Invention Grant
- Patent Title: Compensation scheme to improve the stability of the operational amplifiers
- Patent Title (中): 补偿方案,以提高运算放大器的稳定性
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Application No.: US13787419Application Date: 2013-03-06
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Publication No.: US09075424B2Publication Date: 2015-07-07
- Inventor: Shankar Guhados , Feng Pan
- Applicant: SanDisk Technologies Inc.
- Applicant Address: US TX Plano
- Assignee: SanDisk Technologies Inc.
- Current Assignee: SanDisk Technologies Inc.
- Current Assignee Address: US TX Plano
- Agency: Davis Wright Tremaine LLP
- Main IPC: G05F3/24
- IPC: G05F3/24 ; G05F1/625

Abstract:
A right-half plane (RHP) zero (RHZ) compensation scheme to improve the stability of the operational amplifier. A resistance RZ is implemented by a transistor. This transistor tracks process variations of the transistor drive by the op-amp to achieve better stability without requiring a bandwidth reduction. As a current source is not available to bias this transistor, a local bias circuit is used to provide this.
Public/Granted literature
- US20140253057A1 Compensation Scheme to Improve the Stability of the Operational Amplifiers Public/Granted day:2014-09-11
Information query
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