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A high-frequency fifth order switched-current bilinear elliptic lowpass filter

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2 Author(s)
N. C. Battersby ; Dept. of Electr. & Electron. Eng., Imperial Coll. of Sci., Technol. & Med., London, UK ; C. Toumazou

Design considerations for and measured results of a prototype high-frequency fifth order switched-current bilinear elliptic lowpass filter are presented in this paper. The prototype filter was implemented on a standard 1.2 μm double-metal single-polysilicon CMOS process and occupied a total die area of 1.5 mm2. When clocked at 2 MHz, the filter achieved a passband edge of 350 kHz, a stopband edge of 420 kHz, a passband ripple of 0.6 dB and a minimum stopband attenuation of 26 dB. With a single 5 V power supply the filter consumed 28 mW

Published in:

IEEE Journal of Solid-State Circuits  (Volume:29 ,  Issue: 6 )