Locked hybrid junction power combiner

Details Locked hybrid junction power combiner Locked hybrid junction power combiner

1976-07-21

1977-09-13

Kominski, John

Oscillators

Plural oscillators

Parallel connected

331107R, 333 11, H03B 912

Patent

active

040485838

ABSTRACT:
A locked hybrid junction power combiner comprises in its simplest version a single hybrid junction (0.degree., 180.degree. and 90.degree.) and an appropriate phase shifting element combining three one port oscillators (one master oscillator strongly locking the other oscillators). The combiner can be extended to combine any odd number of oscillators. Combining efficiency approaching 100% and locking figure of merit exceeding that of the master oscillator have been experimentally observed. Isolating the master oscillator from the hybrid by a circulator, the LHJ combiner can generate high microwave powers with spectral purity of the master oscillator; e.g. Impatt diode power capabilities may be combined with Gunn diode spectral purity. The combiner with an ordinary E-H waveguide hybrid junction can be employed to generate ultra-high microwave powers by combining high power tube sources.

REFERENCES:
patent: 2759099 (1956-08-01), Olive
patent: 3714661 (1973-01-01), Kershaw

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