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NEWS
01/09/2020
MEASUREMENT

cSAR3D V4.0: A Breakthrough in Array System Technology

The new X10 Combiner gives cSAR3D Flat phantoms higher measurement resolution, driving the measurement uncertainty below 30% for any source and extending the frequency range to 10 GHz.

cSAR3D V4.0 marks a major advancement for vector measurement-based array measurement systems: the newly integrated "X10 Combiner", a novel algorithm developed by the IT'IS Foundation that reliably combines multiple randomly shifted individual measurements onto a high-resolution grid, eliminates the physical limitation of the sensor density of fixed arrays by virtually increasing the spatial sampling resolution. As a result, the frequency range of cSAR3D has been extended to 10 GHz and the uncertainty has been reduced to 30% for any source. The timing is perfect as the Federal Communications Commission (FCC) and other regulators have recently opened unlicensed spectrum above 6 GHz and the soon-to-be-published IEC/IEEE Standard 62209-1528 includes SAR measurement procedures up to 10 GHz.

The key new features of cSAR3D V4.0 are:

  • X10 Combiner – novel spatial combining algorithm to give a higher measurement resolution
  • Extended frequency range up to 10 GHz
  • Estimation of absorbed power density (epithelial power density) for comparison with new limits in new ICNIRP guidelines and the IEEE C95.1 standard
  • Even faster measurement time

The user video nicely illustrates these new features and how easy they are to use.

Higher Measurement Resolution

The spatial combining algorithm, called the X10 Combiner, is easy to use and does not require any new equipment. The software guides the user to make multiple measurements with the device at random positions on the cSAR3D Flat. It then automatically determines the shift in the device position from the specific absorption rate (SAR) distribution and uses these shifts to reconstruct the 3D pattern using these high-density measurement points. Thus, the physical resolution can be overcome, allowing measurement of devices having very sharp SAR distributions.

Extended Frequency Range

SPEAG extended the frequency range of DASY6 last year to include the 6 – 10 GHz frequency range and has now done the same for the cSAR3D Flat. This meets the emerging needs of wireless device manufacturers to test Wi-Fi and 5G devices in this frequency range.

No change is needed to the cSAR3D hardware. The miniature sensors inside the phantom have good sensitivity and are electrically small at 10 GHz. The tissue-equivalent medium is already compatible with the requirements for dielectric parameters up to 10 GHz. The only requirement is that the cSAR3D Flat or Quad is re-calibrated to include the 6 – 10 GHz frequency range. Note that SPEAG is now accredited to ISO/IEC 17025 for calibration of cSAR3D Flat and Quad at all frequencies in the 650 MHz – 10 GHz range.

cSAR3D V4.0 leads to a significant accuracy improvement for very localized SAR distributions. The full IEC 62209-3 validation (264 test conditions) has been performed on the cSAR3D Flat using the X10 Combiner as well as single measurements. Additional validation tests have been performed in the 6 – 10 GHz frequency range using the X10 Combiner. The results show that all combined values are within +/-1 dB of the target values indicating that the measurement uncertainty when using the X10 Combiner is less than 30% for any source.

Absorbed power density

Another novelty is that cSAR3D V4.0 also assesses and displays the absorbed power density (also known as epithelial power density in IEEE C95.1) averaged over an area of either 1 cm2 or 4 cm2. These dosimetric limits have been defined by ICNIRP (2020) and IEEE C95.1 (2019) in the frequency range above 6 GHz. It is expected that these new basic restrictions will soon be adopted by regulators.

Faster Measurement

SPEAG has also improved the measurement speed. The assessment time is now 2.6 s including acquisition, evaluation of 3D field reconstruction, calculation of uncertainty, and graphical output of the results. This also improves throughput for quality assurance testing in factory environments. Wireless device manufacturers have implemented cSAR3D for factory sampling due to its speed and automation features.

cSAR3D V4.0, together with the manual, are available for download here.

MEASUREMENT

22/06/2017

Contact
info@speag.swiss

 

cDASY6 Release V6.4

SPEAG is happy to announce the release of cDASY6 V6.4. With V6.4, the greatly reduced measurement time and the testing automatization of our DASY6 system is now accepted by all regulators. The release also entails all necessary features to meet the upcoming unified IEC 62209-U standard and is capable of testing all IoT devices.

 
SIMULATION

07/06/2017

Contact
semx-support@speag.swiss

 

SEMCAD X Matterhorn Release V16.4

SPEAG is proud to release Version 16.4 of its SEMCAD X Matterhorn simulation platform, offering major performance boosts from subgridding to high performance computing (HPC) and Cloud Computing! Moreover, all toolsets, including our powerful 5G simulation package, have been refined to further automate and streamline the application flows in areas of equipment optimization, 5G/wireless technology and optimization of in-/on-body communication devices - making your simulations once again faster and more effective.

 
MEASUREMENT

06/06/2017

Contact
info@speag.swiss

 

cDASY6 acceptance by FCC

Update from the TCB Council Workshop in Baltimore (2-4 May 2017).

 
MEASUREMENT

05/06/2017

Contact
info@speag.swiss

 

IEC TC106 Meeting Update

IEC Standards TC106, implementing innovative solutions for electromagnetic exposure assessment, have moved towards publication. SPEAG is well positioned to satisfy the needs of these new standards.

 
MEASUREMENT

30/05/2017

Contact
info@speag.swiss

 

Commercial Release of IEC 62209-3 Validation Antennas

Validation sources enable independent evaluation of the performance of specific absorption rate (SAR) measurement systems, in accordance with draft IEC 62209-3.

 
MEASUREMENT

17/05/2017

Contact
info@speag.swiss

 

Major cDASY6 Release: V6.4

SPEAG is announcing the Beta-Release of cDASY6.4 that offers a multitude of assets and improvements, expanding the existing capabilities of DASY52. At the same time, it is already fully compatible with the upcoming standard IEC 62209-U. The final release will become available on June 20th, 2017.

 
CORPORATE

16/05/2017

Contact
info@speag.swiss

 

SPEAG & ZMT Workshops in China and Taiwan in June 2017

Schmid & Partner Engineering AG (SPEAG) and ZMT Zurich MedTech AG (ZMT) are pleased to announce their annual hardware & software workshops which will be held in Beijing, Shanghai and Shenzhen (China), as well as Taipei (Taiwan) in June 2017. On a number of occasions, our in-house experts, together with our partners from the Auden Techno. Corp., will demonstrate SPEAG's and ZMT's latest innovations and product updates, and inform about standard trends and our roadmap going forward to address industry needs.

 
MEASUREMENT

10/05/2017

Contact
info@speag.swiss

 

5G Module Beta Release

New Beta-version enables power density compliance testing as close as 2 mm from any surface with minimal uncertainty.

 
MEASUREMENT

25/04/2017

Contact
info@speag.swiss

 

UL Invests Into More Effective SAR Testing

PC World has published a video by Underwriters Laboratories Inc. (UL) last week demonstrating their latest fleet of DASY6 systems.

 
MEASUREMENT

18/04/2017

Contact
info@speag.swiss

 

SAR Compliance Testing of Wireless Devices with Time-Averaged Power Control

A user video demonstrates the new time-averaged SAR feature of cDASY6 V6.4.

 
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