Electronic Principles and Circuits
Subject Code | Credits | CIE Marks | SEE Marks | Total Marks | Exam Hours |
---|---|---|---|---|---|
BEC303 | 04 | 50 | 50 | 100 | 02 |
Module 1
BJT AC models: Base Biased Amplifier, Emitter Biased Amplifier, Small Signal Operation, AC Beta, AC Resistance of the emitter diode, Two transistor models, Analyzing an amplifier. Voltage Amplifiers: Voltage gain, Multistage Amplifiers. CC and CB Amplifiers: CC Amplifier, Output Impedance, Cascading CE and CC, Darlington Connections, Voltage regulation, The Common base Amplifier. [Text1]
Module 2
MOSFET Biasing in MOS amplifier circuits: Fixing VGS, Fixing VG, Drain to Gate feedback resistor. Small signal operation and modelling: The DC bias point, signal current in drain, voltage gain, small signal equivalent circuit models, transconductance, The T equivalent circuit model. MOSFET Amplifier configuration: Basic configurations, characterizing amplifiers, CS amplifier with and without source resistance, The Common Gate Amplifier, Source follower.
Module 3
Linear Opamp Circuits: Summing Amplifier and D/A Converter, Nonlinear Op-amp Circuits: Comparator with zero reference, Comparator with non-zero references. Comparator with Hysteresis. Oscillator: Theory of Sinusoidal Oscillation, The Wein-Bridge Oscillator, RC Phase Shift Oscillator, The Colpitts Oscillator, Hartley Oscillator, Crystal Oscillator. The 555 timer: Monostable Operation, Astable Operation. [Text1]
Module 4
Negative Feedback: Four Types of Negative Feedback, VCVS Voltage gain, Other VCVS Equations, ICVS Amplifier, VCIS Amplifier, ICIS Amplifier (No Mathematical Derivation). Active Filters: Ideal Responses, First Order Stages, VCVS Unity Gain Second Order Low pass Filters, VCVS Equal Component Low Pass Filters, VCVS High Pass Filters, MFB Bandpass Filters, Bandstop Filters. [Text1]
Module 5
Power Amplifiers: Amplifier terms, Two load lines, Class A Operation, Class B operation, Class B push pull emitter follower, Class C Operation. Thyristors: The four layer Diode, SCR, SCR Phase control, Bidirectional Thyristors, IGBTs, Other Thyristors. [Text1]
VIMP
Very important questions serve as a crucial element in exam preparation, allowing students to focus on the most relevant content and effectively gauge their understanding. By practicing these questions, students can build confidence, enhance their knowledge, and approach their exams with a well-rounded perspective. Ultimately, mastering these key questions can make a significant difference in academic performance.
Solved MQ
Solved model question papers are a cornerstone of effective exam preparation. They not only familiarize students with the exam format but also enhance their problem-solving abilities and boost their confidence. By incorporating these papers into your study routine, you can approach your exams with a sense of preparedness and assurance. Remember, the key to success lies not just in practice, but in understanding and learning from each experience.
Lab Manual
Experiments :-
1. Design and Test
(i) Bridge Rectifier with Capacitor Input Filter
(ii) Zener voltage regulator
2. Design and Test
Biased Clippers –
a)Positive,
b) Negative ,
c) Positive-Negative
Positive and Negative Clampers with and without Reference.
3. Plot the transfer and drain characteristics of a JFET and calculate its drain resistance, mutual conductance
and amplification factor.
4. Plot the transfer and drain characteristics of n-channel MOSFET and calculate its parameters, namely;
drain resistance, mutual conductance and amplification factor.
5.
Design and test
(i) Emitter Follower ,
(ii) Darlington Connection
6.
Design and plot the frequency response of Common Source JFET/MOSFET amplifier
7.
Test the Opamp Comparator with zero and non zero reference and obtain the Hysteresis curve.
8.
Design and test Full wave Controlled rectifier using RC triggering circuit.
9. Design and test Precision Half wave and full wave rectifiers using Opamp
10. Design and test RC phase shift oscillator