SAQA All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.
SOUTH AFRICAN QUALIFICATIONS AUTHORITY 
REGISTERED UNIT STANDARD THAT HAS PASSED THE END DATE: 

Construct and test advanced electronic circuits 
SAQA US ID UNIT STANDARD TITLE
12225  Construct and test advanced electronic circuits 
ORIGINATOR
SGB Manufacturing and Assembly Processes 
PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY
-  
FIELD SUBFIELD
Field 06 - Manufacturing, Engineering and Technology Manufacturing and Assembly 
ABET BAND UNIT STANDARD TYPE PRE-2009 NQF LEVEL NQF LEVEL CREDITS
Undefined  Regular  Level 4  NQF Level 04  16 
REGISTRATION STATUS REGISTRATION START DATE REGISTRATION END DATE SAQA DECISION NUMBER
Passed the End Date -
Status was "Reregistered" 		 2018-07-01  2023-06-30  SAQA 06120/18 
LAST DATE FOR ENROLMENT LAST DATE FOR ACHIEVEMENT
2026-06-30   2029-06-30  

In all of the tables in this document, both the pre-2009 NQF Level and the NQF Level is shown. In the text (purpose statements, qualification rules, etc), any references to NQF Levels are to the pre-2009 levels unless specifically stated otherwise.  

This unit standard does not replace any other unit standard and is not replaced by any other unit standard. 

PURPOSE OF THE UNIT STANDARD 
The skills, values and knowledge reflected in this unit standard are required by people in the field of autotronics.

The learning outcomes in this unit standard also contribute to the exit level outcomes required for the autotronics NQF level 4 qualification.

Qualifying learners are able to construct and test a variety of advanced working electronic circuits from advanced electronic circuit diagrams and manufacturer specific manuals. 

LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
This unit standard has been designed as part of a progression.

The credits allocated to this unit standard assume that the learner is competent on the relevant unit standards at the lower level, including:
  • Construct and test basic electronic circuits. 
    		•

    UNIT STANDARD RANGE 
    The scope and level of this unit standard is determined by the ranges as indicated under specific outcomes.

    The learner should be able to work autonomously. 

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Discuss and explain the fundamentals of advanced electronics. 
    OUTCOME RANGE 
    Fundamentals of advanced electronics include analogue versus digital signals, digital codes (number systems), logic gates, microprocessor theory, addressing communication media and AD/DA converters, sensors and feed back control principles. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Results achieved
  • An understanding of the fundamentals of advanced electronics and advanced electronic circuits is demonstrated.
  • Advanced electronic circuits diagrams and related symbols are read and interpreted correctly.
  • Circuits are constructed, function and meet specifications.
  • All defective components are marked, removed and reported.
  • Relevant documentation is completed.


    Indicators
  • Appropriate components are chosen.
  • Appropriate voltage sources are chosen.
  • Test equipment is selected and used correctly.
  • Safe working practices are adhered to while carrying out activities.
  • Appropriate fault finding procedures are used.


    Understanding confirmed
  • Respond to 'what if' and 'why' questions covering:
  • Fundamentals of advanced electronics
  • Advanced electronic circuits
  • Logic gates
  • Digital codes
  • Control feed back loop
  • Selection and use of components
  • Diagnosis and testing of static and dynamic signal voltages
  • Consequences of not applying relevant safety practices and procedures
  • Manufacturer's specification manuals
  • Applicable digital fundamentals 
    		•

    SPECIFIC OUTCOME 2 
    Discuss and explain the operation of advanced electronic circuits. 
    OUTCOME RANGE 
    Digital electronic circuits include Schmitt trigger (threshold switch), flip flops (monostable and astable), gating circuits, adders, timers, shift registers, AD/DA conversion, pulse forming, frequency divider, division control multivibrator, switching amplifiers, multiplier, multiplexing and integrated circuits. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Results achieved
  • An understanding of the fundamentals of advanced electronics and advanced electronic circuits is demonstrated.
  • Advanced electronic circuits diagrams and related symbols are read and interpreted correctly.
  • Circuits are constructed, function and meet specifications.
  • All defective components are marked, removed and reported.
  • Relevant documentation is completed.


    Indicators
  • Appropriate components are chosen.
  • Appropriate voltage sources are chosen.
  • Test equipment is selected and used correctly.
  • Safe working practices are adhered to while carrying out activities.
  • Appropriate fault finding procedures are used.


