Invention Grant
- Patent Title: Low distortion variable gain amplifier (VGA)
- Patent Title (中): 低失真可变增益放大器（VGA）
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Application No.: US13291782Application Date: 2011-11-08
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Publication No.: US08698555B2Publication Date: 2014-04-15
- Inventor: Steve Fang , Qiang Tang , Myung Jae Yoo
- Applicant: Steve Fang , Qiang Tang , Myung Jae Yoo
- Applicant Address: BB St. Michael
- Assignee: Marvell World Trade Ltd.
- Current Assignee: Marvell World Trade Ltd.
- Current Assignee Address: BB St. Michael
- Main IPC: H03F1/02
- IPC: H03F1/02 ; G11B5/09
Abstract:
In one embodiment, an apparatus an amplifier configured to receive an asymmetric signal. A first resistance is coupled between an input node and an output node of the amplifier, the input node receiving the asymmetric signal. A second resistance is coupled to the input node of the amplifier. The second resistance includes a linear resistor. A third resistance is coupled to the second resistance. The third resistance is varied to adjust an amount of asymmetric correction provided by the amplifier to correct the asymmetric signal at the output node. The amount of asymmetric correction is a function of the first resistance and a combination of the second resistance and the third resistance.
Public/Granted literature
- US20120126889A1 Low Distortion Variable Gain Amplifier (VGA) Public/Granted day:2012-05-24
Information query
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