Rejuvenation of Science Engineering and Technology related TLTP and other legacy material

CALGroup Resources from ReSET Project
A collection of 109 Learning objects derived from CALGroup in the areas of Electronic Engineering and Data Communications. These learning objects were created by the ReSET Project.

Please note that the ReSET project ended in 2006. Sadly both the original project website and the repository hosting the materials were hosted elsewhere and no longer exist.

• Inverting Amplifier : 1 Negative Gain
  Derivation of gain in an Inverting Operational Amplifier Circuit. Includes a student workbook (Learning object 1/3).
• Inverting Amplifier : 2 Gain Question
  Inverting Operational Amplifier question on gain. Includes a student workbook (Learning object 2/3).
• Inverting Amplifier : 3 Voltage Question
  Inverting Operational Amplifier question on voltage. Includes a student workbook (Learning object 3/3).
• Inverting Amplifier
  This resource is a sequence of 3 learning objects dealing with the Inverting Amplifier. Includes 3 student workbooks.
• Non Inverting Amplifier : 1 Positive Gain
  Derivation of gain in a Non-Inverting Operational Amplifier circuit. Includes a student workbook (Learning object 1/3).
• Non Inverting Amplifier : 2 Gain Question
  Non-Inverting Operational Amplifier question on gain. Includes a student workbook (Learning object 2/3).
• Non Inverting Amplifier : 3 Voltage Question
  Non-Inverting Operational Amplifier question on voltage. Includes a student workbook (Learning object 3/3).
• Non Inverting Amplifier
  A sequence of 3 learning objects dealing with the non inverting amplifier. Includes 3 student workbooks.
• Integrator : 1 Voltage Ramp
  Operational Amplifier Integrator circuit Demonstration. Includes a student workbook (Learning object 1/5).
• Integrator : 2 Circuit Diagram
  Operational Amplifier Integrator circuit including derivation of time constant. Includes a student workbook (Learning object 2/5).
• Integrator : 3 Example
  Operational Amplifier Integrator circuit numerical example. (Learning object 3/5).
• Integrator : 4 Output Voltage Question
  Operational Amplifier Integrator circuit output voltage question. Includes a student Workbook (Learning object 4/5).
• Integrator : 5 Input Voltage Question
  Operational Amplifier Integrator circuit input voltage question. Includes a student workbook (Learning object 5/5).
• Integrator
  A collection of 5 learning objects dealing with the Integrator. Includes 4 student workbooks.
• Synchronous Protocols : 1 Transmission
  Advantages of Synchronous Transmission, deriving the Synchronous Clock at Receiver. Includes student workbook. (Learning object 1/7).
• Synchronous Protocols : 2 Control Characters
  Synchronous protocol control characters. Includes student workbook. (Learning object 2/7).
• Synchronous Protocols : 3 Protocol Analyser
  Protocol Analyser, including demonstrations and communication flow. Includes student workbook. (Learning object 3/7).
• Synchronous Protocols : 4 Data-Link Escape Stuffing
  Data-Link Escape (DLE) Stuffing. Includes student workbook. (Learning object 4/7).
• Synchronous Protocols : 5 High Level Data-Link Control Protocol
  Synchronous Protocols, HDLC protocol, HDLC frames and flag sequence. Includes student workbook. (Learning object 5/7).
• Synchronous Protocols : 6 High Level Data Link Control Protocol Demonstration
  High Level Data Link Control (HDLC) Protocol Demonstration. (Learning object 6/7).
• Synchronous Protocols : 7 Flag Sequence
  Flag sequence used transmitting data in synchronous communication. (Learning object 7/7).
• Synchronous Protocols
  This resource contains a sequence of 7 learning objects dealing with Synchronous Protocols. Includes student workbooks for some learning objects.
• Asynchronous Protocols : 1 Transmission
  Asynchronous Transmission, including interactive demonstrations. Includes student workbook. (Learning object 1/3).
• Asynchronous Protocols : 2 Waveform
  Asynchronous waveform format, including ASCII character example. Includes student workbook. (Learning object 2/3).
• Asynchronous Protocols : 3 Echoplexing
  Echoplexing allows error detection and correction in asynchronous communication, including demonstration. Includes student workbook. (Learning object 3/3).
• Asynchronous Protocols
  This resource contains a sequence of 3 learning objects dealing with Asynchronous Protocols. Includes student workbooks for each learning object.
