| 摘要 |
The circuit comprises comparators (CP1),(CP2),(CP3) comparing the voltage of a reference in each phase coils (La,Lb,Lc) with the voltage of phase coils (La,Lb,Lc), a sample hold sampling and holding phase voltages (Va),(Vb),(Vc), monomultis (M/M1),(M/M2),(M/M3) controlling the operation of the sample holder operating on the output of comparators (CP1),(CP2),(CP3) and turn-off transistors (Q1),(Q2),(Q3) controlling the operating of power transistor on the output of and gates (AN3), (AN1),(AN2).
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