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TM4C晶振起振有直流偏置



自己花了一块TM4C1294板子,晶振起振,Vpp 300多mV,但是有1V多的直流偏置

测过launchpad上的晶振,发现并没有直流偏置,

本人小白,不知道怎么解决,求助各位