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2.4 半导体三极管 (P67)

2.4 半导体三极管 (P67). 半导体三极管（ BJT 、晶体管）分类：. 按频率分： 高频管、低频管； 按功率分： 小、中、大功率管； 按半导体材料分： 硅管、锗管等； 按结构分： NPN 型、 PNP 型 ;. b c. e. e b c. P. N. N. 结构. 外形. NPN 型半导体三极管 （ P68 ）. C. 集电极. C. P. N. B. N. P. B. 基极. P. N. E. E. 发射极. 2.4.1 基本结构. NPN 型. PNP 型. 集电极. 基极. 发射极. C.

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2.4 半导体三极管 (P67)

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  1. 2.4 半导体三极管(P67) 半导体三极管（BJT、晶体管）分类： 按频率分：高频管、低频管； 按功率分：小、中、大功率管； 按半导体材料分：硅管、锗管等； 按结构分：NPN型、PNP型; b c e e b c P N N 结构 外形 NPN型半导体三极管（P68）

  2. C 集电极 C P N B N P B 基极 P N E E 发射极 2.4.1基本结构 NPN型 PNP型 集电极 基极 发射极

  3. C 集电极 N P B N 基极 E 发射极 集电区：面积较大 基区：较薄，掺杂浓度低 发射区：掺 杂浓度较高

  4. C 集电极 N P B N 基极 E 发射极 集电结 发射结

  5. 本节结束

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