经过射随器后,输出波形幅值降低了,颜色和亮度都会变<br /><br />建议用下面的电路<br /><br /><br /> o<br /> |<br /> +--------- <br /> | |<br /> - |<br /> *| | |<br /> | | |<br /> - |<br /> | | /<br /> | |/<br /> +------|<br /> | |_|<br /> | | <br /> --- |________ OUTPUT <br /> D / |<br /> --- |<br /> | | |<br /> | | | 75R<br /> O | |<br /> INPUT |<br /> _|_<br /> <br /><br /><br /><br />
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