    Understanding confirmed
  • Respond to 'what if' and 'why' questions covering:
  • Fundamentals of advanced electronics
  • Advanced electronic circuits
  • Logic gates
  • Digital codes
  • Control feed back loop
  • Selection and use of components
  • Diagnosis and testing of static and dynamic signal voltages
  • Consequences of not applying relevant safety practices and procedures
  • Manufacturer's specification manuals
  • Applicable digital fundamentals 
    		•

    SPECIFIC OUTCOME 3 
    Read and interpret advanced electronic circuit diagrams. 
    OUTCOME RANGE 
    Advanced circuit diagrams to include block diagrams, related symbols and circuit diagrams, related truth tables and circuits as used per specific automobile manufacturer. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Results achieved
  • An understanding of the fundamentals of advanced electronics and advanced electronic circuits is demonstrated.
  • Advanced electronic circuits diagrams and related symbols are read and interpreted correctly.
  • Circuits are constructed, function and meet specifications.
  • All defective components are marked, removed and reported.
  • Relevant documentation is completed.


    Indicators
  • Appropriate components are chosen.
  • Appropriate voltage sources are chosen.
  • Test equipment is selected and used correctly.
  • Safe working practices are adhered to while carrying out activities.
  • Appropriate fault finding procedures are used.


    Understanding confirmed
  • Respond to 'what if' and 'why' questions covering:
  • Fundamentals of advanced electronics
  • Advanced electronic circuits
  • Logic gates
  • Digital codes
  • Control feed back loop
  • Selection and use of components
  • Diagnosis and testing of static and dynamic signal voltages
  • Consequences of not applying relevant safety practices and procedures
  • Manufacturer's specification manuals
  • Applicable digital fundamentals 
    		•

    SPECIFIC OUTCOME 4 
    Identify and select advanced electronic and related components for circuit construction. 
    OUTCOME RANGE 
    Advanced electronic components include integrated circuit series as used by the automobile manufacturer's specifications, logic gates, relevant electronic control units and microprocessors. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Results achieved
  • An understanding of the fundamentals of advanced electronics and advanced electronic circuits is demonstrated.
  • Advanced electronic circuits diagrams and related symbols are read and interpreted correctly.
  • Circuits are constructed, function and meet specifications.
  • All defective components are marked, removed and reported.
  • Relevant documentation is completed.


    Indicators
  • Appropriate components are chosen.
  • Appropriate voltage sources are chosen.
  • Test equipment is selected and used correctly.
  • Safe working practices are adhered to while carrying out activities.
  • Appropriate fault finding procedures are used.


    Understanding confirmed
  • Respond to 'what if' and 'why' questions covering:
  • Fundamentals of advanced electronics
  • Advanced electronic circuits
  • Logic gates
  • Digital codes
  • Control feed back loop
  • Selection and use of components
  • Diagnosis and testing of static and dynamic signal voltages
  • Consequences of not applying relevant safety practices and procedures
  • Manufacturer's specification manuals
  • Applicable digital fundamentals 
    		•

    SPECIFIC OUTCOME 5 
    Test advanced electronic circuits for static and dynamic voltages. 
    OUTCOME RANGE 
    Test equipment includes digital and analogue multi- meters, logic probes, test lamps and oscilloscope. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Results achieved
  • An understanding of the fundamentals of advanced electronics and advanced electronic circuits is demonstrated.
  • Advanced electronic circuits diagrams and related symbols are read and interpreted correctly.
  • Circuits are constructed, function and meet specifications.
  • All defective components are marked, removed and reported.
  • Relevant documentation is completed.


    Indicators
  • Appropriate components are chosen.
  • Appropriate voltage sources are chosen.
  • Test equipment is selected and used correctly.
  • Safe working practices are adhered to while carrying out activities.
  • Appropriate fault finding procedures are used.


    Understanding confirmed
  • Respond to 'what if' and 'why' questions covering:
  • Fundamentals of advanced electronics
  • Advanced electronic circuits
  • Logic gates
  • Digital codes
  • Control feed back loop
  • Selection and use of components
  • Diagnosis and testing of static and dynamic signal voltages
  • Consequences of not applying relevant safety practices and procedures
  • Manufacturer's specification manuals
  • Applicable digital fundamentals 
    		•

    SPECIFIC OUTCOME 6 
    Construct advanced electronic circuits. 
    OUTCOME NOTES 
    Diagnose communication and source voltage faults. 
    OUTCOME RANGE 
    Advanced electronic circuits must be constructed on breadboards, by means of plug in components or by soldering. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Results achieved
  • An understanding of the fundamentals of advanced electronics and advanced electronic circuits is demonstrated.
  • Advanced electronic circuits diagrams and related symbols are read and interpreted correctly.
  • Circuits are constructed, function and meet specifications.
  • All defective components are marked, removed and reported.
  • Relevant documentation is completed.


