Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1980-09-15
1982-05-04
Gensler, Paul L.
Wave transmission lines and networks
Plural channel systems
Having branched circuits
333246, H01P 516
Patent
active
043284710
ABSTRACT:
A microwave power combiner/divider is matched internally and has increased bandwidth. A microwave integrated circuit disk within the housing has high impedance radially directed quarter-wavelength lines to obtain an impedance match for the desired mode at the centered coaxial port. Bridging half-wavelength lines between adjacent peripheral ports match the undesired mode and connect to absorbing resistors; these lines also provide bandwidth compensation. The housing has an annular shield with an opening near the centered coaxial line to provide a high choke impedance.
REFERENCES:
patent: 4129839 (1978-12-01), Galani et al.
patent: 4234854 (1980-11-01), Schellenberg et al.
Lange, Jr. et al., A Y to .DELTA. Transformation of a Three-Way Hybrid Junction, IEEE Trans. on MTT, Oct. 1969, pp. 789-790.
Cohn et al., A 10 Watt Broadband FET Combiner/Amplifier, 1979 IEEE MTT-S Symposium Digest, pp. 292-297.
Quine et al., MIC Power Combiners for FET Amplifiers, Proc. of Ninth European Conf., Brighton, Eng., Sep. 17-20, 1979, pp. 66-664.
Campbell Donald R.
Davis Jr. James C.
General Electric Company
Gensler Paul L.
Snyder Marvin
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