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An ultra low-power, high linearity, wide swing, current sample-and-hold circuit is presented. The proposed circuit employs negative feedback, provides very low switching error and allows for class-AB operation. Sub-threshold CMOS devices are employed to realize all circuit building blocks which leads to ultra low power consumption and large dynamic range. Operating from a 0.65V supply, simulation...
Noise performance of the switched source follower (SSF) track and hold (T/H) circuit is analyzed. Approximate expressions for the output noise of the track mode and hold mode of the T/H circuit are derived respectively. Simulations based on a commercial available 65 nm process technology are implemented with the SpectreRF circuit simulator. It is shown that the noise contribution from the parasitic...
This paper deals with the challenges in the design of millimeter-wave CMOS radios and describes circuit and architecture techniques that lead to compact, low-power transceivers. Candidate topologies for building blocks such as low-noise amplifiers, mixers, oscillators, and frequency dividers are presented. Also, a number of radio architectures that relax the generation, division, and distribution...
While the CMOS analog circuits can be designed with the minimum-gate-length of the fabrication process in the alpha-power law MOSFET model, the length of a MOSFET gate has been chosen to be a larger scale than the minimum-gate-length in the conventional Shockleypsilas square model. In this paper, we describe a 6-b 100 MSPS CMOS current steering digital-to-analog converter (DAC) with the alpha-power...
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