Tunable operational transconductance amplifier with extremely high linearity over very large input range

Electronics Letters

Volumn 27, Issue 14, 1991, Pages 1254-1255

  Wu, P ^a   Schaumann, R ^a  

^a PORTLAND STATE UNIVERSITY   (United States)

Author keywords

Amplifiers; Circuit design

Indexed keywords

ELECTRONIC CIRCUITS--TUNING; INTEGRATED CIRCUITS, CMOS;

FULLY DIFFERENTIAL TRANSCONDUCTORS; OPERATIONAL TRANSCONDUCTANCE AMPLIFIERS;

AMPLIFIERS, OPERATIONAL;

EID: 0026416011     PISSN: 00135194     EISSN: None     Source Type: Journal    
DOI: 10.1049/el:19910786     Document Type: Article

References (6)

1. Schaumann, R., Ghausi, M., and Laker, K.: ‘Design of analog filters: Passive, active-RC and switched-capacitor’ (Prentice-Hall, New Jersey, 1990)
2. Krummenacher, F., and Joehl, N.: ‘A 4-MHz CMOS continuous-time filter with on-chip automatic tuning’, IEEE J. Solid-State Circuits, 1988, SC-23, pp. 750-758
3. Wang, Z., and Guggenbuehl, W.: ‘A voltage-controllable linear MOS transconductor using bias offset technique’, IEEE J. SolidState Circuits, 1990, SC-25, pp. 315-317
4. Nauta, B., and Seevinck, E.: ‘Linear CMOS transconductance element for VHF filters’, Electron. Lett., 1989, 25, (7), pp. 448-450
5. Szczepanski, S., Schaumann, R., and Wu, P.: ‘A linear transconductor based on crosscoupled CMOS pairs’, Electron. Lett., 1991, 27, (9), pp. 783-785
6. Wu, P., and Schaumann, R.: ‘Improved common-mode feedback circuit suitable for operational transconductance amplifiers with tuning’, Electron. Lett., 1991, 27, (2), pp. 117-118