Multi-segment primary and multi-turn secondary transformer...

Details Multi-segment primary and multi-turn secondary transformer... Multi-segment primary and multi-turn secondary transformer...

2008-01-03

2009-08-18

Choe, Henry K (Department: 2817)

Amplifiers

Output networks

Transformer coupled

C330S165000

Reexamination Certificate

active

07576607

ABSTRACT:
Embodiments of the invention may provide for power amplifier systems and methods. The systems and methods may include a power amplifier that generates a first differential output signal and a second differential output signal, a primary winding comprised of a plurality of primary segments, where a first end of each primary segment is connected to a first common input port and a second end of each primary segment is connected to a second common input port, where the first common input port is operative to receive the first differential output signal, and where the second common input port is operative to receive the second differential output signal, and a single secondary winding inductively coupled to the plurality of primary segments.

REFERENCES:
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patent: 4994760 (1991-02-01), Roehrs
patent: 5091703 (1992-02-01), Schenk
patent: 5543773 (1996-08-01), Evans et al.
patent: 6577219 (2003-06-01), Visser
patent: 6731166 (2004-05-01), Sabouri et al.
patent: 6737916 (2004-05-01), Luu
patent: 6885275 (2005-04-01), Chang
patent: 2008/0284553 (2008-11-01), Lim et al.
patent: 2445677 (2008-07-01), None
Combined Search and Examination Report dated Apr. 30, 2009 for Application No. GB0823679.6.

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