论文信息 - Analysis and compensation of transistor non-idealities in log-domain wave active filters

Analysis and compensation of transistor non-idealities in log-domain wave active filters

Abstract A very important issue concerning the implementation of log-domain filters in integrated form is the effect of BJT transistor non-idealities. This paper is dealing with the above practical problem in the design of log-domain wave filters. For this purpose, a detailed analysis of the effects of the non-idealities on the frequency behavior of log-domain wave active filters is performed. In addition, a systematic method for compensating the caused imperfections is introduced. The validity of the proposed compensation scheme has been verified through simulation results.

Costas Psychalinos | I. Haritantis | N. Fragoulis

[1] D. R. Frey,et al. Log-domain filtering: An approach to current-mode fil-tering , 1993 .

[2] D. Frey. Exponential state space filters: a generic current mode-design strategy , 1996 .

[3] Gordon W. Roberts,et al. Effects of transistor nonidealities on high-order log-domain ladder filter frequency responses , 2000 .

[4] Costas Psychalinos,et al. Log-domain wave filters , 2004, IEEE Transactions on Circuits and Systems II: Express Briefs.

[5] D. R. Frey. Log domain filtering for RF applications , 1996 .

[6] C. Psychalinos,et al. Compensation of non-idealities in log-domain filters implemented using E cells with NPN transistors , 2004, Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521).

[7] Costas Psychalinos,et al. Modular log-domain filters realized using wave port terminators , 2004, IEEE Transactions on Circuits and Systems I: Regular Papers.

[8] A.H.M. van Roermund,et al. The design of low-noise bandgap references , 1996 .

[9] D. Frey,et al. A Study of Different Class AB Log Domain First Order Filters , 2000 .

[10] Gordon W. Roberts,et al. Analysis and Compensation of Log-Domain Biquadratic Filter Response Deviations due to Transistor Nonidealities , 2000 .

[11] D. R. Frey. Distortion compensation in log-domain filters using state-space techniques , 1999 .