Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Steven W. Schell0
Bun Kobayashi0
Mau-Chung Frank Chang0
Pei-Ming Daniel Chow0
Date of Patent
June 21, 2011
0Patent Application Number
123267910
Date Filed
December 2, 2008
0Patent Primary Examiner
Patent abstract
An attenuator system comprises an attenuator and a control circuit for controlling the attenuation of the attenuator. In one embodiment, the attenuator comprises two diodes or two diode connected transistors, and the control circuit comprises two transistors as the only active devices. In another embodiment, the control circuit comprises another transistor in a shut down circuit.
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