• Open Systems Interconnection
  Open Systems Interconnection model, including example of application layers. Includes student workbook.
• Elements of Protocols : 1 Introduction
  Introduction to protocols, contention, addressing, parity and error detection. (Learning object 1/10).
• Elements of Protocols : 2 Transmission Control
  Covers protocols, addressing. Includes student workbook. (Learning object 2/10).
• Elements of Protocols : 3 Contention
  Covers protocols, contention. Includes student workbook. (Learning object 3/10).
• Elements of Protocols : 4 Communication
  Covers protocols, addressing. Includes student workbook. (Learning object 4/10).
• Elements of Protocols : 5 Parity Error Detection
  Covers protocols, parity and error detection. Includes student workbook. (Learning object 5/10).
• Elements of Protocols : 6 Checksum
  Parity, checksum and error detection. Includes student workbook. (Learning object 6/10).
• Elements of Protocols : 7 LRC & VRC
  Covers protocols, parity, checksum, LRC & VRC and error detection. Includes student workbook. (Learning object 7/10).
• Elements of Protocols : 8 Cyclic Redundancy Check
  Covers checksum and error detection. Includes student workbook. (Learning object 8/10).
• Elements of Protocols : 9 Automatic Repeat on reQuest
  Covers error detection method. Includes student workbook. (Learning object 9/10).
• Elements of Protocols : 10 Line Utilisation
  Covers protocols, parity and line utilisation. Includes student workbook. (Learning object 10/10).
• Elements of Protocols
  This resource contains a sequence of 10 learning objects dealing with Elements of Protocols. Includes student workbooks for most learning objects.
• Diode Construction : 1 Materials
  Covers diode contruction and materials. Includes a student workbook (Learning object 1/2).
• Diode Construction : 2 Packaging
  Covers diode packages. (Learning object 2/2).
• Diode Construction
  This resource is a sequence of 2 learning objects dealing with diode construction. Includes a student workbook.
• Diode Performance : 1 Symbol
  Covers diode symbols. (Learning object 1/5).
• Diode Performance : 2 Resistor Characteristics
  Covers diode voltage, current and resistance characteristics. Includes a student workbook (Learning object 2/5).
• Diode Performance : 3 Resistance Demonstration
  Covers diode resistance characteristics. (Learning object 3/5).
• Diode Performance : 4 Resistor Question
  Covers diode resistance characteristics. Includes a student workbook (Learning object 4/5).
• Diode Performance : 5 Biasing
  Covers diode characteristics, biasing of diodes. Includes a student workbook (Learning object 5/5).
• Diode Performance
  A collection of 5 learning objects dealing with diode performance. Includes three student workbooks.
• Diode Applications : 1 Rectifier Applications
  Diodes in a rectifier configuration. (Learning object 1/9).
• Diode Applications : 2 Rectifier Circuit
  Diodes in a rectifier circuit. Includes a student workbook (Learning object 2/9).
• Diode Applications : 3 Biasing Question
  Diode question in a rectifier circuit. Includes a student workbook (Learning object 3/9).
• Diode Applications : 4 Resistance Question
  Diode question in a rectifier configuration. Includes a student workbook (Learning object 4/9).
• Diode Applications : 5 Adding a Capacitor
  Adding a capacitor to a rectifier circuit. Includes a student workbook (Learning object 5/9).
• Diode Applications : 6 Capacitive Effect
  Adding a capacitor to a rectifier circuit. (Learning object 6/9).
• Diode Applications : 7 Ripple Voltage Example
  Example calculating the ripple voltage in a half wave rectifier circuit with a smoothing capacitor. Includes a student workbook (Learning object 7/9).
• Diode Applications : 8 Ripple Voltage Example
  Example calculating the ripple voltage in a half wave rectifier circuit with a smoothing capacitor. Includes a student workbook (Learning object 8/9).
• Diode Applications : 9 Common Applications
  Diode applications in a Limiter and an RF Detector. Includes a student workbook (Learning object 9/9).
• Diode Applications
  A collection of 9 learning objects dealing with diode applications. Includes seven student workbooks.
• Introduction to Transistors : 1 Transistor Devices
  Illustrations and information on transistor package types and manufacturing materials used. (Learning object 1/10).
• Introduction to Transistors : 2 Bipolar Junction Transistor
  Illustrations and information on the npn and pnp Bipolar Junction Transistor physical make-up, circuit symbols and behavioural differences. Includes a student workbook (Learning object 2/10).
