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Semiconductor Devices
- 1. Semiconductor Devices By Rajesh Kumar
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- 3. Types of SemiconductorDevices
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- 10. Unit which consistslagely or wholly,of semiconductor materials which can perform useful function in electronic apparatus & solid state research.
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- 12. Types of SemiconductorsThere are two types of Semiconductors
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- 17. Extrinsic Semiconductors: Ex:p-typeand n-type
- 18. DIODE Diode isdevice with two electrodes.
- 19. A p-n junciondiode is a two terminal device made up of semiconductor crystal.
- 20. P-N junction diode+ - P-n junction diode ckt symbol
- 21. Forward Bias Resistanceis very small + - mA Depletion Layer B p n P-n junction-Forward Bias
- 22. Reverse Bias Resistanceis very high
- 23. Conduction is dueto thermal agitation. Depletion Layer B + - p n MA P-n junction-Reverse Bias
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- 25. A transistor isa semiconductor device used to amplify and switch electronic signal.
- 26. Consist of twop-n junctions back to back
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- 31. Base is madeup of P-type
- 32. Current conduction ismainly due to holes P-N-P Transistor p p p p n Ckt symbol of p-n-p transistor E B C p-n-p transistor
- 33. N-P-N Transistor Baseis made up of p-type.
- 34. Current conduction ismainly due to electrons. E C B n n p Ckt symbol of n-p-n transistor n-p-n transistor
- 35. Advantages Used inmicrocircuits.
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- 38. Swithches turn on&offwith the use of transistor.
- 39. ANY QURIES? Cantwo diodes combined back to back as shown in
- 40. fig to forma transistor? P N N P
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