Laboratory Experiments
Note: The experiments are to be carried using discrete components only
1.To design and test Full Wave Rectifier (with center tap transformer) with and without filters.
2To design and test Full Wave Bridge Rectifier with and without filters.
3.To plot characteristics of UJT and to determine its intrinsic stand-off ratio.
4.To design and test the common emitter amplifier (voltage divider bias) without feedback and determine input, output impedance, gain and bandwidth.
5.To design and test the Emitter follower amplifier (BJT) using voltage divider bias and determine input, output impedance, gain and bandwidth.
6.To plot the Drain and Transfer characteristic for the given FET and to find the Drain Resistance and Transconductance.
7.To plot the input and output characteristics of n-channel MOSFET and calculatedrain resistance, mutual conductance and amplification factor.
8.To design, test and plot the frequency response of Common Source JFET/MOSFET amplifier, and to determine its bandwidth.
9.Wiring and testing of Complimentary symmetry class B push pull power amplifier and calculation of efficiency.
10.To design and test the RC-Phase shift Oscillator using BJT for the given frequency.
11.To design and test the following tuned oscillator circuits for the given frequency. (a) Hartley Oscillator using BJT (b) Colpitts Oscillator using FET.
12.Testing of crystal oscillator and to determine its frequency of oscillation.
Course Outcomes:
After studying this course, students will able to:
• Able to design Single stage, Multistage amplifier, with and without feedback
• Able to analyze Frequency response of BJT and FET.
• Acquire the knowledge of Power amplifiers, operation, and able to design power amplifier.
• Apply the knowledge gained in the design of BJT/FET circuits in Oscillators
• Knowledge of UJT characteristics and its application.
• Applications of theorems in various practical fields.
Conduct of Practical Examination:
1. All laboratory experiments are to be included for practical examination.
2. Students are allowed to pick one experiment from the lot.
3. Strictly follow the instructions as printed on the cover page of answer script for breakup of marks.
4. Change of experiment is allowed only once and 15% Marks allotted to the procedure part to be made zero.
Reference Books:
1. Electronics Lab Manual by K. A. Navas, Volume I, PHI, 5th Edition, 2017, ISBN:9788120351424.
2. Electronics Laboratory Primer - A Design Approach by S.Poorna Chandra, B.Sasikala, S Chand Pub.