Analogue and Digital Electronics

Your operational amplifier circuit specification is determined as follows:

are input voltages within the range of 0 to 100mV and determine the output voltage of the amplifier circuit ( ). and E are numbers deduce from your SID as follows:
A is the last digit of your SID (7 in the example above).
B is the second from the last digit of your SID (6 in the example above).
C is the third from the last digit of your SID (5 in the example above).
D is the fourth from the last digit of your SID (4 in the example above).If D is an even digit (such as 0, 2, 4, 6, 8) specify a non-inverting stage while odd digit (such as 1, 3, 5, 7, 9) specify an inverting stage. For example, with the example SID above the ‘7’ indicates an inverting stage.
E is the fourth from the last digit of your SID (3 in the example above) determines the gain of the last cascaded amplifier in V/V. For example, the ‘3’ in the example above indicates the required gain is 3 V/V. If your digit is a ‘0’ this should be interpreted as a gain of 10 V/V.
The digit F is the fifth from the last digit of your SID (2 in the example above) indicates the input impedance of the last cascaded amplifier in kΩ. For the example above the digit ‘2’ indicates the input impedance required from the stage design is 2 kΩ. Again if your digit is ‘0’ interpret this as 10 kΩ.

Record your personal specification below: (3 marks)
A =
B =
C =
D =
E =
Expected circuit transfer function =

The first task is to design an operational amplifier circuit that is compliant with your specification. Multiple operational amplifiers will be required. Your answer should include a clear schematic diagram of the stage from Multisim or a similar schematic editor and a clear justification of how the component values have been selected to comply with the specification.

Insert the schematic diagram of the operational amplifier circuit here: (7 marks)

Insert the justification for how the component values were derived here: (9 marks)

The next task is to employ the circuit simulation facilities of a design tool such as Multisim to demonstrate that the design performs to specification. You should present simulation results along with a clear explanation of what they show to confirm compliance.

The circuit transfer function is as specified (8 marks)
Insert simulation results here:

The circuit transfer function is as specified (8 marks)
Insert your explanation of why the results demonstrate compliance with specification here:

Finally, you should briefly discuss any practical concerns that would need to be taken into account if the design were to be implemented physically in the laboratory. Include references to sources of information that you used for this section.

Insert discussion on practical implementation here: (15 marks)

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