P.K.R. Arts College for Women - Autonomous Institution Affiliated to Bharathiar University
"Located in Gobichettipalayam, P.K.R. Arts College for Women is an accredited institution offering a PG program in Physics under Bharathiar University. As an autonomous institution with a grade from NAAC, it provides quality education and a conducive learning environment for women students. Join us to explore the world of Physics and broaden your academic horizons."
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P.K.R. Arts College for Women (Accredited with A Grade by NAACAutonomous Institution-Affiliated to Bharathiar University)Gobichettipalayam 638 476 PG PROGRAMME Department : Physics Semester : Second Programme : M.Sc Branch : Physics Course (Subject) Code:19PHP07 Course (Subject) Title: General Electronics
Questions 1. (i)Construct Regulated and dual power supply, (ii)write a matlab program for charging of RC circuit. 2. Make a circuit for inverting, non inverting and Voltage follower by using Op Amp. 3. Draw a circuit for Differentiating , Integrating , Clipping and Clamping by using Op amp and trace its outputs 4. Construct a waveform generator using Op Amp 5. Make a readings for various capacitance values of phase shift oscillator using Op Amp 6. Construct the UJT relaxation oscillator and a differential amplifier
7. Using a Digital IC draw a basic logic circuit and verify its truth table 8. Construct High pass, Low pass and Band pass filters and calculate its Rms value 9. Design Adder, Subtractor, Scale changer and Sign changer using Opamp 10. (i)Construct Differential amplifier (ii) Plot of forward characteristics and load line plot estimation point of diode by using Matlab program 11. (i)Construct UJT relaxation oscillator (ii )Write a mat lab program for RC charging process 12. (i) Design a circuit for Schmitt Trigger and calculate its hysteresis voltage (ii) Write a program for charging a RL circuit
Design of Regulated and Dual Power Supply i 1 IC Regulated Power Supply Dual Power Supply Without Load = 4.81V Without Load = 9.14V Range of AC Voltage Load Resistance (k ) Range of AC Voltage Load Resistance (k ) Output DC (volt) Output DC (volt) 0 to +ve 0 to -ve 0 0 1 8.71 -8.67 1 4.79 2 8.92 -8.81 2 4.80 3 8.99 -8.83 3 4.81 4 9.07 -8.95 4 4.81 5 9.11 -9.01 12-0-12 5 4.81 12-0-12 6 9.13 -9.03 6 4.81 7 9.14 -9.03 7 4.81 8 9..14 -9.03 8 4.81 9 9.14 -9.05 9 4.81 10 9.14 -9.05 10 4.81 Charging of an RC circuit ii Matlab program
Amplifier - Inverting, Non-inverting, Voltage follower using OP-Amp 2 Output voltage (Vo) Input Vin (Volt) Observed values Theoretical values 1 -2.11 Inverting amplifier 1.5 -3.23 2 -4.35 2.5 -5.40 3 -6.61 Output voltage (Vo) Input Vin (Volt) Observed values Theoretical values Non-Inverting amplifier 1.05 3.28 1.53 4.82 2.05 6.44 2.56 8.05 3.08 9.10 Output voltage (Vo) Input Vin (Volt) Observed values Theoretical values 1.04 1.03 Voltage follower 1.55 1.54 2.08 2.07 2.55 2.55 3.07 3.07
CRO Differentiating - Integrating Clipping Clamping Circuit 3 Positive Clipping Negative Clipping Positive clamping Negative clamping Differentiater Integrator
Design of Waveform generator using Op-Amp Sine wave Square wave 4 Resistance value (k ) Capacitanc e ( F) Frequency of Oscillator Theoretical value Experimental value Resistance value (k ) Capacitanc e ( F) Frequency of Oscillator 0.11 2500 Theoretical value Experimental value 0.21 1666.6 0.11 1969 0.31 1250 0.21 984.96 0.41 1000 10 k 0.31 656.041 0.51 833.3 0.41 492.48 0.61 714 0.51 393.98 0.71 625 10 k 0.61 328.3 Triangular wave 0.71 281.42 0.81 282.42 0.91 229.9 1.01 196.9 Resistance value (k ) Capacitanc e ( F) Frequency of Oscillator Theoretical value Experimental value 0.01 1969 0.02 984.96 0.03 656.6 0.04 492.4 0.05 393.9 3.3 k 0.06 328.3
