| 摘要 |
PURPOSE: A power supplying apparatus for generating laser is provided to reduce the influence of noises by forming a power filter and a rectification filter for a high and a low voltage generation unit. CONSTITUTION: A low voltage generation unit includes a second power filter part(150), a second rectification flattening part(160), a reduced pressure converting part(170), and a constant voltage generating part(180). The second power filter part suppresses the noises of power. The power outputted from the second rectification flattening part is rectified. The reduced pressure converting part output the DC voltage outputted from the second rectification flattening part. The constant voltage generating part generates DC voltage.
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