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In this paper for designing a Ka band balanced amplifier, a novel structure using a six-port power divider is proposed. Using this six-port power divider as a 3dB power divider and combiner, broadband properties and complete symmetric structure can be achieved. The symmetric structure leads to almost zero phase and gain unbalances between output ports of 3dB power dividers. In contrary to the conventional...
A new wide-band direct conversion receiver based on Five-port structure is presented that is very suitable for software radio applications. New five-port structure consists of five wideband power splitters and a 900 phase shifter, including a set of composite right/left-handed (CRLH) transmission line (TL) sections. As an example the transceiver is designed for covering three WiMAX frequency bands,...
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