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Rohde & Schwarz Pulse Modulation and Noise Figure Measurements up to 60 GHz with the ZVAX-TRM and ZVA High-End VNA

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By combining the R&S ZVA high-end vector network analyzer (VNA) with the R&S ZVAX-TRM extension unit, users can meet the exacting T&M requirements encountered when characterizing active components. Rohde & Schwarz has now enhanced its test setup with additional functionality.

Rohde & Schwarz Pulse Modulation and Noise Figure Measurements up to 60 GHz with the ZVAX-TRM and ZVA High-End VNA - RF Cafe

Munich, September 14, 2015 — With its R&S ZVA high end vector network analyzers and R&S ZVAX-TRM extension unit, Rohde & Schwarz offers an efficient and highly flexible solution for characterizing active components. Using a combination of a high-end R&S ZVA and the R&S ZVAX-TRM, users can now measure the noise figures of amplifiers, converters and transmit/receive (T/R) modules for radar and satellite applications. The new R&S ZVAXxxB31 and R&S ZVAXxxB32 options for the R&S ZVAX-TRM even make it possible to carry out this measurement on amplifiers with low gain of only 10 dB and low noise figures down to the 1 dB range. Rohde & Schwarz has also expanded the test setup's pulsed signal measurement capabilities to the 60 GHz range by adding the R&S ZVAX67B712 and R&S ZVAX67B73 pulse modulator options.

The R&S ZVAX-TRM extension unit can be combined with any network analyzer from the R&S ZVA family – from 24 GHz to 67 GHz. It complements the functionality of the R&S ZVA family and supports, for example, measurements with high power levels up to +43 dBm, with two tone signals or pulsed signals, as well as noise figure measurements, and group delay measurements on embedded LO converters. The stimulus and measured signals from the VNA are fed to the R&S ZVAX-TRM, where they are conditioned. The signals are then either output via the R&S ZVAX-TRM ports or fed back to the VNA and output via the VNA test ports. The R&S ZVAX-TRM makes it possible to decouple signal conditioning from the network analyzer, which offers a major benefit: The high-end VNA is protected from overvoltage and overpower damage during high power measurements. When the R&S ZVA is used to perform standard network analyzer tasks, i.e. without the R&S ZVAX-TRM, the user benefits from the full RF performance of the high-end network analyzer in terms of output power level, dynamic range and long-term stability.

The new R&S ZVAXxxB31 and R&S ZVAXxxB32 noise figure measurement options for all R&S ZVAX-TRM models are now available from Rohde & Schwarz. The frequency range for the R&S ZVAX67B712 and R&S ZVAX67B73 pulse modulator options has been expanded to 67 GHz.

Rohde & Schwarz

The Rohde & Schwarz electronics group offers innovative solutions in the following business fields: test and measurement, broadcast and media, secure communications, cybersecurity, radiomonitoring and radiolocation. Founded more than 80 years ago, this independent company has an extensive sales and service network and is present in more than 70 countries. The electronics group is among the world market leaders in its established business fields. On June 30, 2014, Rohde & Schwarz had approximately 9800 employees. It achieved a net revenue of EUR 1.75 billion in the 2013/2014 fiscal year (July to June). The company is headquartered in Munich, Germany. It also has regional headquarters in Singapore and Columbia, Maryland, USA, to manage its operations in these regions.


Europe, Africa, Middle East
+49 89 4129 12345

North America
+1 888 837 87 72

Latin America
+1 410 910 79 88

Asia Pacific
+65 65 13 04 88

+86 800 810 8228 or +86 400 650 5896



Posted September 14, 2015

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