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Isolated locked hybrid junction power combiner

Isolated locked hybrid junction power combiner

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© The Institution of Electrical Engineers
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The isolated locked hybrid junction power combiner, consisting of a single hybrid junction, appropriate phase-shifting element and circulator, combines three 1-port oscillators (one master oscillator strongly locking the other oscillators). Combiner frequency, noise and locking properties are controlled by the master oscillator, and combining efficiency close to 100%, can be achieved. The combiner can be extended in a modular fashion.

Inspec keywords: phase shifters; solid-state microwave circuits; circulators (microwave); Gunn oscillators; IMPATT diodes

Other keywords: master oscillator; phase shifting element; locking properties; combining efficiency; 1-port oscillators; isolated locked hybrid junction power combiner; circulator

Subjects: Waveguide and microwave transmission line components

References

    1. 1)
      • S. Mizushina . 2n oscillators combined with 3dB directional couplers for output power summing. Proc. IEEE , 2166 - 2167
    2. 2)
      • J.R. Nevarez . Output power and loss analysis of 2n injection locked oscillators combined through an ideal and symmetric hybrid combiner. IEEE Trans. , 1 - 10
    3. 3)
      • J. Nigrin . Locked hybrid junction power combiner. IEEE Trans.
    4. 4)
      • Harp, R.S., Stover, H.L.: `Power combining of X-band impatt circuit modules', IEEE ISSCC, 1973, p. 118–119.
    5. 5)
      • Thim, H.W.: `Active microwave semiconductor devices', Proceedings of 4th European microwave conference, 1974, Montreux, p. 1–15.
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