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A 130nm CMOS tunable digital frequency divider for dual-band microwave radiometer

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6 Author(s)
Davide Dermit ; Department of Information Engineering, University of Modena and Reggio Emilia, Via Vignolese, 905 - I-41125 - Italy ; Fabio Ducati ; Domenico Balsamo ; Paolo Lucchi
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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 360 × 115 ¿m2.

Published in:

Electronics, Circuits, and Systems, 2009. ICECS 2009. 16th IEEE International Conference on

Date of Conference:

13-16 Dec. 2009