问答

汇集网友智慧,解决技术难题

21ic问答首页 - TAG - 恒流源
  • 求3a 恒流源

    各位好,最近需要设计一个用dcdc的恒流源,查了很多资料,也没有一个准确底,我没有做过恒流源,所以想向各位前辈问问有没有做过相关的用dcdc设计恒流源,比较可靠的那种。

    嵌入式 技术交流 恒流源 dc 3A

    3404浏览量 6回复量 关注量
  • 压控恒流源振铃下冲如何解决

    [img]data:image/png;base64,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[/img]

    恒流 恒流源 压控恒流源 振铃

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  • 请教一问题:如何实现输出100MHz的恒流电流源

    项目需要100MHz调制激光二极管,但市面上的芯片普遍都达不到这么高的频率,请问可以实现输出电流大概10mA左右,频率100Mhz正弦波的高频恒流源吗?找到的恒流源电路在频率达到几十兆赫兹就实现不了恒流,各位大佬能指点一下吗?[em:30:]

    hz 电流 恒流 恒流源 恒流源电路

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