A 100 MHz Current Conveyor in 0.35 μm CMOS Technology

Author

Zhou, Lingchuan ; Ayachi, Mohsen ; Blonde, Jean-Philippe ; Braun, Francis

Author_Institution

InESS-ULP, Strasbourg, France

fYear

2007

fDate

24-27 Nov. 2007

Firstpage

297

Lastpage

300

Abstract

In this paper a new 0.35 μm CMOS technology second generation current conveyor (CCII) is presented. It is a low power (60 μA @ ± 1.5 V power supply) circuit, featuring 88 Ã— 100 μm² area, 100 MHz bandwidth and 10 GHz equivalent gain bandwidth (GBW) product. Its static and dynamic characteristics when used both as a voltage and current buffer are described. The chip has been fabricated and tested, and experimental results are discussed. Its use in an application as an instrumentation amplifier (IA) is also presented. The CCII based IA has weaker offset and better CMRR than its voltage mode equivalent. In order to cancel output offset voltage and reduce noise, the IA´s input and output signals are chopped at high frequency.

Keywords

CMOS analogue integrated circuits; current conveyors; instrumentation amplifiers; signal processing equipment; CCII; CMOS technology; bandwidth 100 MHz; current buffer; equivalent gain bandwidth product; instrumentation amplifier; secon generation current conveyor; size 0.35 μm; size 100 μm; size 88 μm; voltage buffer; Bandwidth; CMOS process; CMOS technology; Current mode circuits; Impedance; Instruments; Operational amplifiers; Power supplies; Signal processing; Voltage; CMOS; Chopper stabilized amplifier; Current conveyor; Instrumentation amplifier;

fLanguage

English

Publisher

ieee

Conference_Titel

Signal Processing and Communications, 2007. ICSPC 2007. IEEE International Conference on

Conference_Location

Dubai

Print_ISBN

978-1-4244-1235-8

Electronic_ISBN

978-1-4244-1236-5

Type

conf

DOI

10.1109/ICSPC.2007.4728314

Filename

4728314