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The authors introduce a new class of the microwave and millimeter wave multiport receivers. These receivers are designed based on a new five-port structure and offer a wide bandwidth. The low-cost implementation is the other advantage of this structure. The numerical and microwave simulations have been conducted to investigate the characteristics of the receiver. In addition, the new five-port receiver has been constructed and measured. The analytical and measurement results are in good agreement with each other. This indicates that the structure can effectively be used as a high-performance and low-cost wideband receiver for broadband applications. As a practical application, the European and North-American local multipoint distribution services band can be covered using this new architecture.
Date of Publication: April 2009