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LD驱动需要一个高频恒流源,频率100MHz,幅值在几mA左右,请问有芯片推荐吗?



尝试了许多电路构造和运放,但是都无法在高频时保证恒流,请问是否有芯片或参考电路推荐?

如此高的频率是不是不好实现?几乎找不到高频恒流源设计资料。