Wave transmission lines and networks – Coupling networks – Nonreciprocal gyromagnetic type
Reexamination Certificate
2006-03-07
2006-03-07
Jones, Stephen E. (Department: 2817)
Wave transmission lines and networks
Coupling networks
Nonreciprocal gyromagnetic type
C333S001100
Reexamination Certificate
active
07009465
ABSTRACT:
In an isolator, a common electrode is disposed on a first surface of a magnetic plate. On a second surface of the magnetic plate, first, second, and third center conductors are disposed crossing each other. The center conductors have their respective first ends connected to the common electrode, and their respective second ends connected to matching capacitors. Furthermore, the second end of the third center conductor is connected to a terminating resistor. The matching capacitor connected to the third center conductor has a Q factor of 200 or smaller and a capacitance of 18 pF or larger. The matching capacitors connected to the first and second center conductors respectively have Q factors of 400 or larger.
REFERENCES:
patent: 6420941 (2002-07-01), Okada et al.
patent: 1 087 459 (2001-03-01), None
patent: 2 350 238 (2000-11-01), None
Alps Electric Co. ,Ltd.
Jones Stephen E.
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