Affiliation:
1. College of Information Science and Engineering, Hunan University, Changsha 410082, P. R. China
Abstract
In this paper, a new active current-mode (CM) minimal component, cascaded current differencing unit (CCDU) and a CM nth-order filter based on the CCDU have been presented. The proposed CCDU simplifies the design of the CM nth-order filter circuit considerably. The proposed nth-order circuit, which adopts only an active component and n grounded capacitors, can simultaneously realize low-pass (LP), band-pass (BP) and high-pass (HP) filter responses. It enjoys the simple configuration and is suitable for integrated circuit (IC) fabrication. PSPICE simulations and experimental tests for CM third-order filter based on this structure have also been conducted and the results have good agreement with the theoretical analysis.
Funder
Hunan Province natural science foundation of China
Open Fund Project of innovation platform in Hunan Universities
Publisher
World Scientific Pub Co Pte Lt
Subject
Electrical and Electronic Engineering,Hardware and Architecture,Electrical and Electronic Engineering,Hardware and Architecture
Cited by
3 articles.
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1. Electronically tunable mixed-mode third-order universal filter using a single EX-CCCII;Australian Journal of Electrical and Electronics Engineering;2022-02-18
2. Nth order current mode universal filter using MOCCCIIs;Analog Integrated Circuits and Signal Processing;2018-02-15
3. Design of Configurable gm−C Biquadratic Filter;Journal of Circuits, Systems and Computers;2016-11-21