Contents

1. Passive Components     

1.1 Introduction     

1.2 Resistor   

1.3 Capacitor  

1.4 Inductor   

1.5 Transformer

1.6 Switches   

1.7 Fuses 25

1.8 Cables     

1.9 Connectors 

1.10 Batteries  

1.11 Relays     

1.12 PCBs 

2. Basic Circuits using Passive Components  

2.1 Concept of voltage and current source

2.2 Ohm’s law  

2.3 Electric power   

2.4 Potential divider arrangement

2.5 Different types of signals in electronics

2.6 Wave shaping circuits  

2.7 Resonance in l.C.R. circuit  

2.8 Concept of reactance and impedance 

2.9 Phasor representation of alternating quantities

3. Network Theorems

3.1 Introduction     

3.2 Kirchoff’s law   

3.3 Application of kcl and kvl   

3.4 T and ? Networks and their interconversion 

3.5 Mesh current and loop current methods of circuit analysis  

3.6 Thevenin and norton equivalents of simple resistive network

3.7 Superposition theorem  

3.8 Maximum power transfer theorem     

4. Semiconductor Devices  

4.1 Introduction     

4.2 P-N junction     

4.3 Zener diode

4.4 Light emitting diode (Led)   

4.5 Photodiode

4.6 Switching diode  

4.7 Varactor diodes (Varicap)    

4.8 Optocoupler

4.9 Bipolar junction transistor  

4.10 FET  

4.11 Mosfets or igfets

4.12 MOS capacitor    

4.13 Mesfet

4.14 UJT  

4.15 Silicon controlled rectifier 

4.16 Triac (Triode A.C. Switch)   

4.17 Diac (Diode A.C. Switch)     

5. Basic Circuits using Active Devices

5.1 Diode circuits   

5.2 Voltage multipliers    

5.3 Clipping and clamping circuits     

5.4 Zener diode as voltage regulator   

5.5 BJT circuits     

5.6 UJT circuits     

5.7 FET circuits     

6. Operational Amplifier  

6.1 Introduction     

6.2 Basic idea of the op-amp     

6.3 Ideal op-amp as black box    

6.4 Input and output impedance   

6.5 Op-amp circuits