A 1V 4.2mW fully integrated 2.5Gb/s CMOS limiting amplifier using folded active inductors

Author

Wu, Chia-Hsin ; Liao, Jieh-Wei ; Liu, Shen-Iuan

Author_Institution

Dept. of Electr. Eng. & Graduate Sch. of Electron. Eng., Nat. Taiwan Univ., Taipei, Taiwan

Volume

1

fYear

2004

fDate

23-26 May 2004

Abstract

A 1V 4.2mW fully integrated 2.5Gb/s CMOS limiting amplifier is presented in this paper. Without any voltage boosting technique, this amplifier can work well as low as 1V supply voltage and is attributed to utilize folded active inductors. The folded active inductor not only consumes lower voltage headroom but also is area-efficient, compared to the conventional active and on-chip inductors, respectively. This work with the offset-canceling network has been implemented in a 0.25μm CMOS process and occupies only 0.12mm². Measured performance shows 1.75GHz bandwidth with 39.9dB differential gain, and the power consumption is only about 4.2mW excluding the power consumption of the output buffer.

Keywords

CMOS analogue integrated circuits; amplifiers; limiters; 0.25 micron; 1 V; 1.75 GHz; 39.9 dB; 4.2 mW; CMOS limiting amplifier; CMOS process; folded active inductors; offset-canceling network; on-chip inductors; output buffer; power consumption; voltage boosting technique; voltage headroom; Active inductors; Bandwidth; CMOS process; Circuits; Energy consumption; Optical amplifiers; Optical buffering; Optical receivers; Shunt (electrical); Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Circuits and Systems, 2004. ISCAS '04. Proceedings of the 2004 International Symposium on

Print_ISBN

0-7803-8251-X

Type

conf

DOI

10.1109/ISCAS.2004.1328377

Filename

1328377