Multistage Transistor Audio Amplifier Circuit Video
This electronics video tutorial discusses the basic elements of a multistage transistor audio amplifier circuit. It explains the importance of the bypass capacitors as it relates to voltage gain and distortion as well as the importance of the potentiometers for volume control and managing the input voltages. It also mentions the DC beta and hfe values of a typical NPN transistor as well as the purpose of the coupling capacitors. Finally, it discusses the efficiency of a regular common emitter transistor amplifier vs the class A transformer coupled amplifier.
Transistors - NPN & PNP:
https://www.youtube.com/watch?v=AcxDiesy-nI
BJT Transistors - Electronic Switches:
https://www.youtube.com/watch?v=VJJuxQk5fTY
Night Activated LDR Sensor Circuit:
https://www.youtube.com/watch?v=X5jm9_nikd8
Finding The DC Load Line & Q-Point:
https://www.youtube.com/watch?v=qKIEyN_y3d4
Voltage Divider Bias Circuit:
https://www.youtube.com/watch?v=jPSIQDyKm90
Collector Feedback Bias Circuit:
https://www.youtube.com/watch?v=EzanqOFnCx4
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Emitter Feedback Bias Circuit:
https://www.youtube.com/watch?v=V1zKogDwXyk
Common Emitter Amplifier:
https://www.youtube.com/watch?v=ZUXG9eZfSlw
Common Collector & Base Amplifier:
https://www.youtube.com/watch?v=SmsTQ7MVqRw
Darlington Pair & Beta Current Gain:
https://www.youtube.com/watch?v=t1YECnWPGbQ
Class A, AB, B, & C Amplifier Circuits:
https://www.youtube.com/watch?v=0e_OUyGCaBs
Voltage Gain of Transistor Amplifier:
https://www.youtube.com/watch?v=-MyVscG-Pew
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Transistor Audio Mixer Circuit:
https://www.youtube.com/watch?v=CKaDxZrjaGA
Operational Amplifiers:
https://www.youtube.com/watch?v=idJEMYhrIfs
Summing Amplifiers:
https://www.youtube.com/watch?v=p4FQyOwjhLA
LM386 Audio Amplifier:
https://www.youtube.com/watch?v=MvTCROpv_jw
LC Oscillator Tank Circuit:
https://www.youtube.com/watch?v=nh4q7mIhLrY
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Final Exams and Video Playlists:
https://www.video-tutor.net/
Full-Length Videos and Worksheets:
https://www.patreon.com/MathScienceTutor/collections
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