An inductorless, divide-by-256 fixed-modulus digital frequency divider with programmable input sensitivity, fabricated in 130 nm CMOS bulk process, is presented. Both the absence of inductors and the architecture used allow to obtain a small sized chip. The fabricated frequency divider exhibits two minima in sensitivity at 4.4 GHz and 6.25 GHz consuming about 5.4 mW from a 1.2 V voltage supply. The total active area of the frequency divider is 360umx 115um.
A 130nm CMOS Tunable Digital Frequency Divider for Dual-Band Microwave Radiometer / Dermit, Davide; F., Ducati; D., Balsamo; Lucchi, Paolo; Borgarino, Mattia; G., Jacquemod. - ELETTRONICO. - (2009), pp. 203-206. (Intervento presentato al convegno 2009 16th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2009 tenutosi a Yasmine Hammamet, tun nel 13-16 Dec. 2009) [10.1109/ICECS.2009.5410975].
A 130nm CMOS Tunable Digital Frequency Divider for Dual-Band Microwave Radiometer
DERMIT, Davide;LUCCHI, PAOLO;BORGARINO, Mattia;
2009
Abstract
An inductorless, divide-by-256 fixed-modulus digital frequency divider with programmable input sensitivity, fabricated in 130 nm CMOS bulk process, is presented. Both the absence of inductors and the architecture used allow to obtain a small sized chip. The fabricated frequency divider exhibits two minima in sensitivity at 4.4 GHz and 6.25 GHz consuming about 5.4 mW from a 1.2 V voltage supply. The total active area of the frequency divider is 360umx 115um.
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