| 摘要 |
A six-port circuit (100) with two input ports and four output ports, comprising a balun (110) for converting signals at one input port into first (112) and second (113) balanced signals, and a filter (105), with first and second input ports and four output ports as the four output ports of the circuit. The six-port circuit also comprises a splitter (120) for splitting second input signals at the other input port into first (121) and second (122) parts. The input ports (V'in1, V'in2) of the filter (105) are connected so that one of the balanced signals (112) and one of the parts (121) of the second input signals are connected to one of the filter's input ports (V'in1), and the other of the balanced signals (113) and the other (122) of the parts of the second input signals are connected to the other of the filter's input ports (V'in2).
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