Spectrum Analyzer Includes Phase Noise Tester

At the 2006 MTT-S in San Francisco (June 12-16), Rohde & Schwarz launched the FSUP, a spectrum analyzer with built-in phase-noise test set. Available in versions with top frequencies of 8 GHz, 26.5 GHz, or 50 GHz, the instrument measures phase noise by comparing the performance of a device under test (DUT) to the phase noise of a reference signal source via an internal or external reference oscillator. At an input frequency of 640 MHz and frequency offset of 10 kHz, the phase noise of the FSUP is better than -135 dBc/Hz with an internal reference. At a 10-MHz offset from the same carrier frequency, the phase noise is a stunning -165 dBc/Hz. For more information on this powerful measurement tool, visit the Rohde & Schwarz website at www.rohde-schwarz.com

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