A 500-KW X-BAND AIR-COOLED FERRITE LATCHING SWITCH.
ARMY ELECTRONICS COMMAND FORT MONMOUTH N J
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The design of a high-power air-cooled microwave SPDT switch which is capable of operation at peak and average power levels of 500 kW and 666 W respectively is described. The unit is of a differential phase shift circulator design employing 90 degrees nonreciprocal phase shift elements which are forced air cooled. The phase shifter design employs dual ferrite toroids, floating in reduced height RG-51 waveguide. Two approaches are compared for heat sinking the phase shifter namely, the H-beam and the I-beam configurations. The results obtained indicate that the I-beam configuration is superior to the H-beam configuration. The switch exhibits an insertion loss of 0.6-dB maximum and isolation greater than 20 dB over a 100-MHz bandwidth centered at 9.375 GHz. The input VSWR of the switch over the frequency band is less than 1.281. Author
- Electrical and Electronic Equipment