Rohde & Schwarz Presents New Microwave Measurement Receiver for Stable, High Precision Level and Performance Calibration

Rohde & Schwarz Presents New Microwave Measurement Receiver for Stable, High Precision Level and Performance Calibration

Rohde & Schwarz (Germany) - With the R&S FSMR3000 Rohde & Schwarz has developed a microwave measurement receiver to calibrate signal generators and attenuators with one single instrument. Most important features provided are tuned RF level measurements, level measurements, analog modulation and spectrum analysis. Additionally, the R&S FSMR3000 can be equipped with powerful hardware for high-end phase noise test supplementary to the standard phase noise test with the spectrum analyzer. It offers also digital and analog modulation signal analysis, 80 MHz analysis bandwidth, analysis of pulses and VOR/ILS signals. The R&S FSMR as a single box instrument is designed to reduce the complexity in calibration capabilities for the A&D industry.

Along with level calibration, the R&S FSMR microwave measurement receiver provides analog AM, FM and φM modulation analysis. The R&S FSMR3000 is designed to make signal generator and attenuator calibration less complex and includes features that make calibrating lab test processes easier. The 8 GHz, 26.5 GHz and 50 GHz instruments provide all necessary measurement capabilities in a compact single box instrument.

The high dynamic range of the R&S FSMR has a level measurement range of -152 to +30dBm. The low linearity uncertainty in the instrument of ± (0.009 dB + 0.005 dB per 10 dB step) together with absolute power sensor calibration provides highly accurate signal level measurements, where the R&S NRP50T can cover the whole frequency range from DC to 50 GHz.

Built-in analog modulation analysis is available for AM, FM, and φM modulation measurements. AM modulation depths from 0 to 100% and FM frequency deviations as wide as 16 MHz can be measured. The instrument has a 16-bit AD converter with 200 Msamples/s for modulation analysis with an internal signal analysis bandwidth of up to 80 MHz. If the analysis option is installed, modulation measurements on digital modulated signals are also possible. Pulses can be automatically analyzed. No additional vector signal analyzers are needed to measure the performance of these signals.

VOR (VHF Omnidirectional Range, an on-course radio beacon) and ILS (Instrument Landing System, for guidance during approach and landing) are air traffic navigation aids based on amplitude modulated signals and require very accurate and reliable modulation measurements. The R&S FSMR has an option for extending calibration to VOR/ILS signal generators and can calibrate without an additional tester.

The R&S FSMR3000 also provides high performance spectrum analysis measurements to enable complete analysis of harmonics, spurious emissions as well as noise figure or phase noise measurements up to 50 GHz. Marker functions and measurement functions for all interesting spectrum measurements are provided to measure noise power, ACLR, harmonic distortion, occupied bandwidth and spectrum emission masks. The resolution bandwidth can be set between 1Hz and 80 MHz and additional channel filters provided.

Equipped with powerful hardware, the R&S FSMR3000 provides additional phase noise analysis. The receiver can be equipped with a second receive path for high-end applications, enabling cross-correlation and increasing sensitivity by up to 25 dB depending on the number of correlations. The excellent internal sources and largely digital architecture make the analyzer faster than test systems that digitalize the signal after the phase detector, enabling the parallel display of phase noise and AM noise. Results are faster and no second sweep for AM noise measurement is needed. Both noise contributions can be compared in a single display during measurement.

The R&S FSMR microwave measurement receiver is now available from Rohde & Schwarz.

 

Picture Caption:

The R&S FSMR is a single box instrument designed to make calibration less complex.

 

Rohde & Schwarz:

The Rohde & Schwarz technology group is among the trailblazers when it comes to paving the way for a safer and connected world with its leading solutions in test & measurement, technology systems, and networks & cybersecurity. Founded more than 85 years ago, the group is a reliable partner for industry and government customers around the globe. On June 30, 2020, Rohde & Schwarz had around 12,300 employees worldwide. The independent group achieved a net revenue of EUR 2.58 billion in the 2019/2020 fiscal year (July to June). The company is headquartered in Munich, Germany.

R&S® is a registered trademark of Rohde & Schwarz GmbH & Co. KG.

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