Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1988-09-29
1990-12-18
Lee, Benny
Wave transmission lines and networks
Plural channel systems
Having branched circuits
333136, H01P 516
Patent
active
049789333
ABSTRACT:
To an output terminal of a hybrid circuit with output signals mutually phase shifted 90 degrees is connected a half-wave line section while to the second output terminal is connected a low attenuation filtering network having a phase characteristic which is -90 degrees at the center frequency and varies with the frequency like a half-wave line section.
REFERENCES:
patent: 3364430 (1968-01-01), Goodman et al.
patent: 4238766 (1980-12-01), Masuda
patent: 4288766 (1981-09-01), Okita
patent: 4489292 (1984-12-01), Ogawa
patent: 4728792 (1988-02-01), Lampe, Jr.
Aikawa et al., "A New MIC Magic-T Using Coupled Slot Lines", IEEE Trans. on Microwave Theory and Techniques, MTT-28, No. 6, Jun. 1980.
Ahmed Adel A.
Lee Benny
Siemens Telecommunicazioni S.p.A.
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