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Progress In Electromagnetics Research
ISSN: 1070-4698, E-ISSN: 1559-8985
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DESIGN AND CHARACTERIZATION OF A W-BAND POWER-COMBINED FREQUENCY TRIPLER FOR HIGH-POWER AND BROADBAND OPERATION

By Z. Chen and J. Xu

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Abstract:
We report on the design, simulation and characterization of a solid-state W-band in-phase power-combined frequency tripler. In order to increase the output power of the frequency tripler without sacrificing efficiency and bandwidth, two mirror-image tripler circuits with four UMS® Schottky varistor diode chips are designed and mounted in a waveguide block, which includes a compact double-probe power divider at the input waveguide and a Y-junction power combiner at the output waveguide, respectively. Each circuit chip features four anodes on a 50 mil thick Rogers RT/duroid 5880 substrate. The tripler has 1.2~3.8 % conversion efficiency measured across the 75~110 GHz band when driven with 24 dBm of input power at room temperature. With the input power of 27 dBm, 5.5~11 dBm of saturated output power is produced over 75~110 GHz. Suppression of undesired harmonics is greater than 17 dB.

Citation:
Z. Chen and J. Xu, "Design and Characterization of a W-Band Power-Combined Frequency Tripler for High-Power and Broadband Operation," Progress In Electromagnetics Research, Vol. 134, 133-150, 2013.
doi:10.2528/PIER12092009
http://www.jpier.org/PIER/pier.php?paper=12092009

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