Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1995-08-24
1998-07-21
Callahan, Timothy P.
Wave transmission lines and networks
Plural channel systems
Having branched circuits
333247, 333246, 333104, 333204, 327565, 327552, H05K 100, H01P 120
Patent
active
057839760
ABSTRACT:
A composite high frequency apparatus includes a high frequency filter and a high frequency switch which have a substantially reduced size and do not require an impedance matching circuit. The apparatus includes a multilayered base having an outer surface with a plurality of diodes, an external ground electrode, an external electrode for a transmission circuit, an external electrode for a receiving circuit, an external electrode for an antenna circuit and external electrodes for control terminals located thereon. A plurality of strip lines, capacitor electrodes and an external grounding electrode are located within the multilayered base.
REFERENCES:
patent: 4353132 (1982-10-01), Saitoh et al.
patent: 4899118 (1990-02-01), Polinski, Sr.
patent: 5255318 (1993-10-01), Gurusami et al.
patent: 5355524 (1994-10-01), Higgins, Jr.
patent: 5450046 (1995-09-01), Kosugi et al.
IEICE Transactions on Electronics; "Microwave Characteristics of Alumina-Glass Composite Multi-Layer Substrates with Co-Fired Copper Conductors" pp. 912-918.
Furutani Koji
Kato Mitsuhide
Nakajima Norio
Tanaka Koji
Tonegawa Ken
Callahan Timothy P.
Le Dinh
Murata Manufacturing Co. Ltd.
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