Describe the operation of the operational amplifiers

Reference no: EM131273646

Operational Amplifier Circuits

AIM OF THIS ASSIGNMENT

You will undertake a number of investigative and practical activities designed to develop your understanding of operational amplifier circuits.

ASSIGNMENT OBJECTIVES

In this assignment, for LO2, you will need to show that you candesign, build and testoperational amplifier circuits.
LO2.1 Evaluate the operational amplifier as a device.
LO2.2 Describe different operational amplifier application circuits
LO2.3 Design three operational amplifier circuits
LO2.4 Test operational amplifier circuits

TASK INTRODUCTION

You have completed your engineering apprenticeship and have a position in the design department of your company. You have been asked by your line manager to evaluate the operational amplifier as a device, and to produce three different types of operational amplifier circuits.

TASK 1:

Evaluate the "operational amplifier" as a device. Your task is to write a report (400 words) that discusses the properties of an ideal operational amplifier. Please include diagrams to aid your discussion.

TASK 2:

Describe the operation of the following operational amplifiers:

a) Non-Inverting Amplifier

b) Summing Amplifier

c) Differential Amplifier

Opportunity for Merit

Produce a report for Task 2 that demonstrates that you have used a range of sources to gather information for describing the operation of the three different types of amplifiers. You need to use Harvard Referencing correctly in your report. M2

Opportunity for Distinction

Evaluate the performances of the three different amplifiers in Task 2. D3

TASK 3:

Part A

Design aninverting amplifier with negative feedback that meets the following specification:

Gain:	5 - 10 ±10%
Low power bandwidth:
Lower cut-off frequency	15Hz ±10% Hz
Upper cut-off frequency	15kHz±10% Hz
Input resistance (at mid-frequencies)	1 < 5 kΩ±10% Ω

Name		ID	Gain	Input resistance
Khalifa	Mohammad	10148994	9	<=1

Build the invertingamplifier from Part A in simulation software (Multisim) and take measurements. Test your circuit using small input (0.2V) amplitude signal. You must provide evidence to show the following:

a) Output voltage

b) Voltage gain

c) Frequency response

Demonstrate the circuit operation to your tutor.

Part B

Design a non-inverting amplifier with negative feedback that meets the following specification:

Gain:	5 ->10 ±10%
Low power bandwidth:
Lower cut-off frequency	15Hz ±20% Hz
Upper cut-off frequency	15kHz±20% Hz
Input resistance (at mid-frequencies)	1<5kΩ ±10% Ω

Name		ID	Gain	Input resistance
Khalifa	Mohammad	10148994	8	<=1

Build the invertingamplifierin simulation software (Multisim) and take measurements. Test your circuit using small input (0.2V) amplitude signal. You must provide evidence to show the following:

a) Output voltage

b) Voltage gain

c) Frequency response

Demonstrate the circuit operation to your tutor.

Part C

Design an analoguecomparator amplifier. The must have 2 inputs, which will sound an alarm (audio or visual) when the input voltage goes high.

Name		ID	Treshold voltage
Khalifa	Mohammad	10148994	-3.9

Using circuit simulation software, draw the circuit diagram and simulate its operation. Note: You will need to use the LM358H IC in Multisim.

Any reference voltage must be derived from the power supply rails (which can be presumed to be stable) and should be accurate to + 0.1V

Demonstrate the circuit operation to your tutor.

Opportunity for merit

For Task 3, you will need to present your findings and results using a variety of methods, and use technical language accurately. M3

This will be demonstrated by ensuring that technical descriptions in Task 2 use accurate and appropriate technical language.
Additionally:

This will be demonstrated by providing further detail of the test method in task 4 using images of real test equipment together with connection diagrams of how these would be connected.

TASK 4:

For each of the sections in Task 3 above draw up a test schedule and results document which details input signals and theexpected output signal(s).

This report should also identify appropriate test equipment to take these measurements and generate any signals or voltages.

Use component values readily available e.g. E24 series resistors

Provide screen print(s) or photos of each schematic showing connected test equipment and at least 1 test result that appears in the resultsdocument.

Build the inverting amplifier from TASK 3 Part A in the electronics lab (33B) using RS proto boards (or using multisim) and take measurements. Test your circuit using small input (0.2V) amplitude signal. Use component values readily available e.g. E24 series resistors.You must provide evidence to show the following:

a) Output voltage

b) Voltage gain

c) Frequency response

Demonstrate the circuit operation to your tutor.

Provide screen print(s) or photos showing connected test equipment and at least 1 test result that appears in the resultsdocument.

Build the non-inverting amplifier from TASK 3 Part Bin the electronics lab (33B) using RS proto boards (or using multisim) and take measurements. Use component values readily available e.g. E24 series resistors.
Test your circuit using small input (0.2V) amplitude signal. You must provide evidence to show the following:

a) Output voltage

b) Voltage gain

c) Frequency response

Demonstrate the circuit operation to your tutor.

Provide screen print(s) or photos showing connected test equipment and at least 1 test result that appears in the resultsdocument.

Using circuit simulation software, draw the circuit diagram and simulate its operation. Note: You will need to use the LM358H IC in Multisim.

Use component values readily available e.g. E24 series resistors .
Test your circuit

Demonstrate the circuit operation to your tutor.

Compare and evaluate all the measured results with the results obtained from the calculations from Task 3.

TASK 3:

Build the inverting amplifier from Part A in simulation software (Multisim) and take measurements. Test your circuit using small input (0.2V) amplitude signal. You must provide evidence to show the following:

a) Output voltage

b) Voltage gain

c) Frequency response

Build the inverting amplifier from Part C in simulation software (Multisim) and take measurements. Test your circuit using small input (0.2V) amplitude signal. You must provide evidence to show the following:

a) Output voltage

b) Voltage gain

c) Frequency response

Using circuit simulation software, draw the circuit diagram from Task 3, Part E and simulate its operation. Note: You will need to use the LM358H IC in Multisim.

TASK 4:

Build the inverting amplifier from TASK 3 and take measurements. Test your circuit using small input (0.2V) amplitude signal. You must provide evidence to show the following:

a) Output voltage

b) Voltage gain

c) Frequency response

Build the non-inverting amplifier from TASK 3 and take measurements. Test your circuit using small input (0.2V) amplitude signal. You must provide evidence to show the following:

a) Output voltage

b) Voltage gain

c) Frequency response

LO2.3 Design three operational amplifier circuits.

LO2.4 Test operational amplifier circuits.

How the activity meets the requirements of the assessment and grading criteria, including how and where the activity took place

Reference no: EM131273646

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