On-chip differential inductor and applications thereof

Details On-chip differential inductor and applications thereof On-chip differential inductor and applications thereof

2006-05-02

2006-05-02

Maung, Nay (Department: 2684)

Telecommunications

Receiver or analog modulated signal frequency converter

With wave collector

C455S296000, C336S200000

Reexamination Certificate

active

07039381

ABSTRACT:
An on-chip differential inductor includes a 1stinterwound winding having a substantially octagonal shape, or rectangular octagonal shape, and a 2ndinterwound winding having a substantially octagonal shape, or rectangular octagonal shape, that is interwound with the 1stinterwound winding. Both the 1stand 2ndinterwound windings are on the same layer of the integrated circuit. Each interwound winding includes two nodes; one of node of each winding is commonly coupled to a reference potential. The other node of each winding is operably coupled to receive a respective leg of a differential signal.

REFERENCES:
patent: 6476704 (2002-11-01), Goff
patent: 6707367 (2004-03-01), Castaneda et al.
patent: 6885275 (2005-04-01), Chang
Danesh, “A Q-Factor enhancement technique for MMIC inductors”, IEEE MTT-S Digest, pp. 183-186, Jun. 1998.
Behzad Razavi, “RF Microelectronics”, Prentice Hall Communications Engineering and Emerging Technologies Series, Theodore S. Rappaport, Series Editor 1998, A Simon & Schuster Company, Upper Saddle River, NJ 07458.

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