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        A wideband linear tunable CDTA and its application in field programmable analogue array

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        Author
        Hu, Zhenhua
        Wang, Chunhua
        Sun, Jingru
        Sun, Yichuang
        Jin, Jie
        Attention
        2299/21159
        Abstract
        In this paper, a NMOS-based wideband low power and linear tunable transconductance current differencing transconductance amplifier (CDTA) is presented. Based on the NMOS CDTA, a novel simple and easily reconfigurable configurable analogue block (CAB) is designed. Moreover, using the novel CAB, a simple and versatile butterfly-shaped FPAA structure is introduced. The FPAA consists of six identical CABs, and it could realize six order current-mode low pass filter, second order current-mode universal filter, current-mode quadrature oscillator, current-mode multi-phase oscillator and current-mode multiplier for analog signal processing. The Cadence IC Design Tools 5.1.41 post-layout simulation and measurement results are included to confirm the theory.
        Publication date
        2016-09-01
        Published in
        Analog Integrated Circuits and Signal Processing
        Published version
        https://doi.org/10.1007/s10470-016-0772-7
        Other links
        http://hdl.handle.net/2299/21159
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