Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Patent
1984-06-11
1986-11-18
Laroche, Eugene R.
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
333235, H01P 1203
Patent
active
046238565
ABSTRACT:
A length of transmission line having a plurality of capacitors and a plurality of shorter lengths of transmission line coupled thereto by pin diodes which are individually operable to connect any combination of capacitors and transmission lines to the basic transmission line for changing the center frequency thereof in incremental steps across a desired band of frequencies.
REFERENCES:
patent: 3482178 (1969-12-01), Habian
patent: 3593225 (1971-07-01), Fisher
patent: 4186360 (1980-01-01), Ohashi
patent: 4250475 (1981-02-01), Schwarzmann
patent: 4267538 (1981-05-01), Assal et al.
patent: 4467296 (1984-08-01), Cohen et al.
Bickley Robert H.
Murray Steven A.
LaRoche Eugene R.
Lee Benny
Motorola Inc.
Parsons Eugene A.
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