resistance, an automatic gain control circuit as the feedback loop of the primary amplifier unit connected with the N-type field effect transistor M7 as the feedback resistance.
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