Current Differencing Transconductance Amplifier And Its Applications - Srinivasulu, Avireni;Nagalakshmi, Kannekanti
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Presently there is a growing interest in synthesizing current-mode circuits because of their potential advantages such as larger dynamic range, higher signal bandwidth, greater linearity, simpler circuitry, and low power consumption. In the proposed square-triangular waveform generator circuits, it has better high frequency and less number of passive elements compared to conventional circuits. The performance of CDTA based Schmitt trigger circuits and square-triangular waveform generator circuits are examined using Cadence and the model parameters of a gpdk 180 nm technology. The mathematical…mehr

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Produktbeschreibung
Presently there is a growing interest in synthesizing current-mode circuits because of their potential advantages such as larger dynamic range, higher signal bandwidth, greater linearity, simpler circuitry, and low power consumption. In the proposed square-triangular waveform generator circuits, it has better high frequency and less number of passive elements compared to conventional circuits. The performance of CDTA based Schmitt trigger circuits and square-triangular waveform generator circuits are examined using Cadence and the model parameters of a gpdk 180 nm technology. The mathematical expressions obtained for the proposed circuits have been verified with Cadence simulation. Later, the two square-triangular waveform generator circuits were built using commercially available Current Feedback Operational Amplifier (AD844 AN) and Operational Transconductance Amplifier (LM13600) on a breadboard in a laboratory and two grounded passive components are used externally and tested for waveform generation. The results obtained demonstrate in good agreement with the theoretical values.
Autorenporträt
Srinivasulu, Avireni
Dr. Avireni.S was born in Thurimella, India. He received the B.Tech degree from Sri Venkateswara University, Tirupati in 1986, M.E, degree from Gulbarga University, Gulbarga in 1991, M.S, degree from BITS-Pilani in 1998 and Ph.D, degree in ECE (VLSI Design) from Birla Institute of Technology, Mesra, in 2010. He has 31 years of teaching experience.