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An area-efficient programmable switched-capacitor-based peak detector (PD) is presented. A programmable switched-capacitor resistor (SCR) is used to replace the small discharging current source in the conventional PD. The SCR can be programmable from megohms to gigaohms to ensure that the proposed PD works properly and achieves small detection errors over a wide input frequency range. The proposed...
A feedback topology, improving the performance of injection locked frequency dividers (ILFDs) in terms of locking range and supply rejection, is presented. The locking range is improved by 60% compared with conventional designs. The proposed ILFD can work robustly with supply rejection since the self-resonant frequency of the proposed ILFDs is independent of the input DC voltage. Fabricated in a standard...
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