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Title: A fifth-order 20-MHz transistorized-LC-ladder LPF with 58.2-dB SFDR, 68-μW/Pole/MHz efficiency and 0.13-mm2 die size in 90-nm CMOS
Authors: Mak, Pui In (麥沛然)
Issue Date: Jan-2013
Publisher: IEEE
Citation: IEEE Transactions on Circuits and Systems – II, Jan. 2013, v. 60, no.1, p. 11-15
Abstract: A novel transistorized-LC-ladder low-pass filter(LPF) is realized by combining source followers with Q-enhanced floating differential active inductors. It features a small numberof active devices to minimize the sources of nonlinearity and noise and a robust frequency response against process variations and device mismatches. A fifth-order 20-MHz LPF prototype isfabricated in 90-nm CMOS. It measures a 58.2-dB spurious-free dynamic range with 6.8 mW of power, which corresponds to a selectivity efficiency of 68-μW/pole/MHz favorably comparable with the state of the art. The die size is merely 0.13 mm2
ISSN: 1549-7747
Keywords: Lowpass filter (LPF)
Active inductor
Continuous time
Floating differential active inductor (FDAI)
Source follower (SF)
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Appears in Collections:ECE Journal Articles

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