    Indicators
  • Appropriate components are chosen.
  • Appropriate voltage sources are chosen.
  • Test equipment is selected and used correctly.
  • Safe working practices are adhered to while carrying out activities.
  • Appropriate fault finding procedures are used.


    Understanding confirmed
  • Respond to 'what if' and 'why' questions covering:
  • Fundamentals of advanced electronics
  • Advanced electronic circuits
  • Logic gates
  • Digital codes
  • Control feed back loop
  • Selection and use of components
  • Diagnosis and testing of static and dynamic signal voltages
  • Consequences of not applying relevant safety practices and procedures
  • Manufacturer's specification manuals
  • Applicable digital fundamentals 
    		•

    SPECIFIC OUTCOME 7 
    Apply the relevant safety when working with electronic equipment. 
    OUTCOME RANGE 
    Electronic safety includes electrical safety, component safety and electro static safety. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Results achieved
  • An understanding of the fundamentals of advanced electronics and advanced electronic circuits is demonstrated.
  • Advanced electronic circuits diagrams and related symbols are read and interpreted correctly.
  • Circuits are constructed, function and meet specifications.
  • All defective components are marked, removed and reported.
  • Relevant documentation is completed.


    Indicators
  • Appropriate components are chosen.
  • Appropriate voltage sources are chosen.
  • Test equipment is selected and used correctly.
  • Safe working practices are adhered to while carrying out activities.
  • Appropriate fault finding procedures are used.


    Understanding confirmed
  • Respond to 'what if' and 'why' questions covering:
  • Fundamentals of advanced electronics
  • Advanced electronic circuits
  • Logic gates
  • Digital codes
  • Control feed back loop
  • Selection and use of components
  • Diagnosis and testing of static and dynamic signal voltages
  • Consequences of not applying relevant safety practices and procedures
  • Manufacturer's specification manuals
  • Applicable digital fundamentals 
    		•

    SPECIFIC OUTCOME 8 
    Discuss and report incidents and problems related to advanced electronic work. 
    OUTCOME NOTES 
    Discuss and report incidents and problems related to advanced electronic work, and compile fault finding reports and requisition forms. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Results achieved
  • An understanding of the fundamentals of advanced electronics and advanced electronic circuits is demonstrated.
  • Advanced electronic circuits diagrams and related symbols are read and interpreted correctly.
  • Circuits are constructed, function and meet specifications.
  • All defective components are marked, removed and reported.
  • Relevant documentation is completed.


    Indicators
  • Appropriate components are chosen.
  • Appropriate voltage sources are chosen.
  • Test equipment is selected and used correctly.
  • Safe working practices are adhered to while carrying out activities.
  • Appropriate fault finding procedures are used.


    Understanding confirmed
  • Respond to 'what if' and 'why' questions covering:
  • Fundamentals of advanced electronics
  • Advanced electronic circuits
  • Logic gates
  • Digital codes
  • Control feed back loop
  • Selection and use of components
  • Diagnosis and testing of static and dynamic signal voltages
  • Consequences of not applying relevant safety practices and procedures
  • Manufacturer's specification manuals
  • Applicable digital fundamentals 
    		•


    UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS 
  • My assessment will be governed by the policies and guidelines of the MERSETA Education and Training Quality Assurer who has jurisdiction over this field of learning. My assessor will (at the very least) be accredited and have a technical qualification in this learning area.
  • I can be assessed in the language of my choice although if I have to report incidents or conditions to someone else, I will be assessed on my ability to report in the language commonly used in my working environment.
  • I will be assessed in the workplace but I can submit documents, projects, test results and assignments that were not produced in the workplace.
  • I can be assessed against this unit standard to obtain credits or as part of an integrated assessment for a qualification. 
    		•

    UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE 
    Names and functions of:
  • Number systems
  • Logic gates
  • Feed back loop control
  • Integrated Circuit packages (IC series)
  • Electronic test equipment

    Purpose of:
  • Reading circuit diagrams
  • Testing of circuits and components
  • Applying electronic safety
  • Diagnosing fault conditions

    Attributes, descriptions, characteristics and properties:
  • Gates
  • Microprocessors
  • Electronic test equipment

    Sensory cues:
  • Use of senses to detect faulty component in a circuit
  • Use of sight to read circuit diagrams and test equipment

    Causes and effects, implications of:
  • Causes of damage and injury
  • Implications of incorrect source voltages
  • Implications of incorrect testing applications
  • Implications of incorrect component selection

    Procedures and techniques:
  • Safety procedures
  • Fault finding procedures for components and circuits
  • Diagnostic techniques for fault location

    Regulations, legislation, agreements, policies, standards:
  • Safety regulations when working with light current
  • Applicable safety, health and environmental legislation

