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LESSON-20. Diode

LESSON-20. Diode. SEMI-CONDUCTOR DIODE. C[T]VMo TF,LDFYL"VM diode G] construction, working VG[ use lJX[ DFlCTL D[/JX[P TF,LDFYL"VM diode GF JUL"SZ6 lJX[ DFlCTL D[/JX[P. CRYSTAL STRUCTURE. Co-valent bond:. TYPES. N-Type. P-Type. N-TYPE SEMI-CONDUCTOR. Penta-valent impurity

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LESSON-20. Diode

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  1. LESSON-20.Diode

  2. SEMI-CONDUCTOR DIODE • C[T]VMo • TF,LDFYL"VM diode G] \construction, working VG[ use lJX[ DFlCTL D[/JX[P • TF,LDFYL"VM diode GF JUL"SZ6 lJX[ DFlCTL D[/JX[P

  3. CRYSTAL STRUCTURE • Co-valent bond:

  4. TYPES N-Type P-Type

  5. N-TYPE SEMI-CONDUCTOR • Penta-valent impurity • Construction • Electron current

  6. P-TYPE SEMI-CONDUCTOR • Tri-valent impurity • Construction • Hole current

  7. P-N JUNCTION DIODE • Construction of Diode • Diffusion • Depletion layer • Equolibrium potential • Barrier potential

  8. Forward bias: CHARACTERISTICS OF DIODE • Reverse bias:

  9. DIODE G]\ JUL"SZ6 • DiodeGL SZ\8 JCGq5FJZ C[g0,L\U SZJFGL 1FDTFGF VFWFZ[o ,M 5FJZ 0FIM0 DL0LID 5FJZ 0FIM0 CF. 5FJZ 0FIM0 • DiodeGL D]bIp5IMULTFGF VFWFZ[o ;Ld5, 0FIM0 :JLRL\U 0FIM0 Z[S8LËFIZ 0FIM0 • AGFJ8G[ VFWFZ[o 5M.g8 SMg8[S8 0FIM0 H\SXG 0FIM0

  10. QUESTIONS • What is the meaning of Intrinsic & Extrinsic Semi-conductor? • Which type of impurity is added in the P-type semi-conductor? • N-type semi-conductor consist of ______. • Write down the classification of diode.

  11. CONCLUTION VF ZLT[ VFH[ VF56[ ;[DLS\0S8Z 0FIM0 lJX[ DFlCTL D[/JLP

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