EC 2208 ELECTRONIC CIRCUITS LAB I
(Common to ECE & Bio Medical Engineering) L T 0 0 P C 3 2
Expt No.1 Fixed Bias amplifier circuit using BJT
1. Waveforms at input and output without bias.
2. Determination of bias resistance to locate Q-point at center of load line.
3. Measurement of gain.
4. Plot the frequency response & Determination of Gain Bandwidth Product
Expt No.2 Design and construct BJT Common Emitter Amplifier using voltage divider bias (self-bias) with and without bypassed emitter resistor.
1. Measurement of gain.
2. Plot the frequency response & Determination of Gain Bandwidth Product
30
Expt No.3 Design and construct BJT Common Collector Amplifier using voltage divider bias (self-bias).
1. Measurement of gain.
2. Plot the frequency response & Determination of Gain Bandwidth Product
Expt No.4 Darlington Amplifier using BJT.
1. Measurement of gain and input resistance. Comparison with calculated values.
2. Plot the frequency response & Determination of Gain Bandwidth Product
Expt No.5 Source follower with Bootstrapped gate resistance
1. Measurement of gain, input resistance and output resistance with and without Bootstrapping. Comparison with calculated values.
Expt No.6 Differential amplifier using BJT
1. Measurement of CMRR.
Expt No.7 Class A Power Amplifier 1 .Observation of output waveform.
2. Measurement of maximum power output.
3. Determination of efficiency.
4. Comparison with calculated values.
Expt No.8 Class B Complementary symmetry power amplifier 1 .Observation of the output waveform with crossover Distortion.
2. Modification of the circuit to avoid crossover distortion.
3. Measurement of maximum power output.
4. Determination of efficiency.
5. Comparison with calculated values.
Expt No.9 Power Supply circuit - Half wave rectifier with simple capacitor filter.
1. Measurement of DC voltage under load and ripple factor, Comparison with calculated values.
2. Plot the Load regulation characteristics using Zener diode.
Expt No.10 Power Supply circuit - Full wave rectifier with simple capacitor filter
1. Measurement of DC voltage under load and ripple factor, Comparison with calculated values.
2. Measurement of load regulation characteristics. Comparison with calculated values.
LIST OF EQUIPMENTS AND COMPONENTS FOR A BATCH OF 30 STUDENTS
(3 per Batch)
S.No Name of the equipments / Components Quantity Required Remarks
1 Variable DC Power Supply 8 (0-30V)
2 CRO 10 30MHz
4 Multimeter 6 Digital
6 Function Generator 8 1 MHz
7 DC Ammeter 10
31
8 DC Voltmeter 10
Consumables (Minimum of 25 Nos. each)
9 BC107, BC147,BC 108, BC 148, BC547, BC 548,
SL 100, SK100 or Equivalent transistors.
10 Resistors 1/4 Watt Assorted
11 Capacitors
12 Inductors
13 Diodes, Zener Diodes
14 Bread Boards
15 T ransformers 4
(Common to ECE & Bio Medical Engineering) L T 0 0 P C 3 2
Expt No.1 Fixed Bias amplifier circuit using BJT
1. Waveforms at input and output without bias.
2. Determination of bias resistance to locate Q-point at center of load line.
3. Measurement of gain.
4. Plot the frequency response & Determination of Gain Bandwidth Product
Expt No.2 Design and construct BJT Common Emitter Amplifier using voltage divider bias (self-bias) with and without bypassed emitter resistor.
1. Measurement of gain.
2. Plot the frequency response & Determination of Gain Bandwidth Product
30
Expt No.3 Design and construct BJT Common Collector Amplifier using voltage divider bias (self-bias).
1. Measurement of gain.
2. Plot the frequency response & Determination of Gain Bandwidth Product
Expt No.4 Darlington Amplifier using BJT.
1. Measurement of gain and input resistance. Comparison with calculated values.
2. Plot the frequency response & Determination of Gain Bandwidth Product
Expt No.5 Source follower with Bootstrapped gate resistance
1. Measurement of gain, input resistance and output resistance with and without Bootstrapping. Comparison with calculated values.
Expt No.6 Differential amplifier using BJT
1. Measurement of CMRR.
Expt No.7 Class A Power Amplifier 1 .Observation of output waveform.
2. Measurement of maximum power output.
3. Determination of efficiency.
4. Comparison with calculated values.
Expt No.8 Class B Complementary symmetry power amplifier 1 .Observation of the output waveform with crossover Distortion.
2. Modification of the circuit to avoid crossover distortion.
3. Measurement of maximum power output.
4. Determination of efficiency.
5. Comparison with calculated values.
Expt No.9 Power Supply circuit - Half wave rectifier with simple capacitor filter.
1. Measurement of DC voltage under load and ripple factor, Comparison with calculated values.
2. Plot the Load regulation characteristics using Zener diode.
Expt No.10 Power Supply circuit - Full wave rectifier with simple capacitor filter
1. Measurement of DC voltage under load and ripple factor, Comparison with calculated values.
2. Measurement of load regulation characteristics. Comparison with calculated values.
LIST OF EQUIPMENTS AND COMPONENTS FOR A BATCH OF 30 STUDENTS
(3 per Batch)
S.No Name of the equipments / Components Quantity Required Remarks
1 Variable DC Power Supply 8 (0-30V)
2 CRO 10 30MHz
4 Multimeter 6 Digital
6 Function Generator 8 1 MHz
7 DC Ammeter 10
31
8 DC Voltmeter 10
Consumables (Minimum of 25 Nos. each)
9 BC107, BC147,BC 108, BC 148, BC547, BC 548,
SL 100, SK100 or Equivalent transistors.
10 Resistors 1/4 Watt Assorted
11 Capacitors
12 Inductors
13 Diodes, Zener Diodes
14 Bread Boards
15 T ransformers 4