Wave transmission lines and networks – Plural channel systems – Having branched circuits
Reexamination Certificate
2007-03-06
2007-03-06
Takaoka, Dean (Department: 2817)
Wave transmission lines and networks
Plural channel systems
Having branched circuits
C333S112000
Reexamination Certificate
active
10498757
ABSTRACT:
A coupler (10) having a first line (1) and a second line (2) also comprises a resonant structure (3) including a capacitor (5) and an inductor (4). The coupler (10) thus delivers a coupling signal S31that is substantially frequency independent over a frequency domain above the resonance frequency of the resonant structure (3). Also, the signal S31has a high degree of directivity. The coupler (10) can be provided as part of an integrated electronic component, such as a multilayer substrate, a thin-film module or an IC. It can be applied in an electronic device (100) between a power amplifier (101) and an antenna (103). The coupling signal S31will thus be provided to a controlling circuit (102).
REFERENCES:
patent: 3740675 (1973-06-01), Moore et al.
patent: 4121182 (1978-10-01), Makimoto
patent: 4543543 (1985-09-01), Blight et al.
patent: 5818307 (1998-10-01), Ritchie
patent: 1047151 (2000-10-01), None
Matters Marco
Matters-Kammerer Marion Kornelia
Rijks Theodoor Gertrudis Silvester Maria
NXP B.V.
Takaoka Dean
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