Minimal transistor-only micropower integrated VHF active filter

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Minimal transistor-only micropower integrated VHF active filter

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A minimal integrated filter containing four MOS transistors as the only circuit elements is presented. Voltage tuning is used to set the cutoff frequency and band-edge peaking. A filter test chip occupies an active area of 0006mm2, has acutoff frequency of 40 MHz and dissipates 580W.

Inspec keywords: active filters; field effect integrated circuits; integrated circuit technology

Other keywords: transistor only filter; voltage tuning; 40 MHz; 580 muW; MOS transistors; band-edge peaking; micropower; integrated VHF active filter; filter test chip; active area; cutoff frequency

Subjects: Active filters and other active networks; Other MOS integrated circuits

References

    1. 1)
      • Erratum. IEEE Trans.
    2. 2)
      • Y. Tsividis , M. Banu , J. Khoury . Continuous-time MOSFET-C filters in VLSI. IEEE Trans. , 125 - 140
    3. 3)
      • S.C. Dutta Roy , R.P. Sah . Active distributed RC low-pass filters. Microelectron & Reliab. , 293 - 295
    4. 4)
      • R.M. Wyndrum . Active distributed RC networks. IEEE J. Solid-State Circuits , 308 - 310
    5. 5)
      • J. Khoury , Y. Tsividis , M. Banu . Use of MOS transistor as a tunable distributed RC filter element. Electron. Lett. , 187 - 188
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