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This paper presents a novel compensation scheme for two-stage CMOS operational amplifiers. The proposed solution is based on voltage-buffer compensation, but uses a gain stage in the feedback compensation path. An additional degree of freedom is introduced and a wider separation of the first two poles is achieved. A compensation procedure is proposed to benefit from these advantages. The proposed...
This paper studies the design of standard CMOS two-stage operational amplifiers under power consumption and area constraints. The focus of the work is unity-gain bandwidth optimization, which is achieved by means of a procedure based on numerical analysis that allows determining the optimum sizing of op-amp transistors and the compensation capacitance as well as the best splitting of the allowed bias...
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