仿真时出现 Mutual inductor `FET2FSL1.T1.Mutual1' has an unphysical mutual inductance M=-1.244e-11.
L1=0.000e+00 L2=0.000e+00; limit for M is +/-0.000e+00.
Error detected by hpeesofsim during SP analysis `SP1'.
Matrix is singular (detected at node or branch `I__16.DC_Block1.i').
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