Invention Grant
US09075424B2 Compensation scheme to improve the stability of the operational amplifiers 有权
补偿方案,以提高运算放大器的稳定性

Compensation scheme to improve the stability of the operational amplifiers
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.
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