Impact of Technology Scaling on Second Generation Current Conveyors

— Recent advances in the technologies of ICs have highlighted the usefulness of the attractive and elegant current-mode circuit solutions in a large number of signal processing applications. This paper discusses effect of scaling two different CCII circuits: one is based on current mirrors, and second is based on a differential pair. The authors have simulated above two configurations using different process technologies: AMS 0.5µm CMOS technology, TSMC 0.35µm CMOS technology and TSMC 0.25µm CMOS technology and the results are also tabulated for comparison. The authors have measured terminal impedances, gain, bandwidth and offset using Eldo SPICE tool.

[1]  Sergio Franco.  Analytical foundations of current-feedback amplifiers , 1993, 1993 IEEE International Symposium on Circuits and Systems.

[2]  Giuseppe Ferri,et al.  Low-Voltage Low-Power CMOS Current Conveyors , 2003 .

[3]  G. Pearce,et al.  Analogue IC Design: the Current Mode Approach , 1992 .

[4]  Mehmet Sagbas,et al.  Electronically tunable current-mode second-order universal filter using minimum elements , 2004 .

[5]  Ahmed M. Soliman,et al.  New CMOS realization of the CCII , 1999 .

[6]  Alan F. Murray,et al.  Proceedings - IEEE International Symposium on Circuits and Systems , 2006 .

[7]  Gaetano Palumbo,et al.  CMOS current amplifiers , 1999 .

[8]  Wouter A. Serdijn.  Low-Voltage Low-Power Analog Integrated Circuits , 1995 .

[9]  N.B. El Feki,et al.  Optimization of a rail to rail low voltage CCII for active filter applications , 2008, 2008 3rd International Conference on Design and Technology of Integrated Systems in Nanoscale Era.

[10]  Gaetano Palumbo,et al.  Current-feedback amplifiers versus voltage operational amplifiers , 2001 .

[11]  Herve Barthelemy,et al.  A 1.5 V CCII-based tunable oscillator for portable industrial applications , 2002, Industrial Electronics, 2002. ISIE 2002. Proceedings of the 2002 IEEE International Symposium on.

[12]  Derek F. Bowers.  Applying 'Current Feedback' to Voltage Amplifiers , 1993 .

[13]  Ahmed M. Soliman.  Applications of the current feedback operational amplifiers , 1996 .

[14]  Kenneth C. Smith,et al.  The current conveyor—A new circuit building block , 1968 .

[15]  B. Wilson,et al.  Recent developments in current conveyors and current-mode circuits , 1990 .

[16]  A. Arbel,et al.  Output stage for current-mode feedback amplifiers, theory and applications , 1992 .