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Prescription: AE600 (AE200) Analogue Electronics

Aim of Module	To develop knowledge of the fundamentals of electronic principles relevant to electronic analogue circuits found in IT equipment.
Credits	7
Student Learning hours	70
Prescription Expiry Date	Nov 2005

Level and Assessment Schedule
Topics	Highest Skill Level	Suggested Assessment Percentage
1 Small signal amplifiers	A	50
2 Feedback	C	15
3 Simple switches	C	10
4 Stabilised power supplies	A	15
5 Operational Amplifiers	C	10

		100

The Student Will

1	Small signal amplifiers


>	Understand the configuration, biasing and operation of small signal bi-polar and uni-polar transistor amplifiers. This will include:



C	1.1	Explains the biasing methods for Class A. operation in the common base common emitter and common source modes.



	1.2	Lists and explain applications of each type of amplifier in 1.1.



C	1.3	Graphs a DC and an AC loadline of a common emitter and a common source transistor.



A	1.4	Derives the gain of a single stage amplifier.



A	1.5	Estimates for a single stage class A common emitter and common source amplifiers: voltage gain, current gain, input resistance, output resistance and bandwidth.by the use of the hybrid model.



A	1.6	Measures the frequency response of the circuits described in 1.1.



	1.7	Measures the effect on the stage gain and bandwidth of disconnecting the emitter source by pass capacitor of a common emitter amplifier.

2	Feedback


>	Analyse the general principles of feedback. This will include:



R	2.1	Draws a block diagram of an amplifier with feedback.



	2.2	Defines positive and negative feedback.



C	2.3	Derives the general expression for stage gain of an amplifier with feedback.



	2.4	Explains the effects of applying negative feedback to an amplifier in relation to:

		-gain

		-gain stability

		-bandwidth

		-distortion and noise

		-input and output impedance



	2.5	Identifies from a circuit diagram current controlled feedback and voltage controlled feedback.

3	Simple switches


>	Understand the use of transistors as an electronic switch. This will include:



C	3.1	Draw a circuit diagram and explain the operation of a switch circuit using a bi-polar and a uni-polar transistor.



R	3.2	Compare the advantages and disadvantages of using a bi-polar or a uni-polar transistor in an electronic switch circuit.

4	Stabilised power supplies


>	Understands the basic principals and the techniques used for stabilising power supplies.This will include:



R	4.1	Sketches the block diagram of both a series and a shunt controlled power supply.



C	4.2	Describes the operation of a regulated power supply given the circuit diagram of a Zener, transistor or three terminal IC device.



A	4.3	Performs the calculations necessary to produce a Zener controlled power supply.

5	Operational Amplifiers


>	Understand the basic parameters of a general purpose operational amplifier and its applications.



R	5.1	State the parameters of an ideal amplifier.



	5.2	Compare the data sheet of a 740 general purpose op. amp. with 5.1.



	5.3	Draw the circuit of:

		-a non inverting amplifier

		-an inverting amplifier

		-a summing amplifier



C	5.4	Derive the formulae for the voltage gain of the amplifiers of 5.3 in terms of input and feedback resistors.


Note
>	Each of the topics must involve laboratory work.



>	It is assumed the student will have completed SC100 basic semiconductor theory.