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Mixed-mode QPSK demodulator for home networking applications

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4 Author(s)
Kim, D. ; Dept. of Electr. & Electron. Eng., Yonsei Univ., Seoul, South Korea ; Ko, M. ; Choi, K.-C. ; Choi, W.-Y.

A mixed-mode QPSK demodulator for home networking application is demonstrated. The target application is high-bandwidth data transmission through the CATV line at home. A prototype chip realised by a 0.18 m CMOS process can demodulate 1 Gbit/s QPSK data with 1.7 GHz carrier frequency in a 20 m CATV line link. It consumes 20.8 mW from an 1.8 V power supply while the area is 170 × 200 μm2.

Published in:

Electronics Letters  (Volume:47 ,  Issue: 2 )

Date of Publication:

January 2011

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