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IC APPLICATIONS LAB
Dept. of ECE CREC 1
LAB MANUAL
ON
IC APPLICATIONS
III B.TECH I SEMESTER ECE
(JNTUA-R13)
Verified and Compiled by:
Dr. V. THRIMURTHULU, M.E, Ph.D., MISTE, MIETE
Professor, Dept. of ECE
Mr. S. ALI ASGAR, M.Tech Ms. A.MOUNIKA, M.Tech
Assistant Professor, Dept. of ECE Assistant Professor, Dept. of ECE
DEPARTMENT OF ELECTRONICS & COMMUNICATION ENGINEERING
CHADALAWADA RAMANAMMA ENGINEERING COLLEGE
CHADALAWADA NAGAR, RENIGUNTA ROAD, TIRUPATI (A.P) – 517506
IC APPLICATIONS LAB
Dept. of ECE CREC 2
LIST OF EXPERIMENTS
1. Study the characteristics of negative feedback amplifier
a. A Unity gain amplifier
b. A Non-inverting amplifier
c. An Inverting Amplifier
2. Design of an Instrumentation amplifier
3. Design of Astable Multivibrator
4. Design of an Op-amp as an Integrator
5. Design of a Function Generator
6. Design of Analog filters- I
7. Design of Analog filters- II
8. Design of Voltage Controlled Oscillator (VCO)
9. Design of Phase Locked Loops (PLL)
10. Design of Automatic Gain Control (AGC)/Automatic Volume Control (AVC)
Characteristics
11. Design of Low drop out regulator
12. Design of DC-DC Converter
IC APPLICATIONS LAB
Dept. of ECE CREC 3
1.STUDY THE CHARACTERISTICS OF NEGATIVE FEEDBACK AMPLIFIER
1(A). INVERTING AMPLIFIER
AIM: To Design an Inverting amplifier for the given specifications using ASLK-PRO.
APPARATUS REQUIRED:
S.No Name of the Apparatus Range Quantity
1 Function Generator 3 M Hz 1
2 CRO 30 M Hz 1
3 Dual RPS (0-30)V 1
4 ASLK-PRO TL 082 IC 1
5 Connecting Wires As Required
PRECAUTIONS:
1. Output voltage will be saturated if it exceeds ± 10V.
PROCEDURE:
1. Connections are given as per the circuit diagram in the ASLK-PRO.
2. By adjusting the amplitude and frequency knobs of the function generator, appropriate input
voltage is applied to the inverting input terminal of the Op-Amp.
3. The output voltage is obtained in the CRO and the input and output voltage waveforms are
plotted in a graph sheet.
PIN DIAGRAM:
IC APPLICATIONS LAB
Dept. of ECE CREC 4
CIRCUIT DIAGRAM:
DESIGN:
We know for an inverting Amplifier ACL = RF / R1
Assume R1 (approx. 10 KΩ) and find Rf
Hence Vo(theoretical) = - ACL Vi
OBSERVATIONS:
S.No
Amplitude (V)
Input
Output
IC APPLICATIONS LAB
Dept. of ECE CREC 5
MODEL GRAPH:
RESULT:
IC APPLICATIONS LAB
Dept. of ECE CREC 6
1(B). NON-INVERTING AMPLIFIER
AIM: To Design a Non-Inverting amplifier for the given specifications using ASLK-PRO.
APPARATUS REQUIRED:
S.No Name of the Apparatus Range Quantity
1 Function Generator 3 M Hz 1
2 CRO 30 M Hz 1
3 Dual RPS (0-30)V 1
4 ASLK-PRO TL 082 IC 1
5 Connecting Wires As Required
PRECAUTIONS:
1. Output voltage will be saturated if it exceeds ± 10V.
PROCEDURE:
1. Connections are given as per the circuit diagram in the ASLK-PRO.
2. By adjusting the amplitude and frequency knobs of the function generator, appropriate input
voltage is applied to the non-inverting input terminal of the Op-Amp.
