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Transcript of Electronics Devices and Circuit Theory 10th Edition - Boylestad Electronics Fundamentals 8 th...
![Page 1: Electronics Devices and Circuit Theory 10th Edition - Boylestad Electronics Fundamentals 8 th edition - Floyd/Buchla Majority and Minority Carriers Majority.](https://reader034.fdocuments.us/reader034/viewer/2022052120/56649f445503460f94c65a8a/html5/thumbnails/1.jpg)
Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Majority and Minority Carriers Majority Carriers – The majority carriers in n-type materials are
electrons. – The majority carriers in p-type materials are
holes.
• Minority Carriers
– The minority carriers in n-type materials are holes.
– The minority carriers in p-type materials are electrons.
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
p-n Junctions • One end of a silicon or germanium
crystal can be doped as a p-type material and the other end as an n-type material.
• The result is a p-n junction.
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
p-n Junction
The result is the formation of a depletion region around the junction.
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
p-n Junction
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
p-n Junction
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Diodes The diode is a 2-terminal device.
A diode ideally conducts in only one direction.
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Diode Operating Conditions
A diode has three operating conditions: – No bias – Forward bias – Reverse bias
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Diode Operating Conditions • No Bias
– No external voltage is applied: VD = 0 V – No current is flowing: ID = 0 A – Only a modest depletion region exists
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Diode Operating Conditions• Reverse Bias
– External voltage is
applied across the
p-n junction in the
opposite polarity of
the p- and n-type materials.
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Diode Operating Conditions• Reverse Bias
The reverse voltage causes the depletion region to widen. The electrons in the n-type material are attracted toward the positive terminal of the voltage source. The holes in the p-type material are attracted toward the negative terminal of the voltage source.
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Diode Operating Conditions
• Forward Bias – External voltage is applied across the p-n junction in
the same polarity as the p- and n-type materials.
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Diode Operating Conditions• Forward Bias
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Diode Characteristics Conduction Non-Conduction
Region Region
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Actual Diode Characteristics
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Zener Region
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Forward Bias Voltage
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Temperature Effects
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
IDEAL VERSUS PRATICAL
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Resistance Levels
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
DC (Static) Resistance
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
AC (Dynamic) Resistance
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Average AC Resistance
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Diode Equivalent Circuit
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Diode Capacitance
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Reverse Recovery Time (trr)
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Diode Specification Sheets
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Diode Symbol and Packaging
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Other Types of Diodes
• Zener diode
• Light-emitting diode
• Diode arrays
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Zener Diode
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Light-Emitting Diode (LED)
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Electronics Devices and Circuit Theory 10th Edition - Boylestad
Electronics Fundamentals 8th edition - Floyd/Buchla
Diode Arrays