| 摘要 |
PROBLEM TO BE SOLVED: To provide a high-frequency circuit capable of obtaining a flat gain over a wide band. SOLUTION: A mixer circuit 40 receives a local signal and an input signal so as to output a high-frequency signal generated based on the received signals. An output buffer 30 receives the high-frequency signal. A band-pass filter having predetermined characteristics is formed by using the parameters of passive elements included in an output equivalent circuit as viewed from an output terminal of the mixer circuit 40 and the parameters of passive elements included in an input equivalent circuit as viewed from an input terminal of the output buffer circuit 30. COPYRIGHT: (C)2009,JPO&INPIT
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