Vector signal generators offer enhanced EVM performance
Rohde & Schwarz has introduced the latest evolution of its two vector signal generators, the signature SMW200A for the most demanding applications, and its midrange counterpart, the best-in-class SMM100A.
Besides a redesigned front panel and user interface, SMW200A signal generators have been equipped with modified microwave hardware for enhanced error vector magnitude (EVM) performance as well as higher output power in the frequency range above 20 GHz.
With significant enhancements in EVM performance, the evolved SMW200A is a robust choice for both 5G NR FR3 research and high‑demand RF applications like RF component, module and power amplifier testing. This upgrade also comes with an RF linearization software option, the SMW-K575, which utilizes digital pre‑distortion technology to optimize EVM at high output power. This ensures high accuracy and stability, even for complex modulation schemes in the entire frequency range.
These key upgrades also extend to the SMM100A, the midrange counterpart of the SMW200A. The SMM100A also comes with a new low phase noise option, the SMM‑B709, which, for example, enables an EVM performance better than –53 dB for an IEEE802.11be signal with a bandwidth of 320 MHz.
Customers with previous models of the RSMW200A or SMM100A can also benefit from the new performance enhancements offered by SMx-K575 RF linearization — through retrofit options via a simple service and calibration process.
Gerald Tietscher, Vice President of Signal Generators, Power Supplies and Meters at Rohde & Schwarz, says: “With increasing data rates and modulation scheme complexity, achieving low EVM is critical for ensuring stability and robustness in wireless connectivity applications. The latest evolution of our SMW200A and SMM100A vector signal generators is a testament to our commitment to making our art of signal generation even better. With their superior RF characteristics and exceptional EVM performance, these instruments are a pivotal resource for handling the requirements of the most advanced test applications.”
www.rohde-schwarz.com/smw-evolution
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