• Introduction to Transistors : 3 NPN Transistor Behaviour
  Illustrations and information of electron flow and biasing of an NPN Bipolar Junction Transistor in circuit. Includes a student workbook (Learning object 3/10).
• Introduction to Transistors : 4 Common Emitter Amplifier
  Illustrations and information on the current flow and gain of the Common Emitter Amplifier. Includes a student workbook (Learning object 4/10).
• Introduction to Transistors : 5 Amplifier Gain Question
  Question on the gain of a common emitter amplifier circuit. Includes a student workbook (Learning object 5/10).
• Introduction to Transistors : 6 Transistor Devices
  Illustrations and information on transistor package types and manufacturing materials used. (Learning object 6/10).
• Introduction to Transistors : 7 Characteristic Curves
  Graphically shows the behaviour of a Common Emitter Amplifier through characteristic curves. Demonstrates how changes in collector current, base current and collector/emitter voltage influence each other. (Learning object 7/10).
• Introduction to Transistors : 8 The Load Line
  Description of the load line superimposed on the characteristic curve of the Common Emitter Amplifier circuit. Graphical representation of operation in both cut-off and saturated regions. Includes a student workbook (Learning object 8/10).
• Introduction to Transistors : 9 Load Line Questions
  Questions on collector current and collector/emitter voltage from the characteristic cuves. Information on the behaviour of the Common Emitter Amplifier and graphs of the characteristic curves. Includes a student workbook (Learning object 9/10).
• Introduction to Transistors : 10 The Operating Point
  Graphically illustrates the behaviour of signals passing through a Common Emitter Amplifier circuit. Demonstrates the use of this circuit as a small signal amplifier. Includes a student workbook (Learning object 10/10).
• Introduction to Transistors
  A collection of 10 learning objects dealing with an Introduction to Transistors. Includes seven student workbooks.
• Describing Amplifier Performance : 1 Amplifier Gain
  Conceptual description of an amplifier and gain as a ratio of input and ouput. Includes a student workbook (Learning object 1/12).
• Describing Amplifier Performance : 2 Gain Questions
  Four questions on gain as a ratio of input and ouput. Includes a student workbook (Learning object 2/12).
• Describing Amplifier Performance : 3 Equivalent Circuit
  Simple equivalent circuit of an amplifier illustrating the relationship of input voltage, output voltage and gain. (Learning object 3/12).
• Describing Amplifier Performance : 4 Voltage Question
  Amplifier input voltage question with several selectable answers to response. Includes a student workbook (Learning object 4/12).
• Describing Amplifier Performance : 5 Amplifier Example
  Complete amplifier example illustrating the effect of input resistance on the amplifier output voltage. Includes a student workbook (Learning object 5/12).
• Describing Amplifier Performance : 6 Simplified Amplifier Circuit
  A simplified circuit of an amplifier introducing the output voltage being limited by the d.c. supply. Includes a student workbook (Learning object 6/12).
• Describing Amplifier Performance : 7 Power Supply
  Worked example of gain as a ratio of output power to input power. In addition, introducing the amplifier power supply. Includes a student workbook (Learning object 7/12).
• Describing Amplifier Performance : 8 Voltage Gain Question
  Single amplifier voltage gain question. Includes a student workbook (Learning object 8/12).
• Describing Amplifier Performance : 9 Output Voltage Questions
  Four short questions to calculate amplifier output voltage. Includes a student workbook (Learning object 9/12).
• Describing Amplifier Performance : 10 Power Gain Question
  Single question on amplifier power gain. Includes a student workbook (Learning object 10/12).
• Describing Amplifier Performance : 11 Maximum Amplifier Current
  Circuit illustrating maximum amplifier current and how this is dependent on the load resistance. Includes a student workbook (Learning object 11/12).
• Describing Amplifier Performance : 12 Maximum Current Question
  Single question on the maximum amplifier input voltage which can be safely applied with a rated maximum output current. Includes a student workbook (Learning object 12/12).
• Describing Amplifier Performance
  A collection of 12 learning objects dealing with describing amplifier performance. Includes eleven student workbooks.
• Binary Codes : 1 Binary Digits
  Interactive switching example demonstrating binary digits. Includes student workbook. (Learning object 1/5).
