IC APPLICATIONS LABORATORY MANUAL Subject Code : 15A04507 Regulations : R15 Class : V Semester (ECE) CHADALAWADA RAMANAMMA ENGINEERING COLLEGE (AUTONOMOUS) Chadalawada Nagar, Renigunta Road, Tirupati 517 506 Department of Electronics and Communication Engineering 1 P a g e
CHADALAWADA RAMANAMMA ENGINEERING COLLEGE (AUTONOMOUS) Chadalawada Nagar, Renigunta Road, Tirupati 517 506 Department of Electronics and Communication Engineering INDEX S. No Name of the Experiment Page No 1 Study the characteristics of negative feedback amplifier 3-11 2 Design of Instrumentation Amplifier 12-13 3 Design of Astable multivibrator 14-16 4 Design of op-amp as integrator 17-19 5 Design of function generator 20-22 6 Design of Analog filters-i 23-25 7 Design of Analog filters-ii 26-28 8 Design of Voltage Controlled Oscillator (VCO) 29-31 9 Design of Phase Locked loop (PLL) 32-34 10 Design of Automatic Gain Control (AGC)/Automatic Volume Control (AVC) characteristics 35-37 11 Design of Low drop out regulator 38-40 12 Design of DC-DC Converter 41-43 2 P a g e
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: 3 P a g e
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 4 P a g e
MODEL GRAPH: RESULT: 5 P a g e
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: 6 P a g e
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 7 P a g e
MODEL GRAPH: RESULT: 8 P a g e
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: 9 P a g e
CIRCUIT DIAGRAM: DESIGN: We know for a Unity gain Amplifier Vo=Vi OBSERVATIONS: S.No Amplitude (V) Input Output 10 P a g e
MODEL GRAPH: RESULT: 11 P a g e
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: 12 P a g e
CIRCUIT DIAGRAM: DESIGN: We know for an instrumentation Amplifier OBSERVATIONS: S.No Amplitude (V) Input V1= Output V2= RESULT: 13 P a g e
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: 14 P a g e
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) 15 P a g e
MODEL GRAPH: RESULT: 16 P a g e
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: 17 P a g e
CIRCUIT DIAGRAM: INPUT & OUTPUT WAVEFORMS: 18 P a g e
RESULT: 19 P a g e
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: 20 P a g e
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) 21 P a g e
MODEL GRAPH: RESULT: 22 P a g e
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: 23 P a g e
CIRCUIT DIAGRAM: OBSERVATIONS: S.No Frequency (Hz) Output Voltage (V) 24 P a g e
MODEL GRAPH: RESULT: 25 P a g e
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: 26 P a g e
CIRCUIT DIAGRAM: OBSERVATIONS: S.No Frequency (Hz) Output Voltage (V) 27 P a g e
MODEL GRAPH: RESULT: 28 P a g e
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: 29 P a g e
CIRCUIT DIAGRAM: OBSERVATIONS: S.No Control Voltage(Vc) Change in frequency (fo) 30 P a g e
MODEL GRAPH: RESULT: 31 P a g e
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: 32 P a g e
CIRCUIT DIAGRAM: OBSERVATIONS: S.No Input frequency (Hz) Output frequency (Hz) 33 P a g e
MODEL GRAPH: RESULT: 34 P a g e
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: 35 P a g e
CIRCUIT DIAGRAM: OBSERVATIONS: Fixed Input Frequency=1 KHz S.No Input voltage (Vin) Output voltage (Vout) 36 P a g e
MODEL GRAPH: RESULT: 37 P a g e
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: 38 P a g e
CIRCUIT DIAGRAM: OBSERVATIONS: S.No Input Voltage (Vin) Output Voltage (Vout) MODEL GRAPH: 39 P a g e
RESULT: 40 P a g e
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: 41 P a g e
CIRCUIT DIAGRAM: OBSERVATIONS: S.No Input Voltage (Vin) Output Voltage (Vout) 42 P a g e
MODEL GRAPH: RESULT: 43 P a g e