3. The output voltage is obtained in the CRO and the input and output voltage waveforms are
plotted in a graph sheet.
PIN DIAGRAM:
IC APPLICATIONS LAB
Dept. of ECE CREC 7
CIRCUIT DIAGRAM:
DESIGN:
We know for a non-inverting Amplifier ACL = 1+(RF / R1 )
Assume R1 (approx. 10 KΩ) and find Rf
Hence Vo(theoretical) = ACL Vi
OBSERVATIONS:
S.No
Amplitude (V)
Input
Output
IC APPLICATIONS LAB
Dept. of ECE CREC 8
MODEL GRAPH:
RESULT:
IC APPLICATIONS LAB
Dept. of ECE CREC 9
1(C). UNITY GAIN AMPLIFIER
AIM: To Design a Unity gain amplifier for the given specifications using ASLK-PRO.
APPARATUS REQUIRED:
S.No Name of the Apparatus Range Quantity
1 Function Generator 3 M Hz 1
2 CRO 30 M Hz 1
3 Dual RPS (0-30)V 1
4 ASLK-PRO TL 082 IC 1
5 Connecting Wires As Required
PRECAUTIONS:
1. Output voltage will be saturated if it exceeds ± 10V.
PROCEDURE:
1. Connections are given as per the circuit diagram in the ASLK-PRO.
2. By adjusting the amplitude and frequency knobs of the function generator, appropriate input
voltage is applied to the non-inverting input terminal of the Op-Amp.
3. The output voltage is obtained in the CRO and the input and output voltage waveforms are
plotted in a graph sheet.
PIN DIAGRAM:
IC APPLICATIONS LAB
Dept. of ECE CREC 10
CIRCUIT DIAGRAM:
DESIGN:
We know for a Unity gain Amplifier Vo=Vi
OBSERVATIONS:
S.No
Amplitude (V)
Input
Output
IC APPLICATIONS LAB
Dept. of ECE CREC 11
MODEL GRAPH:
RESULT:
IC APPLICATIONS LAB
Dept. of ECE CREC 12
2. DESIGN OF INSTRUMENTATION AMPLIFIER
AIM: Design an Instrumentation amplifier of Differential mode gain of ‘A’ using three op-amps.
APPARATUS:
S.No Name of the Apparatus Range Quantity
1 Function Generator 3 M Hz 1
2 CRO 30 M Hz 1
3 Dual RPS (0-30)V 1
4 ASLK-PRO TL 082 IC 3
5 Connecting Wires As Required
PRECAUTIONS:
1. Output voltage will be saturated if it exceeds ± 10V.
PROCEDURE:
1. Connections are given as per the circuit diagram in the ASLK-PRO.
2. By adjusting the amplitude and frequency knobs of the function generator, appropriate input
voltage is applied to the inverting input terminal of the Op-Amp.
3. The output voltage is obtained in the CRO.
PIN DIAGRAM:
IC APPLICATIONS LAB
Dept. of ECE CREC 13
CIRCUIT DIAGRAM:
DESIGN:
We know for an instrumentation Amplifier
OBSERVATIONS:
S.No Amplitude (V)
Input V1=
V2=
Output
RESULT:
IC APPLICATIONS LAB
Dept. of ECE CREC 14
3. DESIGN OF ASTABLE MULTIVIBRATOR
AIM: To Design an Astable Multivibrator for the given specifications using ASLK-PRO.
APPARATUS REQUIRED:
S.No Name of the Apparatus Range Quantity
1 Function Generator 3 M Hz 1
2 CRO 30 M Hz 1
3 Dual RPS (0-30)V 1
4 ASLK-PRO TL 082 IC 1
5 Connecting Wires As Required
PRECAUTIONS:
1. Output voltage will be saturated if it exceeds ± 10V.
PROCEDURE:
1. Connections are given as per the circuit diagram in the ASLK-PRO.
2. By adjusting the amplitude and frequency knobs of the function generator, the output
waveform is obtained in the CRO and the input and output voltage waveforms are plotted in a
graph sheet.
