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A Low Cost P-l-N Diode Phase Shifter for Airborne Phased-Array Antennas

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3 Author(s)

This paper presents a description of a p-i-n diode phase shifter that was designed for low cost production for use in X-band phased-array systems. The phase shifter is designed to make maximum use of photoetched circuit components and low cost materials, and is well suited for assembly on a fully automated assembly line. The salient features of this phase shifter are a printed-circuit transmission structure and inexpensive RF connectors that are integrated into the circuit package. The microwave performance characteristics are generally superior to those of equivalent devices; a useful bandwidth of 40 percent with an average insertion loss of 1.6 dB has been demonstrated with 3-bit units.

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IEEE Transactions on Microwave Theory and Techniques  (Volume:22 ,  Issue: 6 )