Light-Weight Analyzer Scours Spectrum To 3 GHz

July 25, 2013
A low-cost, portable spectrum analyzer shows signals from 9 kHz to 3 GHz with high sensitivity.

Model GPS-930 is a compact portable spectrum analyzer with a large display screen. It scans 9 kHz to 3 GHz with a low noise floor of -142 dBm thanks to its built-in preamplifier. It shows signal traces and information on a bright 8.4-in. thin-film-transistor (TFT) color liquid-crystal-display (LCD) screen and can provide frequency stability of 25 ppb or 0.025 ppm, with a wide choice of resolution bandwidths as fine as 1 Hz. The analyzer offers numerous automatic measurements, including power measurements, spectrum emission mask (SEM), and AM/FM demodulation and analysis, and features a pass/fail limit function to simplify automatic measurements. The GSP-930 is equipped with a selection of interfaces, including LXI, Universal Serial Bus (USB), and RS-232 ports, and optional GPIB LabVIEW IVI or LabWindows/CVI drivers are available for remote-control software development. A Micro SD slot and a USB host interface enable memory size expansion for extra data storage. A “Sequence” function allows operators to edit and run programmable measurement routines on the GSP-930’s screen without the need for an attached personal computer (PC).

Saelig Co., Inc., 71 Perinton Pkwy., Fairport, NY 14450; (888) 772-3544, (585) 385-1750, FAX: (585) 385-1768. 

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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