Cascode Amplifiers with Low-Gain Variability using Body-Biasing Temperature and Supply Compensation

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Abstract

This paper presents a simple circuit technique to reduce gain variability with temperature in cascode amplifiers using a body-biasing scheme, and at the same time, enhance the overall gain of the amplifier. Simulation results of a standard telescopic-cascode amplifier, in two different nanoscale CMOS technologies (130 nm and 65 nm) show that it is possible to obtain supply-and-temperature-compensation. The simulated DC gain has low variability (below ± 0.5 dB) while it is enhanced by 3 dB. The required auxiliary biasing circuit dissipates less than 5% of the main amplifier circuit.
Original languageUnknown
Title of host publicationMixed Design of Integrated Circuits and Systems (MIXDES)
Pages211-215
Publication statusPublished - 1 Jan 2013
Event20th Int. Conf. Mixed Design of Integrated Circuits and Systems (MIXDES’13) -
Duration: 1 Jan 2013 → …

Conference

Conference20th Int. Conf. Mixed Design of Integrated Circuits and Systems (MIXDES’13)
Period1/01/13 → …

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