| 摘要 |
One embodiment of an apparatus for switching a transistor includes a first current mirror providing iB=K1i1, as a transistor base current, wherein the first current mirror is selectively driven by a current source i B MAX K 1 . A second current mirror providing a feedback signal i2=K2iD to the first current mirror such that i 1 + i 2 = i B MAX K 1 , wherein iD contributes to the transistor collector current, wherein iB=iBMAX−K1K2iD.
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