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Differential difference current conveyor transconductance amplifier: A new analog building block for signal processing

Journal of Electrical and Computer Engineering (2011)
DOI: 10.1155/2011/361384
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Abstract

A new active building block for analog signal processing, namely, differential difference current conveyor transconductance amplifier (DDCCTA), is presented, and performance is checked through PSPICE simulations which show the usability of the proposed element is up to 201MHz. The proposed block is implemented using 0.25m TSMC CMOS technology. Some of the applications are presented using the proposed DDCCTA, namely, a voltage mode multifunction filter, a current mode universal filter, an oscillator, current and voltage amplifiers, and grounded inductor simulator. The feasibility of DDCCTA and its applications is confirmed via PSPICE simulations. © 2011 Neeta Pandey and Sajal K. Paul.

Figures

  • Figure 1: Circuit symbol of the proposed DDCCTA.
  • Figure 2: DDCCTA implementation.
  • Figure 3: DC transfer characteristic for voltage transfer from (a) Y1 port to X port, (b) Y2 port to X port, and (c) Y3 port to X port.
  • Figure 4: DC transfer characteristic for current transfer from X port to Z1+ and Z2+ ports.
  • Table 1: Aspect ratio of various transistors
  • Figure 5: Variation of transconductance with bias current.
  • Figure 7: Simulated responses of the proposed voltage mode filter.
  • Figure 8: Current mode universal filter.

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CITATION STYLE

APA

Pandey, N., & Paul, S. K. (2011). Differential difference current conveyor transconductance amplifier: A new analog building block for signal processing. Journal of Electrical and Computer Engineering. https://doi.org/10.1155/2011/361384

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