Voltage-mode MOSFET-C filters using operational transresistance amplifiers(OTRAs) with reduced parasitic capacitance effect

Authors
Chen, JJ Tsao, HW Liu, SI
Citation
Jj. Chen et al., Voltage-mode MOSFET-C filters using operational transresistance amplifiers(OTRAs) with reduced parasitic capacitance effect, IEE P-CIRC, 148(5), 2001, pp. 242-249
Citations number
7
Categorie Soggetti
Eletrical & Eletronics Engineeing
Journal title
IEE PROCEEDINGS-CIRCUITS DEVICES AND SYSTEMS
ISSN journal
13502409 → ACNP
Volume
148
Issue
5
Year of publication
2001
Pages
242 - 249
Database
ISI
SICI code
1350-2409(200110)148:5<242:VMFUOT>2.0.ZU;2-A
Abstract
The MOSFET-C integrator with reduced parasitic capacitance effect using ope rational transresistance amplifiers is proposed and experimental results ar e demonstrated. The bandwidths of these circuits are independent of their g ains. The required capacitors are smaller than those described in previous work. Two new configurations of universal biquad filters based on these cir cuits are presented. A second-order bandpass filter, constructed using univ ersal biquad filters, and a third-order Chebyshev lowpass filter, with 1dB passband ripple. are breadboarded. Measured results are presented.