PIN DIAGRAM:
IC APPLICATIONS LAB
Dept. of ECE CREC 15
CIRCUIT DIAGRAM:
DESIGN:
The Time period of Astable Multivibrator is
T = 2RCln [(1+β)/(1-β)]
Where β = R1/(R1+R2 )
Now the Frequency is given by f=(1/T)=_____________Hz
OBSERVATIONS:
S.No
R,C
Time Period (ms)
Frequency (Hz)
IC APPLICATIONS LAB
Dept. of ECE CREC 16
MODEL GRAPH:
RESULT:
IC APPLICATIONS LAB
Dept. of ECE CREC 17
4. DESIGN OF OP-AMP AS AN INTEGRATOR
AIM: To design an Integrator circuit for the given specifications using ASLK-PRO.
APPARATUS REQUIRED:
S.No Name of the Apparatus Range Quantity
1 Function Generator 3 M Hz 1
2 CRO 30 M Hz 1
3 Dual RPS (0-30)V 1
4 ASLK-PRO TL 082 IC 1
5 Connecting Wires As Required
PRECAUTIONS:
1. Output voltage will be saturated if it exceeds ± 10V.
PROCEDURE:
1. Connections are given as per the circuit diagram in the ASLK-PRO.
2 Apply a Square wave and Sine wave inputs of 4V (p-p) for a frequency of 1 KHz.
3 By adjusting the proper amplitude and frequency knobs of function generator, appropriate
input voltage is applied to the inverting terminal of the op-amp.
4 The output waveform is obtained in the CRO and the input and output voltage waveforms are
plotted in a graph sheet.
PIN DIAGRAM:
IC APPLICATIONS LAB
Dept. of ECE CREC 18
CIRCUIT DIAGRAM:
INPUT & OUTPUT WAVEFORMS:
IC APPLICATIONS LAB
Dept. of ECE CREC 19
RESULT:
IC APPLICATIONS LAB
Dept. of ECE CREC 20
5.DESIGN OF FUNCTION GENERATOR
AIM: Design and test function generator that can generate Square wave and Triangular wave
output for a given frequency.
APPARATUS:
S.No Name of the Apparatus Range Quantity
1 Function Generator 3 M Hz 1
2 CRO 30 M Hz 1
3 Dual RPS (0-30)V 1
4 ASLK-PRO TL 082 IC 1
5 Connecting Wires As Required
PRECAUTIONS:
1. Output voltage will be saturated if it exceeds ± 10V.
PROCEDURE:
1. Connections are given as per the circuit diagram in the ASLK-PRO.
2. The output waveform is observed with then help of CRO.
PIN DIAGRAM:
IC APPLICATIONS LAB
Dept. of ECE CREC 21
CIRCUIT DIAGRAM:
DESIGN:
The function generator produces a square wave at the Schmitt trigger output and a
triangular wave at the integrator output with the frequency (F) equal to
F=(1/4)RC(R2/R1)
OBSERVATIONS:
S.No
Frequency of Square Wave (Hz)
Frequency of Triangular Wave (Hz)
IC APPLICATIONS LAB
Dept. of ECE CREC 22
MODEL GRAPH:
RESULT:
IC APPLICATIONS LAB
Dept. of ECE CREC 23
6. DESIGN OF ANALOG FILTERS-I
AIM: Design a Second order Butterworth Band-pass filter for a given center frequency.
APPARATUS:
S.No Name of the Apparatus Range Quantity
1 Function Generator 3 M Hz 1
2 CRO 30 M Hz 1
3 Dual RPS (0-30)V 1
4 ASLK-PRO TL 082 IC 1
5 Connecting Wires As Required
PRECAUTIONS:
1. Output voltage will be saturated if it exceeds ± 10V.
PROCEDURE:
1. Connections are given as per the circuit diagram in the ASLK-PRO.
2. The output waveform is obtained with the help of CRO.
3. Apply a Square wave input with a frequency of 157 Hz a Sample output is obtained which is
shown in the figure below.
