Title :
Compact low-voltage CMOS analog divider using a four-quadrant multiplier and biasing control circuit
Author :
Padilla-Cantoya, Ivan
Author_Institution :
Dept. de Electron., Sist. e Inf. DESI, Inst. Tecnol. y de Estudios Super. de Occidente ITESO, Tlaquepaque, Mexico
Abstract :
A compact low-voltage analog divider is presented. The design is based on a four-quadrant multiplier and a differential transconductance amplifier as basic building blocks operating in voltage mode. A biasing control circuit to set the dc operational point that requires very few devices and offers continuous-time operation is included. Experimental results of a test chip in 0.5μm CMOS technology verify the proposed operation.
Keywords :
CMOS analogue integrated circuits; differential amplifiers; low-power electronics; voltage dividers; voltage multipliers; DC operational point; biasing control circuit; compact low-voltage CMOS analog divider; continuous-time operation; differential transconductance amplifier design; four-quadrant multiplier design; size 0.5 mum; voltage mode; CMOS integrated circuits; CMOS technology; Impedance; Threshold voltage; Transconductance; Transient response; Transistors;
Conference_Titel :
Circuits and Systems (MWSCAS), 2012 IEEE 55th International Midwest Symposium on
Conference_Location :
Boise, ID
Print_ISBN :
978-1-4673-2526-4
Electronic_ISBN :
1548-3746
DOI :
10.1109/MWSCAS.2012.6292067
