Programmable multi-gain current amplifier

Author(s): H. Alzaher ; O. Alees ; N. Tasadduq
DOI: 10.1049/iet-cds.2012.0086

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Author(s): H. Alzaher ¹ ; O. Alees ¹ ; N. Tasadduq ¹
- Affiliations: 1: Electrical Engineering Department, King Fahd University of Petroleum and Minerals (KFUPM), Dhahran, Saudi Arabia
Source: Volume 6, Issue 6, November 2012, p. 421 – 428
DOI: 10.1049/iet-cds.2012.0086 , Print ISSN 1751-858X, Online ISSN 1751-8598

A novel multi-output current amplifier exhibiting independent electronically controllable gains is proposed. The new device provides a cost-efficient and low-power solution to filter designs. While multi-output devices are often employed to reduce active components within the filters, the proposed device conserves the independent tuning characteristics. Current-mode two-integrator-loop filter topologies are considered as the demonstrating examples. The experimental results obtained from a 0.18 µm complementary metal oxide semiconductor (CMOS) process are provided.

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Programmable multi-gain current amplifier

Programmable multi-gain current amplifier

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