INSTRUMENTATION
Bandwidth extension for EMC test receiver
Rohde & Schwarz increases bandwidth to 1GHz on its EMC test receiver to measure the complete frequency range of CISPR Bands C and D
them was an important enhancement to the R&S ESW EMI test receiver with its new 1GHz bandwidth extension. With product development always under pressure to deliver quickly, ensuring EMC compliance is key for R&D engineers. Every day spent debugging, isolating and correcting EMI problems increases the time to market. R&S is therefore supporting product developers with its range of EMC and field strength test equipment and software.
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❱❱ A range of test instrumentation is available to support EMC certification as well as pre-compliance testing during product development
EMI COMPLIANCE TESTING For reliable certification measurements in minimum test times, the R&S ESW EMI test receiver has a high measurement speed and comprehensive diagnostic tools and can be used for certification against CISPR, EN, FCC and MIL standards as well as for automotive applications. In order to address the increasing demand for high- speed testing, R&S has extended the FFT bandwidth of the receiver to 970MHz, making it possible to measure the complete frequency range of CISPR Bands C and D in one shot. Test times can also be minimised with the R&S ELEKTRA EMC test software, which simplifies configuring test
his summer, Rohde & Schwarz was exhibiting its range of EMC test and measurement instrumentation ranging from standalone instruments and software to application-specific systems. Among
systems and running test procedures in accordance with EMC standards. It speeds up test execution and provides comprehensive and customisable test reports.
BCI TEST SYSTEM FOR IMMUNITY MEASUREMENTS R&S also has a robust, compact test system for conducted electromagnetic susceptibility measurements using the bulk current injection (BCI) test method, as prescribed for testing electronic modules in vehicles. The BCI system consists of the R&S SMC100A signal generator, the rugged R&S BBA150 broadband amplifier and integrated R&S NRPxxA/AN power sensors. The system is controlled by the R&S ELEKTRA test software, which controls complete EMC systems and automates the required measurements on the equipment under test to be certified for both emissions (EMI) and immunity (EMS). The new ultra-wideband solid-state R&S BBA300 broadband amplifier with a bandwidth of 380MHz to 6GHz and up to 300W output power, as well as the 2GHz-20GHz R&S SAM100 broadband amplifier is also available.
EMI PRE-COMPLIANCE AND DEBUG In order to prevent unpleasant surprises during EMC compliance testing, the best way is to actively search for radio interference during the product development phase and adapt the design accordingly. The R&S FPL1000 spectrum analyser is ideal for detecting radiated and conducted interference. When equipped with the EMI measurement application, it provides powerful features required for reliable pre-compliance EMI measurements including EMI resolution bandwidths, EMI detectors, measurement automation and report generation. The R&S ELEKTRA EMC test software also supports the R&S FPL1000. Further powerful tools for EMI debugging, which
find a place on practically every product developer’s workbench, are oscilloscopes. The R&S RTO6 oscilloscope features high dynamic range and input sensitivity of 1mV/div at full measurement bandwidth, making it possible to detect even weak emissions. Its powerful FFT capabilities are ideal for EMI analysis in the frequency domain thanks to their easy operation, high acquisition rate and many functions, such as colour coding of the spectral display according to the frequency of occurrence. The zone trigger in the FFT is ideal for selecting specific frequencies to investigate sporadic emission frequencies. T&TH
October 2022 /// Testing & Test Houses /// 17
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