Key facts
The R&S®ESW-B1000 and R&S®ESW-B350 wideband options extend the R&S®ESW EMI test receiver FFT bandwidth to 970 MHz. The R&S®ESW can perform measurements in real-time with no gaps between consecutive measurements in the receiver spectrogram. CISPR bands C and D can be measured in a single shot or up to 450 MHz of real-time measurements in the frequency range above 1 GHz are possible for unprecedented testing speed and interference insight.
The bandwidth extension option can speed up measurements with an FFT bandwidth of up to 970 MHz. With just one frequency segment to cover CISPR bands C and D, measurements are faster, even with CISPR detectors. Without scanning across frequency spans, the R&S®ESW can perform continuous, gap-free measurements, making it a real-time receiver. This helps when analyzing intermittent inference in the spectrogram view.
Measurement from 30 MHz to 1 GHz in one shot
CISPR bands C and D are measured in one FFT segment with enabled CISPR detectors and a spectrogram view.
With less receiver scanning, users will have more time for observations, while still achieving fast testing times. This increases likelihood that sporadic interference is intercepted and higher detection rates for high reliability and repeatability in both commercial and MIL-STD testing.
More interference insight
The wide bandwidth allows for long measurement times and the best insight into intermittent interference.
The wideband option measures in real-time without any time gaps between consecutive measurements. It detects sporadic or fast changing disturbances for detailed analysis. While remaining at a fixed frequency segment, the receiver can capture signals for a practically infinite amount of time without any time gaps.
Real-time measurement of a microwave oven
Real-time FFT bandwidth of 450 MHz in the range above 1 GHz to analyze microwave out-of-band interference.
The wideband extension adds eight parallel paths to the input stage. Each path covers one frequency segment and when all are combined, the FFT bandwidth can be extended up to 970 MHz. Each path has its own preselection filter for frequency selectivity and a high dynamic range. An FPGA with high computing power combines the data streams from eight analog-to-digital converters and calculates the spectral components.
Wideband extension signal path
Eight parallel signal paths and a computational unit capture and process the wide real-time FFT bandwidth.
The wideband extension is available for the full FFT bandwidth of up to 970 MHz (R&S®ESW‑B1000) and 350 MHz (R&S®ESW‑B350). R&S®ESW‑B350 can be upgraded to R&S®ESW‑B1000 with a software license. Two versions are available for either option, the R&S®ESW‑B350/B350R or the R&S®ESW‑B1000/B1000R. The “non‑R” versions do not require export licenses, but are restricted to a real-time bandwidth of 170 MHz. The “R” version is export restricted and allows real-time processing of the full bandwidth.
Existing facelift instruments are upgradeable
If the ESW serial number is ≥ 103000, the R&S service center can retrofit the wideband option to an existing instrument.
Related products
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Terms & Conditions of the Prize Draw 10 years Rohde & Schwarz oscilloscopes
1. The prize draw “10 years Rohde & Schwarz oscilloscopes” (herein referred to as “Draw”) is organized by Rohde & Schwarz GmbH & Co. KG, Mühldorfstraße 15, 81671 Munich, Germany, Tel. +49 89 41 29 0 (herein referred to as “R&S).
2. All participators can register to the draw during January 01, 2020 to December 31, 2020 with their name, company name and business e-mail.
3. Participation is free of charge and not dependent on the purchase of goods or services.
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Prize: 1x R&S®RTB2000 Digital Oscilloscope
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