Abstract
Background: Researchers have proposed a number of basic building blocks for various electronics applications. The current conveyor trans-conductance amplifier is one of them, which is suitable for linear as well as nonlinear applications of current and voltage mode circuits.
Objective: This paper provides a review of the implementations proposed to date for the same with its applications in analog signal processing. The proposed possible applications of this device are also considered. Methods: Keeping in mind the utility of CCTA in low power VLSI application areas, a number of parameters like power consumption, operating voltage, 3dB bandwidth, trans-conductance, as well as a number of transistors used for implementation and technology are taken into consideration. Results: The results available for all the structures are compared and analyzed to investigate the potential advantages as well as disadvantages of this CCTA block and its limitations. Conclusion: This review concluded with a remark on the best suitable CCTA structure for low power applications and its future possibilities to use.Keywords: Current conveyor transconductance amplifier (CCTA), Bulk-driven (BD), Current mode (CM), Low power, Analog signal processing, Floating Gate (FG).
Graphical Abstract