Programmable voltage-to-current converter with linear voltage control resistor

Author

Huang, Hong Wei ; Hsieh, Wei Lun ; Chen, Ke Horng

Author_Institution

RichTek Technol. Corp., Hsinchu

fYear

2008

fDate

18-21 May 2008

Firstpage

2310

Lastpage

2313

Abstract

A programmable voltage-to-current converter with linear voltage control resistor (VCR) is presented in this paper. It uses a cascoded flipped voltage follower (CASFVF) to be the input stage in order to enhance the response time and accuracy. Programmability is achieved by using the control signal V_ctrl to adjust the equivalent resistance of VCR. Simulation results in 0.25-mum CMOS technology demonstrate the high linearity of the proposed voltage-to-current converter and VCR circuit.

Keywords

CMOS logic circuits; convertors; operational amplifiers; programmable logic devices; resistors; CMOS technology; VCR electrical resistance; cascoded flipped voltage follower; control signal; linear voltage control resistor; programmable voltage-to-current converter; size 0.25 mum; CMOS technology; Circuits; Delay; Impedance; Linearity; Mirrors; Power dissipation; Resistors; Video recording; Voltage control; Flipped voltage follower; V-I converter; floating-gate technique; voltage control resistor;

fLanguage

English

Publisher

ieee

Conference_Titel

Circuits and Systems, 2008. ISCAS 2008. IEEE International Symposium on

Conference_Location

Seattle, WA

Print_ISBN

978-1-4244-1683-7

Electronic_ISBN

978-1-4244-1684-4

Type

conf

DOI

10.1109/ISCAS.2008.4541916

Filename

4541916