| 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 2007 |
| 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 | |||
| 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. | |