| 摘要 |
PROBLEM TO BE SOLVED: To provide a power synthesizer with a filtering function in which the number of components can be reduced to be compact and lightweight and to reduce costs, and a high frequency communication device using the same. SOLUTION: Capacitance components C4a, C2a are serially connected between a first input port and a common node in order from the side of the first input port, and a short-circuit line resonator T2a is connected to a node of the capacitance components C4a, C2a. Capacitance components C5a, C3a are serially connected between a second input port and the common node in order from the side of the second input port, and a short-circuit line resonator T3a is connected to a node of the capacitance components C5a, C3a. A capacitance component C1a is connected between the common node and an output port, and a short-circuit line resonator T1a is connected between the common node and the capacitance component C1a. A resistance component R1a is then connected between the node of the capacitance components C4a, C2a and the node of the third capacitance components C5a, C3a. COPYRIGHT: (C)2005,JPO&NCIPI
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