CCII-based continuous-time filters with reduced gain-bandwidth sensitivity
Journal
IEE proceedings. Part G. Electronic circuits and systems
Journal Volume
138
Journal Issue
2
Pages
210-216
Date Issued
1991
Author(s)
Abstract
Some new MOSFET-C integrators and CMOS current conveyors for realisations of the ladder filters are proposed. These integrators require smaller capacitance than with those currently used. The integrators also provide a better high-frequency performance in terms of gain and phase error responses. A sixth-order bandpass ladder filter, with 460 KHz centre frequency, 0.5 dB ripple, and ripple bandwidth 120 KHz, is designed and simulated. A third-order lowpass filter, with 2 dB ripple and 50 KHz ripple bandwidth, is experimentally demonstrated. The results reported in the paper will be useful in the realisation of high-frequency integrated continuous-time filters.
Other Subjects
Electronic circuits, Integrating; Semiconductor devices, MOSFET; Signal filtering and prediction; Signal processing; CMOS Current Conveyors; Continuous Time Filters; Gain Bandwidth Sensitivity; Ladder Filters; MOSFET-C Integrators; Second Generation Current Conveyors (CCII); Electric filters
Type
journal article