Invention Grant
US07961127B2 Variable gain stage having same input capacitance regardless of the stage gain
有权
可变增益级具有相同的输入电容，而与级增益无关
- Patent Title: Variable gain stage having same input capacitance regardless of the stage gain
- Patent Title (中): 可变增益级具有相同的输入电容，而与级增益无关
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Application No.: US11781413Application Date: 2007-07-23
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Publication No.: US07961127B2Publication Date: 2011-06-14
- Inventor: Taehee Cho
- Applicant: Taehee Cho
- Applicant Address: US ID Boise
- Assignee: Micron Technology, Inc.
- Current Assignee: Micron Technology, Inc.
- Current Assignee Address: US ID Boise
- Agency: RatnerPrestia
- Main IPC: H03M1/00
- IPC: H03M1/00
Abstract:
A programmable gain amplifier (PGA) includes a sample-and-hold (S&H) stage which provides an input capacitance value for storing a charge. The PGA also includes an amplifying stage, which has a gain dependent on the input capacitance value. The amplifying stage is configured to provide a variable gain, while the S&H stage is configured to provide a substantially constant input capacitance value, regardless of the gain.
Public/Granted literature
- US20090027524A1 VARIABLE GAIN STAGE HAVING SAME INPUT CAPACITANCE REGARDLESS OF THE STAGE GAIN Public/Granted day:2009-01-29
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