• Binary Codes : 2 Binary Example
  Interactive switching example demonstrating binary digits to represent numbers. (Learning object 2/5).
• Binary Codes : 3 Binary Representation
  Binary bits used to build a diagram and the introduction of bytes. Includes student workbook. (Learning object 3/5).
• Binary Codes : 4 ASCII Code
  Example of bytes being used in ASCII coding. Includes student workbook. (Learning object 4/5).
• Binary Codes : 5 Parity
  Explanation of odd and even parity used in ASCII coding, plus additional question on parity used in an ASCII character. Includes student workbook. (Learning object 5/5).
• Binary Codes
  This resource contains a sequence of 5 learning objects dealing with Binary Digits. Includes Student Workbooks for some Learning Objects.
• Transmission Methods : Parallel and Serial Transmission
  Explains and demonstrates the benefits of serial and parallel transmission methods. Includes student workbook.
• Communication Channels : 1 The Telephone
  Description of common channels used in communication, with the emphasis placed on the telephone. Includes student workbook. (Learning object 1/2).
• Communication Channels : 2 Data Communication
  Description and illustrations of the communication process, with emphasis placed on the conversion of digital-to-analogue, and the equipment needed to achieve this. Ending with a digital error detection question. Includes student workbook. (Learning object 2/2).
• Communication Channels
  This resource contains a sequence of 2 learning objects dealing with Communication Channels. Includes student workbooks for each learning object.
• Channel Media : 1 Twisted Pair
  Properties of twisted pair telephone wire. Includes student workbook. (Learning object 1/3).
• Channel Media : 2 Coaxial Cable and Optical Fibre
  Properties of coaxial cable and optical fibre. Includes student workbook. (Learning object 2/3).
• Channel Media : 3 Microwave Links
  Explanation and demonstration of microwave communication methods using high frequency radio signals. Includes student workbook. (Learning object 3/3).
• Channel Media
  This resource contains a sequence of 3 learning objects dealing with Channel Media. Includes student workbooks for each learning object.
• Networks : LAN and WAN
  Brief overview of communication networks and Local Area and Wide Area networks. Includes student workbook.
• Long Distance Communication : 1 Serial Transmission
  Example of serial transmission, including descriptions of unipolar and bipolar signals. Includes student workbook. (Learning object 1/7).
• Long Distance Communication : 2 RZ Line Code
  Description of bipolar signal line codes carrying serial data, including interactive RZ line code example. Includes student workbook. (Learning object 2/7).
• Long Distance Communication : 3 NRZ Line Code
  Description of Non-Return to Zero line code, including an interactive example. Includes student workbook. (Learning object 3/7).
• Long Distance Communication : 4 NRZI Line Code
  Description of Non-Return to Zero Inverted line code, including an interactive example. Includes student workbook. (Learning object 4/7).
• Long Distance Communication : 5 Line Code Degradation
  Description of line code degradation during long distance transmission, with emphasis placed on bandwidth. In addition, a narrow band example of a Public Switched Telephone Network is utilised to provide clarity to the prior description. Includes student workbook. (Learning object 5/7).
• Long Distance Communication : 6 Data Transmission Question
  Review question on long-distance external data transmission and short-distance internal data transmission, with simple drag and drop interaction. Includes student workbook. (Learning object 6/7).
• Long Distance Communication : 7 Line Code Questions
  Review questions on line codes with regards to voltage level changes, functionality, degradation and bandwidth. Includes student workbook. (Learning object 7/7).
• Long Distance Communication
  This resource contains a sequence of 7 learning objects dealing with Long Distance Communication. Includes student workbooks for each learning object.
• Digital Speech Coding : 1 Pulse Code Modulation
  Description of the various stages of digital speech coding using pulse code modulation techniques. Topics covered are filtering, sampling, quantization and digitization. Includes student workbook. (Learning object 1/4).
• Digital Speech Coding : 2 Quantization Noise
  Description and example of quantization noise. Includes student workbook. (Learning object 2/4).
• Digital Speech Coding : 3 Quantization Question
  Question on quantization levels with regards to the size of a digital to analogue converter. Includes student workbook (Learning object 3/4).
• Digital Speech Coding : 4 Data Rate
  Example of data rate or bit rate with reference to sampling. Includes student workbook. (Learning object 4/4).
• Digital Speech Coding
  This resource contains a sequence of 4 learning objects dealing with Digital Speech Coding. Includes student workbooks for each learning object.