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Ka-band MMIC beam-steered transmitter array

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5 Author(s)
D. L. Rascoe ; Jet Propulsion Lab., California Inst. of Technol., Pasadena, CA, USA ; A. L. Riley ; J. Huang ; V. Lubecke
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The authors describe the design and testing of a 32-GHz six-element linear transmitter array utilizing monolithic-microwave-integrated-circuit (MMIC) phase shifters and power amplifiers for a spacecraft array feed for NASA deep-space communication applications. Performance results for individual phase shifters, power amplifiers, and microstrip radiators are reported, and electronic beam steering of the linear array is demonstrated. The array has a beam width of 7.5° and demonstrates acceptable beam steering over ±8°, which is adequate for the future two-dimensional array

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IEEE Transactions on Microwave Theory and Techniques  (Volume:37 ,  Issue: 12 )