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- Title
New Universal Current-mode Biquad Using Only Three ZC-CFTAs.
- Authors
Singh, Bhopendra; Singh, Abdhesh Kumar; Senani, Raj
- Abstract
The objective of this paper is to present a new universal current-mode biquad capable of providing all the .five basic filter functions, namely, low pass (LP), band pass (BP), high pass (HP), band reject (BR) and all pass (AP) from the same configuration using only three Z - copy current follower transconductance amplifiers (ZC-CFTA) along with the provision of independent electronic tunability of the filter parameters COo and Qo (or bandwidth) through two separate DC bias currents while employing both grounded capacitors as desirable for integrated circuit implementation. The workability of the proposed structure is verified by PSPICE simulations based on CMOS implementation of the ZC-CFTA.
- Subjects
ELECTRONIC amplifiers; BANDWIDTHS; COMPLEMENTARY metal oxide semiconductors; SIMULATION methods &; models; ELECTRIC filters; DIRECT currents
- Publication
Radioengineering, 2012, Vol 21, Issue 1, p273
- ISSN
1210-2512
- Publication type
Article