A Switched-Capacitor RF Front End With Embedded Programmable High-Order Filtering

@article{Xu2016ASR,
  title={A Switched-Capacitor RF Front End With Embedded Programmable High-Order Filtering},
  author={Yang Xu and Peter R. Kinget},
  journal={IEEE Journal of Solid-State Circuits},
  year={2016},
  volume={51},
  pages={1154-1167}
}
We propose a switched-capacitor radio-frequency (RF) front end achieving an equivalent high-order, tunable, highly linear RF filtering to improve the out-of-band (OB) blocker tolerance. RF input impedance matching, N-path filtering, high-order discrete-time infinite-impulse response (IIR) filtering, and down-conversion are implemented using only switches and capacitors in a 0.1-0.7 GHz prototype with tunable center frequency, programmable filter order, and very high tolerance for OB blockers… CONTINUE READING
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