发明申请
- 专利标题： DIGITALLY ADJUSTED VARIABLE GAIN AMPLIFIER (VGA) USING SWITCHABLE DIFFERENTIAL PAIRS
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申请号： US12190107申请日： 2008-08-12
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公开(公告)号： US20080297251A1公开(公告)日： 2008-12-04
- 发明人: Namik Kemal Kocaman , Afshin Momtaz
- 申请人： Namik Kemal Kocaman , Afshin Momtaz
- 申请人地址： US CA Irvine
- 专利权人： Broadcom Corporation
- 当前专利权人： Broadcom Corporation
- 当前专利权人地址： US CA Irvine
- 主分类号： H03F3/45
- IPC分类号： H03F3/45
摘要：
A variable gain amplifier including a stage. The stage having a set of switchable differential pairs. The stage providing a gain range to a signal and adjusting a gain of the signal. At least one differential pair in each stage is permanently enabled. The variable gain amplifier may include a plurality of cascaded stages including the stage. In addition, the variable gain amplifier may be adjusted through an interleaved thermometer coding method.
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