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那段差分线的阻抗什么的并没有指导。
定制的balun就是为了在“越近越好”的guideline 下设计的差分阻抗。
所以，在这个地方，要“越近越好”.
输出端是50ohm的口，这个长一点倒是没问题了，传输线做50ohm阻抗控制就好了。
BR. AZ
