Transimpedance type MOS-C bandpass analog filter core circuits


In this paper, we present six area-efficient transimpedance type second-order analog filters. There are many applications where the available signal is current, however the necessary signal for further processing is voltage type. For such applications the presented circuits will be a useful solution. The technique employed is called MOS-only technique and to the best of our knowledge this is the first attempt to implement transimpedance type filters with MOS-only technique. Starting from the core circuit biasing is illustrated and the functionality is shown with LT SPICE simulations using TSMC 0.18u technology parameters. From six core circuits one circuit is selected and the design is completed for illustration purpose.

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Correspondence to Ismail Cevik.

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Cevik, I., Metin, B., Herencsar, N. et al. Transimpedance type MOS-C bandpass analog filter core circuits. Analog Integr Circ Sig Process (2021).

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  • MOS only filter
  • MOS-C filter
  • Band pass filter
  • Transimpedence filter
  • Analog filter