S. K. Gupta, B. Kumar, Y. Venkateswarlu, B. Geetha, R. Govindan, M. Sumathy, C. N. Murthy, M. Santra, S. Reddy
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Design, Development and RF characterization of a Coupledcavity Slow-wave Structure for mm-wave TWT
Design, development and RF characterization of a staggered double slot coupled-cavity slow-wave structure at mm-wave band is presented in this paper. Design is carried out using commercially available microwave circuit simulation software CST-Microwave studio. A typical structure had fabricated at Ka-band and cold test measurement was carried out for the RF parameters such as dispersion and interaction impedance characteristics and the results were compared against numerical simulation which shows close agreement.