01-LEWINSiGe Circuits for Microwave Radio Applications Thomas Lewin, Harald Jacobsson, Bertil Hansson, Yinggang Li, Spartak Gevorgian Microwave and High Speed Electronics Research Centre Ericsson Microwave Systems AB Market aspects The market for microwave communication links has been growing almost exponentially for a number of years. If the cost level for microwave links in the future can be substantially reduced a number of new applications could be possible to be introduced on the market, such as MVDS systems for residential customers or WLAN systems at 60 GHz. Another area in which microwave and millimetre wave systems will also play a major role is in transportation. This will provide functions such as traffic control, collision avoidance, active cruise control, and car to car communication……