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In this paper, the power analysis and optimization are presented to aid the design of the pipeline analog-to-digital converters (ADC's). The dependency of the power dissipation on the main specifications of the analog-to-digital converters including the signal-to-noise ratio (SNR), the sampling rate, the power supply voltage, the effective stage resolutions, and the scaling index of the sampling capacitors...
Novel implementation techniques, such as the use of direct-charge-transfer stage, noise coupling, and dynamic element matching can improve the performance of wideband ADCs. However, they introduce extra loop delay, which compromises the low-distortion property and even the loop stability. This paper shows how the addition of independent feedback and feed-forward branches to the loop...
A reconfigurable dual-band low noise amplifier (LNA) for 3.4-3.6 GHz IMT-Advanced and 4.2-4.8 GHz UWB systems is presented in this paper. Two different input matching networks with source-inductive-degeneration cascode configuration are used to switch at two different frequency bands. The parallel capacitors between the input MOSFETs' gate and source are used to optimize noise factor of the LNA. The...
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