Sr. Topics Teaching Hours Module Weightage
Semiconductor Material, Junction Diode and Applications
1.1 Semiconductor material: Germanium, silicon, atomic structure and characteristics of semiconductor material
1.2 Forward and reverse biased characteristics
1.3 Diode approximation: First, second and third approximation
1.4 Rectifiers: half wave and full wave rectifier - centre tapped and bridge rectifier
1.5 Parameters: PIV, peak current, DC output current, DC output voltage, RMS current and voltage, ripple factor and efficiencies of rectifier circuits
1.6 Diode clipper: Biased and unbiased clipper, positive and negative and combination clippers
1.7 Diode clamper: Positive and negative clamper, voltage doublers and multiplier
Special Purpose Devices
2.1 Zener diode, tunnel diode, varactor diode and schottky diode
2.2 Photo diode, LDR, photovoltaic cell and photo transistor, light emitting diode, opto-coupler, 7- segment display
Bipolar Junction Transistor
3.1 NPN, PNP; working as an amplifier
3.2 CB, CE and CC: Current gain: ß and a, relation between ß and a, voltage gain and power gain
3.3 h-parameters and its equivalent circuit
Transistor Biasing Circuits, Transistor Amplifiers and Thermal Stability
4.1 Importance of biasing, fixed bias, collector to base bias, emitter bias and voltage divider bias
4.2 CB, CE, CC Amplifiers
4.3 Comparisons of CB, CE and CC amplifier, basic concepts of CB and CC amplifier, Darlington pair
4.4 Load line consideration, operating point for CE amplifier, DC load line, Q point, operating parameters: Av, Ai, Ap, Ro, Ri.
4.5 Thermal instability, thermal runaway and stability factor, thermal resistance
4.6 Types of heat sinks
Filter and Regulated Power Supply
5.1 Filters: Types of filters- series L filter, shunt C filter, chock input filter, p filter
5.2 Zener as voltage regulator
5.3 Series voltage regulator, shunt regulator using transistor
5.4 Three terminal IC voltage regulator ICs i.e. 7805, 7812, 7905, 7912