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A Parasitic Insensitive Transconductance-C Bandpass Filter

Publiceringsår: 1998
Språk: Engelska
Sidor: 34-41
Publikation/Tidskrift/Serie: Proc.of the NORCHIP '98 conference.
Dokumenttyp: Konferensbidrag


This paper presents a monolithic bandpass filter implemented in a 0.8um, double-poly CMOS process. The 6th order, 1dB passband ripple Chebyshev bandpass filter has a 4kHz passband centered around fc = 26kHz, while frequencies lower than fc/2 are suppressed by more than 60dB. The proposed
parasitic insensitive filter architecture is suitable for the implementation of
bandpass filters over a very large range of frequencies.
The bandpass filter is part of a circuit developed for conditioning the signal
of a CMOS-compatible
fluid density sensor.



  • Technology and Engineering



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