A New MOSFET-C Universal Filter Structure for VLSI. Ismail, M., Smith, S., & Beale, R. IEEE Journal of Solid-State Circuits, 1988. abstract bibtex A new continuous-time all-MOS universal filter structure is proposed. The new structure is based on the MOSFET-C design approach. It achieves complete MOS nonlinearity cancellation and does not require the use of fully balanced op amps. General topological requirements that are necessary for the conversion of active-RC prototypes to MOSFET-C counterparts, such that MOS nonlinearity cancellation is achieved, are established. Accordingly, a new universal active-RC prototype filter structure, which meets the necessary requirements, is presented and its MOSFET-C version is developed. Nonideal effects that may degrade the performance at high frequency are discussed and ways for improvement are proposed. Results obtained from a test chip have verified the viability of the proposed structure. The chip is an implementation of a MOSFET-C universal filter in a 3.5-üm CMOS process. The filter is successfully tuned over a wide range of pole frequencies (0 100 kHz) using op amps with a measured gain bandwidth (GB) of only 1.2 MHz. © 1988 IEEE
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abstract = {A new continuous-time all-MOS universal filter structure is proposed. The new structure is based on the MOSFET-C design approach. It achieves complete MOS nonlinearity cancellation and does not require the use of fully balanced op amps. General topological requirements that are necessary for the conversion of active-RC prototypes to MOSFET-C counterparts, such that MOS nonlinearity cancellation is achieved, are established. Accordingly, a new universal active-RC prototype filter structure, which meets the necessary requirements, is presented and its MOSFET-C version is developed. Nonideal effects that may degrade the performance at high frequency are discussed and ways for improvement are proposed. Results obtained from a test chip have verified the viability of the proposed structure. The chip is an implementation of a MOSFET-C universal filter in a 3.5-üm CMOS process. The filter is successfully tuned over a wide range of pole frequencies (0 100 kHz) using op amps with a measured gain bandwidth (GB) of only 1.2 MHz. © 1988 IEEE},
bibtype = {article},
author = {Ismail, M. and Smith, S.V. and Beale, R.G.},
journal = {IEEE Journal of Solid-State Circuits},
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