Circuits and methods for implementing transformer-coupled...

Amplifiers – With semiconductor amplifying device – Including frequency-responsive means in the signal...

Reexamination Certificate

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C330S307000, C330S165000

Reexamination Certificate

active

07459981

ABSTRACT:
Circuits and methods are provided for building integrated transformer-coupled amplifiers with on-chip transformers that are designed to resonate or otherwise tune parasitic capacitances to achieve frequency tuning of amplifiers at millimeter wave operating frequencies.

REFERENCES:
patent: 6784732 (2004-08-01), Hajimiri et al.
patent: 6922108 (2005-07-01), Lin
patent: 7003007 (2006-02-01), Murata et al.
patent: 7110742 (2006-09-01), Roufoogaran
patent: 7355479 (2008-04-01), Van Der Heijden
patent: 2007/0287403 (2007-12-01), Sjoland

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