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LTCC Design Techniques for Microwave Integrated Circuits in Radar Sensor Applications
Keywords: Low Temperature Co-Fire Ceramic (LTCC), Microwave Integrated Circuit (MIC), automotive radar
Automotive radar applications demand a low cost, highly functional, reliable and repeatable materials system for integrating the MMICís and microwave circuits for Microwave Integrated Circuits (MICís). Low loss LTCC (Low Temperature Co-Fired Ceramic) materials are well positioned as a module and packaging solution due to its long history of use in military radar applications, as well as, use in high volume commercial applications such as Bluetooth and WLAN FEMís. This presentation will discuss the use of DuPontô Green Tapeô LTCC for 20 to 90GHz MICís for automotive radar sensors. Specifically, we will review a.) Broadband transitions from the MMICís to Microwave Circuits, b.) techniques for improving signal performance between RF channels on Microwave Circuits, and c.) optimization methods for interconnect with MMICís, microwave and millimeter wave circuits and antennas.
Timothy Mobley, Applications Dev Engineer
DuPont Electronic Technologies

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