Invention Grant
- Patent Title: Amplifier circuit with improved accuracy
- Patent Title (中): 放大器电路具有提高的精度
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Application No.: US14758810Application Date: 2013-01-09
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Publication No.: US09564856B2Publication Date: 2017-02-07
- Inventor: Peter Van Der Cammen
- Applicant: QUALCOMM Technologies, Inc.
- Applicant Address: US CA San Diego
- Assignee: Qualcomm Technologies, Inc.
- Current Assignee: Qualcomm Technologies, Inc.
- Current Assignee Address: US CA San Diego
- Agency: Smith Tempel Blaha LLC
- International Application: PCT/EP2013/050283 WO 20130109
- International Announcement: WO2014/108179 WO 20140717
- Main IPC: H03F1/02
- IPC: H03F1/02 ; H03F3/19 ; H03F3/45 ; H03F3/193 ; H03F3/24 ; H03G3/30
Abstract:
An amplifier circuit with improved accuracy is provided that comprises a cascade of amplifier stages, a control line for controlling the amplifier stages, a feedback circuit having an input port for receiving a reference signal, and a feedback loop connecting the feedback circuit to the control line. Via the feedback circuit and the feedback loop, the large signal behavior of the amplifier stage is accurately fixed. As a result, the small signal gain of the amplifier stages has an improved accuracy as well.
Public/Granted literature
- US20150349717A1 AMPLIFIER CIRCUIT WITH IMPROVED ACCURACY Public/Granted day:2015-12-03
Information query
IPC分类:
