| 摘要 |
In an electronic circuit having an integrated circuit ( 110 ) having a power supply terminal, a noise filter disposed adjacent to the integrated circuit, and a printed board ( 101 ) having a pattern for supplying a power supply to the power supply terminals of the integrated circuit through the noise filter, the noise filter consists of a transmission line type noise filter ( 121-124 ) for removing noises having a wide frequency band.
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