Six-Port Interferometric Technique for Accurate W -Band Phase-Noise Measurements

An innovative six-port (SP) phase-noise measurement technique for millimeter-wave high-power sources is proposed in this paper. Simulation results using a 94-GHz rectangular waveguide SP circuit model validates the measurement principle for both millimeter-wave oscillators and amplifiers. Phase-nois...

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Veröffentlicht in:	IEEE transactions on microwave theory and techniques 2008-06, Vol.56 (6), p.1372-1379
Hauptverfasser:	Tatu, S.O., Moldovan, E., Affes, S., Boukari, B., Ke Wu, Bosisio, R.G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Amplifiers Applied sciences Circuit properties Electric, optical and optoelectronic circuits Electronic circuits Electronic tubes, masers Electronics Exact sciences and technology Extraterrestrial measurements Frequency Frequency conversion interferometry Measurement techniques Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits Millimeter wave measurements Millimeter wave technology millimeter-wave mixers Noise measurement Optical interferometry Phase measurement Phase noise Sea measurements Signal convertors six-port (SP)
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Beschreibung
Zusammenfassung:	An innovative six-port (SP) phase-noise measurement technique for millimeter-wave high-power sources is proposed in this paper. Simulation results using a 94-GHz rectangular waveguide SP circuit model validates the measurement principle for both millimeter-wave oscillators and amplifiers. Phase-noise measurement results of a 100-W extended interaction Klystron amplifier are presented and discussed. Compared to conventional methods, this new method allows accurate low-cost phase-noise measurements.
ISSN:	0018-9480 1557-9670
DOI:	10.1109/TMTT.2008.921750