PIN DIAGRAM:
IC APPLICATIONS LAB
Dept. of ECE CREC 24
CIRCUIT DIAGRAM:
OBSERVATIONS:
S.No
Frequency (Hz)
Output Voltage (V)
IC APPLICATIONS LAB
Dept. of ECE CREC 25
MODEL GRAPH:
RESULT:
IC APPLICATIONS LAB
Dept. of ECE CREC 26
7. DESIGN OF ANALOG FILTERS-II
AIM: Design a Notch filter for a given center frequency.
APPARATUS:
S.No Name of the Apparatus Range Quantity
1 Function Generator 3 M Hz 1
2 CRO 30 M Hz 1
3 Dual RPS (0-30)V 1
4 ASLK-PRO TL 082 IC 1
5 Connecting Wires As Required
PRECAUTIONS:
1. Output voltage will be saturated if it exceeds ± 10V.
PROCEDURE:
1. Connections are given as per the circuit diagram in the ASLK-PRO.
2. The output waveform is obtained with the help of CRO.
3. Apply a Square wave input with a frequency of 159 Hz a Sample output is obtained which is
shown in the figure below.
PIN DIAGRAM:
IC APPLICATIONS LAB
Dept. of ECE CREC 27
CIRCUIT DIAGRAM:
OBSERVATIONS:
S.No
Frequency (Hz)
Output Voltage (V)
IC APPLICATIONS LAB
Dept. of ECE CREC 28
MODEL GRAPH:
RESULT:
IC APPLICATIONS LAB
Dept. of ECE CREC 29
8. DESIGN OF VOLTAGE CONTROLLED OSCILLATOR
AIM: Design and test voltage controlled oscillator for a given specification.
APPARATUS:
S.No Name of the Apparatus Range Quantity
1 Function Generator 3 M Hz 1
2 CRO 30 M Hz 1
3 Dual RPS (0-30)V 1
4 ASLK-PRO TL 082 IC 1
5 Connecting Wires As Required
PRECAUTIONS:
1. Output voltage will be saturated if it exceeds ± 10V.
PROCEDURE:
1. Connections are given as per the circuit diagram in the ASLK-PRO.
2. The output waveform is obtained with the help of CRO.
3. Vary the Control Voltage (Vc) and obtain the change in Frequency (fo)
PIN DIAGRAM:
IC APPLICATIONS LAB
Dept. of ECE CREC 30
CIRCUIT DIAGRAM:
OBSERVATIONS:
S.No
Control Voltage(Vc)
Change in frequency (fo)
IC APPLICATIONS LAB
Dept. of ECE CREC 31
MODEL GRAPH:
RESULT:
IC APPLICATIONS LAB
Dept. of ECE CREC 32
8. DESIGN OF PHASE LOCKED LOOP
AIM: Design and test a PLL to a given frequency ‘f’.
APPARATUS:
S.No Name of the Apparatus Range Quantity
1 Function Generator 3 M Hz 1
2 CRO 30 M Hz 1
3 Dual RPS (0-30)V 1
4 ASLK-PRO TL 082 IC 1
5 Connecting Wires As Required
PRECAUTIONS:
1. Output voltage will be saturated if it exceeds ± 10V.
PROCEDURE:
1. Connections are given as per the circuit diagram in the ASLK-PRO.
2. The output waveform is obtained with the help of CRO.
3. Measure the Lock range of the system
4. Measure the change in Phase of the output signal as the input frequency is varied within the
lock range.
PIN DIAGRAM:
IC APPLICATIONS LAB
Dept. of ECE CREC 33
CIRCUIT DIAGRAM:
OBSERVATIONS:
S.No
Input frequency (Hz)
Output frequency (Hz)
IC APPLICATIONS LAB
Dept. of ECE CREC 34
MODEL GRAPH:
RESULT:
IC APPLICATIONS LAB
Dept. of ECE CREC 35
10. DESIGN OF AUTOMATIC GAIN CONTROL (AGC)/AUTOMATIC VOLUME CONTROL (AVC)
AIM: Design a AGC System to maintain a peak amplitude of Sine wave output at 2V.