Design of Op-Amp Phase Shift Oscillator 5 For varying capacitance For varying resistance Resistance value in (k ) Capacitance value in ( F) Experimen tal value in (Hz) Theortical value in (Hz) Resistance value in (k ) Capacitance value in ( F) Experimen tal value in (Hz) Theortical value in (Hz) 0.01 2000 1.1 6250 0.02 1000 2.1 3571.4 0.03 714.2 3.1 2272.7 0.04 555.6 4.1 1851.8 0.01 0.05 434.9 3.3(k ) 5.1 1612.9 0.06 357.1 6.1 1428.5 0.07 312.5 7.1 1136.3 0.08 270.3 0.09 243.9 0.10 222.2
Schmitt Trigger i 6 Vo = 5.7 V R1=10 k R2=100 k VH=? Design of Differential Amplifier ii VA(Volt) VB Experimental value (Vo) Theoretical value (Vo) (Volt) 6 0.56 -5.72 6 1.05 -5.11 6 1.56 -4.77 6 2.05 -4.26 6 2.56 -3.82 6 3.05 -3.26 6 3.56 -2.75 6 4.05 -2.23 6 4.56 1.78 6 5.05 1.28
7 Basic Logic Circuits Digital IC s
Active Filters 8 High Pass Filter Band Pass Filter Low Pass Filter Frequency (Hz) Log Output Voltage (V) Gain = Vo/Vin Frequency (Hz) Log Output Voltage (V) Gain = Vo/Vin Frequency (Hz) Log Output Voltage (V) Gain = Vo/Vin Frequency (Hz) Frequency (Hz) Frequency (Hz) 3000 3.0 1000 1.5 1000 1.9 4000 4.0 2000 1.7 1200 1.8 5000 5.0 3000 1.8 1400 1.7 6000 6.0 4000 1.9 1600 2.0 7000 7.9 5000 1.9 1800 2.0 8000 8.9 6000 1.9 2000 2.0 9000 9.8 7000 2.0 2200 2.0 10000 1.7 8000 2.0 2400 1.9 11000 1.6 9000 2.0 2600 1.8 10000 1.5 10000 2.0 2800 1.6 3000 1.5 3200 3400
Operational Amplifier - Adder Subtractor Scale and Sign Changer 9 Adder Subtractor S.No VA VB Observed Value Theoretical Value S.No VA VB Observed Value Theoretical Value 1 6.35 1.75 -8.10 1 6.35 1.75 -2.81 2 6.35 2.06 -8.50 2 6.35 2.06 -2.92 3 6.35 2.62 -8.02 3 6.35 2.62 -2.81 4 6.35 2.82 -8.59 4 6.35 2.82 -2.62 5 6.35 3.50 -9.88 5 6.35 3.50 -2.47 Sign changer Scale changer S. No Vin Vo Vo VA Observed value Vo=Vin -6.86 Theoretical Value Vo=Vin 1 1.55 -1.55 1.50 2 1.83 -1.83 1.83 -8.28 3 2.20 -2.20 1.99 -9.03 4 2.55 -2.55 2.13 -9.64 5 2.80 -2.80 2.38 -10.78
Diode Plot of Forward Characteristics and Load Line Plot Estimation of Operating Point i 10 Matlab program Design of Differential Amplifier ii VA(Volt) VB Experimen tal value (Vo) Theoretic al value (Vo) (Volt) 6 0.51 -5.72 6 1.01 -5.11 6 1.51 -4.77 6 2.01 -4.26 6 2.51 -3.82 6 3.01 -3.26 6 3.55 -2.75 6 4.02 -2.23 6 4.55 1.78 6 5.06 1.28
UJT Relaxation Oscillator i 11 Value of Capacitance = 0.01 F Resistance value in (k ) Value of Resistance = 20 k Capacitanc e value in ( F) Experimental value in (Hz) Resistance value in (k ) Capacitance value in ( F) Experimen tal value in (Hz) 20 1.8 30 2.6 0.01 1.6 40 3.2 0.02 2.2 50 4.8 0.01 0.03 4.6 60 5.6 20 0.04 6.2 70 6.4 0.05 8.4 80 7.8 0.06 9.2 90 8.8 Charging of an RC circuit ii Matlab program
Schmitt Trigger i 12 Vo = 6.7 V R1=11 k R2=100 k VH=? Charging of an RL circuit ii Matlab program
LIST OF EXPERIMENTS 1. Basic Logic circuits Digital IC s 2. Amplifier Inverting, Non-inverting, Voltage follower using OP-Amp 3. Design of Regulated and Dual Power Supply 4. CRO Differentiating Integrating Clipping and Clamping circuits 5. Operational Amplifier Adder Subtractor Scale and Sign Changer 6. Charging of an RC circuit 7. Diode Plot of Forward Characteristics and Load line plot estimation of Operating Point 8. Design of Waveform generator using Op-Amp 9. Schmitt Trigger 10.Charging of an RL circuit 11.Design of Op-Amp Phase shift Oscillator 12.UJT Relaxation Oscillator 13.Active Filters 14.Design of Differential Amplifier
