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.
A slot antenna configuration is proposed for UWB applications. The slot has a hybrid shape of the combination of a close-ended circle and an open-ended rectangle. The feeding structure of the slot is comprised of a 50 Ω microstrip connected to a circular patch and an open-ended patch, forming an inverted-L shape with circular corner. The antenna has a compact size of 21×26 mm2 printed on a 0.8 mm...
Nowadays, the test equipments for TCAS (traffic-alert and collision avoidance system) can only test troubles of shooting boards, but it can not find the detailed fault components. It is difficult to test intelligent circuit board (circuit board with CPU) with fording the detailed fault components of the trouble boards. This paper introduces a new way of fault testing of circuit board with CPU and...
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.