1217| 18
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请大家讲讲这种电路的原理 |
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点评
具体讲究不太清楚,可能就是电流满足要求的条件下,hfe尽量大点。
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If by life,you were deceived.
Don't be dismal ,don't be wild! In the day of grief,be mild! Merry days will come, believe. Hearts is living in tomorrow. Present is dejected here: In a moment, passed sorrow that which passes will be dear. |
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