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Low phase noise 10 bit 5 GHz DCO using on-chip CPW resonator in 0.18 µm CMOS technology

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5 Author(s)
R. K. Pokharel ; Graduate School of Information Science and Electrical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395 Japan ; K. Uchida ; A. Tomar ; H. Kanaya
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A digital-controlled oscillator (DCO) employing on-chip coplanar waveguide (CPW) resonator is proposed for 5 GHz-band wireless communication applications. A 10 bit DCO using on-chip designed, fabricated and tested. By comparing the measured results on the fabricated chip in 0.18 mum CMOS technology, it has noted that the proposed DCO employing on-chip CPW resonator is smaller in size and frequency-tuning range is higher than LC-DCO. Phase noise and power consumption are comparable.

Published in:

2009 First Asian Himalayas International Conference on Internet

Date of Conference:

3-5 Nov. 2009