Electronics

Video Lessons & Revision Notes

Diodes
Diodes
1. Diodes
In this 16 mins Video Lesson
Understanding Diodes for use in Rectifiers, Diodes - Basic Concpets, Diode - Biasing, Ideal Diode in Forward Bias, Ideal Diode in Reverse Bias, Practical Diode in Forward Bias, Practical Diode in Reverse Bias, Diode as Switch, DC Power Supply, and other topics.
Half Wave Rectifiers
Half Wave Rectifiers
2. Half Wave Rectifiers
In this 39 mins Video Lesson
Half Wave Rectifier Circuit Diagram, Operation in Positive Half Cycle, Operation in Negative Half Cycle, Ouput Voltage considering Practical Diode, Average Value of Half wave Rectified Output, RMS Value of Half wave Rectified Output, Half wave Rectified Load Current, Rectification Efficiency for Half Wave Rectifier, Ripple Factor of Half wave Rectified Output, and other topics.
Bridge Fullwave Rectifier
Bridge Fullwave Rectifier
3. Bridge Fullwave Rectifier
In this 36 mins Video Lesson
Why Full Wave Rectifier, Understanding a Full Wave Rectified Waveform, RMS value of Full Wave Rectified Waveform, Average value of Full Wave Rectified Waveform, Ripple Factor of Full Wave Rectified Waveform, Concept of Peak Inverse Voltage (PIV), Why Transformers are Needed before Rectifiers, Bridge Full Wave Rectifier, Peak Inverse Voltage in Bridge Full Wave Rectifier, Efficiency of Bridge Full Wave Rectifier, and other topics.
Center Tapped Full Wave Rectifier
Center Tapped Full Wave Rectifier
4. Center Tapped Full Wave Rectifier
In this 24 mins Video Lesson
Why Center Tapped Full Wave Rectifier, Center Tapped Transformer, Understanding a Center Tapped Full Wave Rectifier, Turns in Secondary Windings for Same Voltage as Bridge, Peak Inverse Voltage in Center Tapped Full Wave Rectifier, Efficiency of Center Tapped Full Wave Rectifier, and other topics.
Filters
Filters
5. Filters
In this 34 mins Video Lesson
Filters - Basic Concepts, Shunt Capacitor Filter with Half Wave Rectifier, Shunt Capacitor Filter with Full Wave Rectifier, Series Inductor Filter with Full Wave Rectifier, Series Inductor Filter with Half Wave Rectifier, and other topics.
Bipolar Junction Transistor
Bipolar Junction Transistor
6. Bipolar Junction Transistor
In this 25 mins Video Lesson
Bipolar Junction Transistor, BJT Configuration, BJT Biasing, Active Mode of Operation, Current Gain of Transistor, and other topics.
Commom Emitter Input and Output Characteristics of BJT
Commom Emitter Input and Output Characteristics of BJT
7. Commom Emitter Input and Output Characteristics of BJT
In this 21 mins Video Lesson
Understanding Common Emitter Characteristics, Common Emitter Input Characteristics, Common Emitter Output Characteristics, Understanding Transistor Operation in Saturation Region, Common Emitter Output Characteristics for different Base Currents, and other topics.

Revision Notes

Transistors (1.86 Mb)

Semiconductor diode, Diode rectifier with R load: Half wave, full wave–center tapped and bridge configuration,RMS value and average value of output voltage, ripple factor, rectification efficiency, introduction to C and L filter (no derivation). CE, CB, CC transistor configuration, CE input-output characteristics.

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