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Waveguide Junctions - Continued | Up
Neets Module 11-Microwave Principles | Next
Ferrite Devices |
1-56
Figure 1-70.—Magic-T impedance matching.
HYBRID RING.—A type of hybrid junction that overcomes the power limitation of the magic-T is
the hybrid ring, also called a RAT RACE. The hybrid ring, illustrated in figure 1-71A, is actually a
modification of the magic-T. It is constructed of rectangular waveguides molded into a circular pattern.
The arms are joined to the circular waveguide to form E-type T junctions. Figure 1-71B shows, in
wavelengths, the dimensions required for a hybrid ring to operate properly.
Figure 1-71A.—Hybrid ring with wavelength measurements.
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