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A new single Miller capacitor for frequency compensation of three‐stage amplifier is proposed in this paper. In this scheme, a differential stage in which its negative and positive inputs are connected to the output and input nodes of third stage with a cascade capacitor forms the compensation block of a conventional three‐stage amplifier. Analysis shows that this configuration significantly improves...
In this paper, we theoretically propose and mathematically describe an effective four‐stage structure in Complementary metal‐oxide‐semiconductor (CMOS) technology based on differential block feedback. The special architecture of frequency compensation network improves frequency response with very small value of compensation capacitor, which results in low die area occupation. The presented novel and...
In this article, a new configuration of a three‐stage Complementary metal‐oxide‐semiconductor (CMOS) operational transconductance amplifier (OTA) is proposed. It removes the feedforward path while simultaneously amplifying the feedback path in the compensation network. Also, the proposed circuit uses only one small compensation capacitor which makes it appropriate regarding die area. The approach...
This paper presents a simple simplification method to design a multistage amplifier. The simplification procedure is based on a defined criterion which mainly related to ignoring negligible terms. In order to verify the validity and accuracy of the exploited method, a complex four‐stage CMOS amplifier is considered. Simplified transfer function and circuit simulator output are compared. According...
Multi‐stage operational amplifiers are considered as basic building blocks in modern electronics since advanced Complementary metal–oxide–semiconductor (CMOS) technology limits exploiting cascode structures due to suffering from low voltage swings and the need of high gain capability. In this regard, an improved and high‐performance three‐stage CMOS amplifier is proposed in this work. The presented...
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