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Due to the increasing role of new and innovative technologies, things like smart homes, driver-less cars and Internet of Things (IoT) are becoming a regular companion in our daily lives. In case of smart home the network is mostly connected through Wi-Fi and controlled through smart phones or tablets. These interconnected electrical devices thus also require an additional and extended test effort. In most cases it is therefore no longer sufficient, that e.g. household appliances are only tested with regard to their electromagnetic emissions according to CISPR 14.
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Emissions measurements of the electrical field strength in the frequency range of 1 GHz to 40 GHz are carried out in an anechoic chamber or at an open area test site. Usually these measurements are very time-consuming as the points of maximum radiation have to be found over all angular positions of the device under test (DUT) as well as over all antenna heights. DUTs with strongly directed radiation patern above 1 GHz require high angular resolution, which means very small angular steps of the turntable to get the accurate position of the maximum emission, making the testing procedure even more time-consuming.
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The EMI64k, the new automation software suite of GAUSS INSTRUMENTS, allows to embed your TDEMI receiver in a fully automated test environment. A full automation of EMI testing according to all commercial and military standards is available with this software suite. Using the capabilities of the TDEMI® X with a gapless processing and full quasi peak detection the EMI64k is the only software that provides a full automation even under conditions of sporadic interferences or drifting emissions. This unique technology avoids manual searching of peaks and improves the overall test quality. In addition the complete radiation pattern is measured at all frequencies with Quasi-peak.
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The world’s fastest EMI receivers – the TDEMI eXtreme series (TDEMI X) of GAUSS INSTRUMENTS covering the frequency range from DC – 40 GHz and providing unique features as 645 MHz CISPR compliant real-time bandwidth, Multi-GHz Real-time Scanning and the lowest displayed average noise level at 40 GHz can now be equipped with an additional ultra-low noise pre-amplifier for the frequency range 30 MHz – 1 GHz. This novel pre-amp provides lowest noise figure and highest dynamic range - both at the same time. High linearity and lowest displayed inherent noise is achieved by a patented technology using pre-amps with low noise figure, pre-selectors and a special circuit monitoring the linearity reserve of the pre-amp.
- Details
Emissions measurements of the electrical field strength in the frequency range of 1 GHz to 40 GHz are carried out in an anechoic chamber or at an open area test site. Usually these measurements are very time-consuming as the maximum radiation has to be found over all angular positions of the device under test (DUT) as well as over all antenna heights. DUTs with highly directive radiation characteristics above 1 GHz require very small angular steps of the turntable for getting the accurate position of the maximum emission, making the testing procedure even more time-consuming.