The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
In this paper, a case study on the merit of adding the LISN for radiated-emission (RE) testing is demonstrated. For this study, a site source is created and considered as the device under test. This site source, activated by AC power, can generate harmonic reference signals ranging from 30 MHz to 1 GHz. The site source is then measured for numerous times. A large variation among these measurements...
The emulation of the real-world of mains power cables in EMC test methods can be improved. We show that for devices with significant differential-mode emission in the frequency range 150 kHz to 30 MHz, the impedance balance of the mains cable should be specified, even when the actual measurement is of data cable emission. For the same reasons radiated emission testing between 30 MHz and 200 MHz may...
It is widely recognized that electrostatic discharge (ESD) generators cause electromagnetic (EM) noises even before and after ESD immunity testing specified in the International Electrotechnical Commission (IEC) standard. This may provide inconsistent test results, whereas its mechanism is not well understood. To explain the mechanism qualitatively, the authors investigated a generation modeling of...
Radio receivers' EMC testing technology based on measurement of 3D double-frequency characteristic by the use of two frequency-sweeping signals is described. This characteristic simplifies the detection and identification of all linear and nonlinear interference responses (spurious, intermodulation, etc.) of the receiver. For four types of microwave receivers, the abilities of operation in presence...
CISPR 16-4-2 to address the measurement uncertainty of EMI test prescribes MIU (Measurement Instrumentation Uncertainty) of measuring instruments, systems and facilities. And also the product compliance assessment procedure based on MIU is described in the standard. However, since MIU does not embrace the whole source of measurement uncertainty, the contribution to improve MIU of EMI testing is limited...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.