Thin film balun

Details Thin film balun Thin film balun

2009-08-05

2011-12-27

Takaoka, Dean O (Department: 2817)

Wave transmission lines and networks

Coupling networks

Balanced to unbalanced circuits

C333S246000

Reexamination Certificate

active

08085111

ABSTRACT:
A thin film balun includes: an unbalanced transmission line which includes two coils; a balanced transmission line which includes two coils and is electromagnetically coupled to the unbalanced transmission line; a capacitor having one end connected to the balanced transmission line; and a ground terminal connected to the other end of the capacitor. The capacitor is disposed in a region which does not overlap a coil included in the unbalanced transmission line and a coil included in the balanced transmission line.

REFERENCES:
patent: 6683510 (2004-01-01), Padilla
patent: 7256663 (2007-08-01), Yasuda et al.
patent: 7629860 (2009-12-01), Liu et al.
patent: 7663448 (2010-02-01), Harada et al.
patent: 7800465 (2010-09-01), Kimura et al.
patent: 2009/0237176 (2009-09-01), Endo
patent: 2011/0012690 (2011-01-01), Endo
patent: B2-3780414 (2006-05-01), None

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