Test & Measurement

Signal Generator Frequency Range Covers 100kHz to 3GHz or 6GHz

29th April 2013
ES Admin
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Described as a future proof instrument the Rohde & Schwarz SMW200A high end vector signal generator covers the frequency range from 100kHz to 3Ghz or 6GHz. It features an I/Q modulation bandwidth of 160MHz with internal baseband. It covers all the important communications stanards including WLAN IEEE 802.11ac, and 2x2MIMO, 8x2MIMO for TD-LTE and 2x2MIMO for LTE-A.
Described as a future proof instrument the Rohde & Schwarz SMW200A high end vector signal generator covers the frequency range from 100kHz to 3Ghz or 6GHz. It features an I/Q modulation bandwidth of 160MHz with internal baseband. It covers all the important communications standards including WLAN IEEE 802.11ac, and 2x2MIMO, 8x2MIMO for TD-LTE and 2x2MIMO for LTE-A.
Its flexibility is attained through an optional second RF path for frequencies up to 6GHz and a maximum of two baseband and four fading simulator modules, thus enabling two fully featured vector signal generators in one unit.
More than two RF sources are required for applications such as 3x3 MIMO for WLAN or 4x4 MIMO for LTE-FDD. In addition to the two internal RF paths provided, highly compact R&S SGS100A signal generator modules can be connected as additional RF sources and remotely controlled by the R&S SMW200A. This solution takes up only five height units for 4x4 MIMO receiver tests and provides correctly encoded baseband signals, real time channel simulation, AWGN generation and, if required, phase-locked coupling of multiple RF paths.
Options for every important digital communications standard are available from the start: LTE, LTE-Advanced, 3GPP FDD/HSPA/HSPA+, GSM/EDGE/EDGE Evolution, TD-SCDMA, CDMA2000®/1xEV-DO and WLAN IEEE 802.11a/b/g/n/ac. The standards run directly on the instrument so there is no need to connect an external PC.. This simplifies troubleshooting on the DUT and also saves time. Because the instrument is multichannel-compatible, developers can even create scenarios using different signals with minimal effort, for example, in order to test multi-standard radio base stations.
Signal quality ensures high accuracy in spectral and modulation measurements. The SSB phase noise is –139dBc (typ.) at 1GHz (20kHz offset).
A touchscreen allows users to control the instrument intuitively with the tried and tested R & S block diagram as a key operating element to visualise the signal flow. Help functions are provided to quickly achieve success. Presets are provided for all important digital standards and fading scenarios. LTE and UMTS test case wizards simplify complex base station conformance testing in line with the 3GPP specification.

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