Rohde & Schwarz
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AFMETCAL Orders Rohde & Schwarz's Signal Source Analyzers

Jan. 5, 2022
SSA analyzers ordered by the U.S. Air Force deliver the high sensitivity needed for amplitude- and phase-modulation noise measurements through mmWave frequencies.

The U.S. Air Force's Metrology and Calibration (AFMETCAL) Authority has ordered signal source analyzers (SSAs) from Rohde & Schwarz for use in its precision measurement equipment laboratories (PMELs) and Air Force primary standards laboratory (AFPSL). The SSAs enable calibration of phase noise analog and digital modulation measurements. The SSAs (see the figure) are based on the firm’s model FSWP phase noise and voltage-controlled- oscillator (VCO) tester and provide high sensitivity by means of low internal noise sources.

The SSAs, which are capable of measuring amplitude as well as phase noise and displaying both results simultaneously, meet the U.S. Air Force’s measurement requirements by merit of a sensitivity of -166 dBc/Hz offset 10 kHz from a 1-GHz carrier. The SSAs include signal and spectrum analysis capabilities with preselection to 50 GHz and signal analysis bandwidths as wide as 80 MHz. The instruments are equipped with various optional features, including pulsed phase noise measurement capabilities, to meet Air Force test requirements.

About the Author

Jack Browne | Technical Contributor

Jack Browne, Technical Contributor, has worked in technical publishing for over 30 years. He managed the content and production of three technical journals while at the American Institute of Physics, including Medical Physics and the Journal of Vacuum Science & Technology. He has been a Publisher and Editor for Penton Media, started the firm’s Wireless Symposium & Exhibition trade show in 1993, and currently serves as Technical Contributor for that company's Microwaves & RF magazine. Browne, who holds a BS in Mathematics from City College of New York and BA degrees in English and Philosophy from Fordham University, is a member of the IEEE.

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