    Theory, rules, principle laws:
  • Number systems
  • Fundamentals of digital electronics
  • Coding
  • Feedback control loop
  • Logic gates
  • Microprocessor operation
  • Communication medium
  • Other related topics

    Relationships, systems:
  • Relationship between advanced electronics and that of electronic ignition systems
  • Relationship advanced electronics and that of engine management systems
  • Relationship between advanced electronics and that of safety systems
  • Relationship between advanced electronics and that of open and closed loop control systems
  • Relationship between advanced electronics and comfort and communication systems 
    		•

    UNIT STANDARD DEVELOPMENTAL OUTCOME 
    N/A 

    UNIT STANDARD LINKAGES 
    N/A 


    Critical Cross-field Outcomes (CCFO): 

    UNIT STANDARD CCFO IDENTIFYING 
    Identify and solve problems:
  • Recognise situations that require action and correct when necessary. 
    		•

    UNIT STANDARD CCFO WORKING 
    Work effectively with others:
  • When constructing and testing advanced electronic circuits. 
    		•

    UNIT STANDARD CCFO ORGANISING 
    Organise and manage myself and my activities:
  • Apply the correct procedures for using, storing and looking after equipment, tools, test equipment, circuit diagrams and components. 
    		•

    UNIT STANDARD CCFO COMMUNICATING 
    Communicate effectively:
  • Use common names for components.
  • Use common names for test equipment.
  • Use common names for circuits. 
    		•

    UNIT STANDARD CCFO SCIENCE 
    Use science and technology:
  • Use and apply scientific principles to advanced electronic circuit functioning. 
    		•

    UNIT STANDARD CCFO DEMONSTRATING 
    Demonstrate and understand the world as a set of related systems:
  • Relate the use of advanced electronics to electronic systems on an automobile. 
    		•

    REREGISTRATION HISTORY 
    As per the SAQA Board decision/s at that time, this unit standard was Reregistered in 2012; 2015. 

    UNIT STANDARD NOTES 
    N/A 

    QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Core  48696   National Certificate: Measurement, Control and Instrumentation  Level 3  NQF Level 03  Passed the End Date -
    Status was "Reregistered"     		 2009-04-08  Was EWSETA until Last Date for Achievement 
    Core  50371   Further Education and Training Certificate: Domestic Appliance Repair  Level 4  NQF Level 04  Passed the End Date -
    Status was "Reregistered"     		 2023-06-30  EWSETA 
    Core  22860   National Certificate: Autotronics  Level 4  Level TBA: Pre-2009 was L4  Passed the End Date -
    Status was "Reregistered"     		 2012-06-30  MERSETA 
    Core  78526   National Certificate: Automotive Repair and Maintenance  Level 5  Level TBA: Pre-2009 was L5  Passed the End Date -
    Status was "Reregistered"     		 2023-06-30  As per Learning Programmes recorded against this Qual 
    Elective  78525   Further Education and Training Certificate: Automotive Repair and Maintenance  Level 4  NQF Level 04  Passed the End Date -
    Status was "Reregistered"     		 2023-06-30  As per Learning Programmes recorded against this Qual 
    Elective  58539   Further Education and Training Certificate: Automotive Repair and Maintenance  Level 4  NQF Level 04  Passed the End Date -
    Status was "Registered"     		 2009-02-18  Was MERSETA until Last Date for Achievement 
    Elective  78883   Further Education and Training Certificate: Autotronics  Level 4  NQF Level 04  Passed the End Date -
    Status was "Reregistered"     		 2023-06-30  MERSETA 
    Elective  74531   Further Education and Training Certificate: Measurement, Control and Instrumentation  Level 4  NQF Level 04  Passed the End Date -
    Status was "Reregistered"     		 2023-06-30  As per Learning Programmes recorded against this Qual 
    Elective  57450   National Diploma: Automotive Diagnostics and Repair  Level 5  Level TBA: Pre-2009 was L5  Passed the End Date -
    Status was "Registered"     		 2009-02-18  Was MERSETA until Last Date for Achievement 


    PROVIDERS CURRENTLY ACCREDITED TO OFFER THIS UNIT STANDARD: 
    This information shows the current accreditations (i.e. those not past their accreditation end dates), and is the most complete record available to SAQA as of today. Some Primary or Delegated Quality Assurance Functionaries have a lag in their recording systems for provider accreditation, in turn leading to a lag in notifying SAQA of all the providers that they have accredited to offer qualifications and unit standards, as well as any extensions to accreditation end dates. The relevant Primary or Delegated Quality Assurance Functionary should be notified if a record appears to be missing from here.
     
    NONE 


    All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.