APPARATUS:
S.No Name of the Apparatus Range Quantity
1 Function Generator 3 M Hz 1
2 CRO 30 M Hz 1
3 Dual RPS (0-30)V 1
4 ASLK-PRO TL 082 IC 1
5 Connecting Wires As Required
PRECAUTIONS:
1. Output voltage will be saturated if it exceeds ± 10V.
PROCEDURE:
1. Connections are given as per the circuit diagram in the ASLK-PRO.
2. The output waveform is obtained with the help of CRO.
3. Apply a Sine wave input and observe the amplitude at output.
4. Vary the input amplitude at fixed input frequency; the output amplitude should remain
constant for varying input amplitude within the lock range of the system.
PIN DIAGRAM:
IC APPLICATIONS LAB
Dept. of ECE CREC 36
CIRCUIT DIAGRAM:
OBSERVATIONS:
Fixed Input Frequency=1 KHz
S.No
Input voltage (Vin)
Output voltage (Vout)
IC APPLICATIONS LAB
Dept. of ECE CREC 37
MODEL GRAPH:
RESULT:
IC APPLICATIONS LAB
Dept. of ECE CREC 38
11. DESIGN OF LOW DROP OUT REGULATOR
AIM: Design and test a low drop out Regulator using TPS7250 IC.
APPARATUS:
S.No Name of the Apparatus Range Quantity
1 Function Generator 3 M Hz 1
2 CRO 30 M Hz 1
3 Dual RPS (0-30)V 1
4 ASLK-PRO TPS 7250 IC 1
5 Connecting Wires As Required
PRECAUTIONS:
1. Output voltage will be saturated if it exceeds ± 10V.
PROCEDURE:
1. Connections are given as per the circuit diagram in the ASLK-PRO.
2. Vary the input voltage from 5.5V to 10V and observe the output voltage with the help of a
Multimeter.
3. Plot the Graph on a graph sheet by taking input voltage (Vin) on x-axis and output voltage
(Vout) on y-axis.
PIN DIAGRAM:
IC APPLICATIONS LAB
Dept. of ECE CREC 39
CIRCUIT DIAGRAM:
OBSERVATIONS:
S.No
Input Voltage (Vin)
Output Voltage (Vout)
IC APPLICATIONS LAB
Dept. of ECE CREC 40
MODEL GRAPH:
RESULT:
IC APPLICATIONS LAB
Dept. of ECE CREC 41
12. DESIGN OF DC-DC CONVERTER
AIM: Design of a Switch mode Power Supply that can provide a regulated power voltage for a
given input range using the TPS 40200 IC.
APPARATUS:
S.No Name of the Apparatus Range Quantity
1 Function Generator 3 M Hz 1
2 CRO 30 M Hz 1
3 Dual RPS (0-30)V 1
4 ASLK-PRO TPS 40200 IC 1
5 Connecting Wires As Required
PRECAUTIONS:
1. Output voltage will be saturated if it exceeds ± 10V.
PROCEDURE:
1. Connections are given as per the circuit diagram in the ASLK-PRO.
2. Vary the input voltage from 6V to 10V and observe the output voltage with the help of a
Multimeter.
3. Plot the Graph on a graph sheet by taking input voltage (Vin) on x-axis and output voltage
(Vout) on y-axis.
PIN DIAGRAM:
IC APPLICATIONS LAB
Dept. of ECE CREC 42
CIRCUIT DIAGRAM:
OBSERVATIONS:
S.No
Input Voltage (Vin)
Output Voltage (Vout)
IC APPLICATIONS LAB
Dept. of ECE CREC 43
MODEL GRAPH:
RESULT:
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