To understand how electronic circuits are designed and undertake some simple design exercises . To understand how electronic devices can be represented by simple, linear equivalent circuits. To show how complex circuits can be sub-divided into building blocks and these blocks in turn represented by linear equivalent circuits which can be analysed using standard circuit techniques. To understand the interaction between the building blocks to allow estimation of important systems parameters such as gain, input output resistance etc. To emphasise the importance of negative feedback in improving electronic systems performance and tolerance.

(LO1) An understanding of small signal transistor amplifier analysis and design

(LO2) To understand how electronic devices can be represented by simple, linear equivalent circuits.

(LO3) To show how complex circuits can be sub-divided into building blocks and these blocks in turn represented by linear equivalent circuits which can be analysed using standard circuit techniques.

(LO4) To understand the interaction between the building blocks to allow estimation of important systems parameters such as gain, input output resistance etc.

(LO5) To understand the importance of negative feedback in improving electronic systems performance and tolerance.

(LO6) After successful completion of the module the student should be capable of comparing physical device operation to engineering models

(LO7) After successful completion of the module the student should be capable of analysing the design principles of simple building blocks and how they can be are combined to form complex electronic systems with well-controlled functionality

(LO8) Familiarity with a range of linear and non-linear applications of operational amplifiers.

(S1) After successful completion of the module, students should be able to show experience and enhancement of the following key skills: Independent learning Problem solving and design skills

(S2) After successful completion of the module, students will be able to design, analyse and test electronic amplifier circuits.

Small signal amplifiers: Hybrid - pi model of the bipolar junction transistor. Small signal analysis of the basic single transistor amplifier configurations of multistage amplifiers. Simple design exercises validated by circuit simulation to reinforce theory: CE amp for a given voltage gain; two-stage amplifier for given voltage gain and input resistance.

Differential amplifier: Basic properties of the differential amplifier and quiescent analysis. Differential and common mode gains, common mode rejection ratio, input resistance. Simple design exercise - select R-values for given specification.

Current mirrors: Basic property as a constant current source.  Current repeater.  Output resistance.  Widlar current mirror - ac and dc analysis to highlight design principles.  Differential amplifier with constant current source. Temperature compensation

Active loads: Current sources as active loads.  Differential amplifier with active load.

H igh frequency amplifiers: Common emitter transistor short circuit current gain.  Transition frequency. Miller's theorem, Miller effect.  Voltage gain of common emitter and common source amplifiers.  Effect of collector current, collector load and source resistance on high frequency response.  Step response: rise and fall times.

Transistor circuit operation: Appraisal of transistor circuit operation and sensitivity to device parameter variation. Demonstration of improvement using feedback.

Negative Feedback: Negative feedback, topologies, equivalent circuits, analysis techniques in circuits containing feedback

Operational amplifier systems: Operational amplifier and op-amp systems: virtual source principle, offsets, role of feedback in operation: Rin, Rout, loop gain, bandwidth, distortion. Examples of the design of of simple functional blocks. A formative design exercise based on an op-amp circuit. Overview and hints for tackling Expt 5 - Desi gn of an op-amp to a given specification with the aid of SPICE simulation

Operational amplifier limitations: Op-amp limitations, slew rate limitations, model of an op-amp including voltage and current offsets. Practical design tips.

Summary of the module.

Due to Covid-19, one or more of the following delivery methods will be implemented based on the current local conditions and the situation of registered students.
(a) Hybrid delivery, with social distancing on Campus
Teaching Method 1 - On-line asynchronous lectures
Description: Lectures to explain the material
Attendance Recorded: No
Notes: On average two per week

Teaching Method 2 - Synchronous face to face tutorials
Description: Tutorials on the Assignments and Problem Sheets
Attendance Recorded: Yes
Notes: On average one per week

Teaching Method 3 - Laboratory Work
Description: Laboratory Sessions to undertake Experiment 5
Attendance Recorded: Yes
Notes: 1 day per Experiment

(b) Fully online delivery and assessment
Teaching Method 1 - On-line asynchronous lectures
Description: Lectures to explain the material
Attendance Recorded: No< br/> Notes: On average two per week

Teaching Method 2 - On-line synchronous tutorials
Description: Tutorials on the Assignments and Problem Sheets
Attendance Recorded: Yes
Notes: On average one per week

Teaching Method 3 - on-line Laboratory Work Tutorials
Description: on-line laboratory Sessions to undertake Experiment 5
Attendance Recorded: Yes
Notes: 1 day per Experiment

(c) Standard on-campus delivery with minimal social distancing
Teaching Method 1 - Lecture
Description: Lectures to explain the material
Attendance Recorded: Yes
Notes: On average two per week

Teaching Method 2 - Tutorial
Description: Tutorials on the Assignments and Problem Sheets
Attendance Recorded: Yes
Notes: On average one per week

Teaching Method 3 - Laboratory Work
Description: Laboratory Sessions to undertake Experiment 5
Attend ance Recorded: Yes
Notes: 1 day per Experiment