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PECL到PECL的连接



PECL互连的时候,在直流耦合的情况下,是需要端接50欧姆然后接到Vcc-2的电平上,然而端接结点上的电压应该是Vcc-1.3V。

为什么在等效戴维宁电路中,列出方程如下。个人感觉应该将Vcc-2V改成Vcc-1.3V