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Prescription: AE610 (AE210) Analogue Electronics Applied

Aim of Module	To develop knowledge of specialised electronic analogue circuits found in IT equipment.
Credits	7
Student Learning hours	70
Content Revised	pre 1996
Prescription Expiry Date	Nov 2002

Level and Assessment Schedule
Topics	Highest Skill Level	Suggested Assessment Percentage
1 Amplifiers	A	40
2 Waveform Generators and switches	C	25
3 Linear integrated circuits	R	25
4 Stabilised power supplies	A	10

		100

The Student Will

1	Amplifiers


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



C	1.1	Explains the biasing conditions for Class A, B, and C. operation.



R	1.2	Lists and explains applications of each type of amplifier in 1.1.



C	1.3	Describes the following types of inter stage coupling:



		-resistance-capacitance

		-direct

		-transformer

		-tuned



R	1.4	Lists applications of the coupling methods stated in 1.3.



C	1.5	Describe the operation of (when given the circuits) the following types of audio large signal amplifiers:



		-single ended

		-Class A push pull

		-Class B push pull



	1.6	Describe the operation of (when given the circuit) a RF Class C amplifier.



	1.7	Describe the operation of a bi-polar and a uni-polar transistor at high frequencies, Miller effect.



	1.8	Describe the operation of (when given the circuit) a multistage amplifier.



	1.9	Describe how the gain of 1.8 changes with frequency.



A	1.10	Measures the frequency response of the circuits described in 1.8.



	1.11	Measures signal amplitude limits of the amplifiers described in 1.8.



	1.12	Measures the effect on the stage gain and bandwidth of disconnecting the emitter source bypass capacitor.



	1.13	Measures the input and output impedance of the two stage amplifiers described in 1.8.



R	1.14	States the functions of individual components present in an r-f amplifier.



C	1.15	Explains selectivity of a tuned amplifier.



R	1.16	Defines Gain Bandwidth product.



	1.17	Outlines the applications of buffer amplifiers.



	1.18	States that for maximum efficiency impedance-matching must be used in amplifier systems.

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2	Waveform Generators and switches


>	Understand the characteristics of basic sinusoidal oscillator circuits and non-sinusoidal oscillators and switches. This will include:



R	2.1	States that oscillations can be produced by an amplifier with positive feedback.



C	2.2	Explains the operation of (a) L-C oscillators (b) and R-C oscillators.



R	2.3	States the factors that effect both the short term and long term frequency stability of oscillators.



C	2.4	Explains methods of improving the frequency stability of oscillators eg. Piezo-electric crystal control.



R	2.5	Outline the different types of non-sinusoidal oscillators and switches such as:



		-astable

		-monostable

		-bistable

		-schmitt

		-Miller integrator



C	2.6	Describe the use of a unijunction transistor in 2.5.

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3	Linear integrated circuits


		Understand that there are commercialy available linear Ics. This will include:



R	3.1	States the advantage and disadvantages of Ics over discrete comonent circuits.

R	3.2	From current manufacturers data sheets investigate the performance of:



		a) operational amplifiers as:

		-inverting

		-non inverting

		-summing amplifiers; including AC applications, and how these are effected by slew rate, bandwidth and CMRR.

		b) Large signal IC amplifiers

		c) RF; IF modules

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4	Stabilised power supplies


>	Understand the reason for and the techniques used to stabilise power supplies. This will include:



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



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



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

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Note
>	Each of the topics should involve laboratory work



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



>	AE200 Analogue Electronics, or its equivalent, must have been completed.