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A New Concept of Differential-Difference Amplifier and Its Application Examples for Mixed Analog/Digital VLSI Systems
Zdzislaw CZARNUL Tetsuya IIDA
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/03/25
Print ISSN: 0916-8508
Type of Manuscript: Special Section PAPER (Special Section of Selected Papers from the 7th Karuizawa Workshop on Circuits and Systems)
Category: VLSI Design Technology and CAD
analog/digital circuits, low voltage supply, integrated circuits, filters, integrators, frequency and offset compensation techniques, programmable amplifiers, neural nets,
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This paper discusses a CMOS differential-difference amplifier circuit suitable for low voltage operation. A new multiple weighted input transconductor circuit structure is suggested to be use in DDA implementation. The proposed DDA can be employed in several analog/digital systems to improve their parameters. Selected examples of the proposed transconductor/DDA applications are also discussed.