10413768Industrial Electrician Solid State Electronics
Course Information
Description
This course provides the apprentice with the skills and knowledge for troubleshooting basic solid-state devices and circuits. The construction, identification, and operating characteristics of solid-state devices is investigated. The apprentice builds test circuits, gathers and analyzes data, and follows safety procedures. Methods for locating defective components are applied. The replacement of printed circuit board components is performed. Also examined is the effect of temperature on the operation of solid-state devices.
Total Credits
3

Course Competencies
  1. Examine diodes
    Assessment Strategies
    by completing a written lab assignment
    by testing diodes with an ohmmeter
    given an estimated time of 6 hours
    Criteria
    apprentice identifies the device by its symbol in a circuit
    apprentice identifies the device by its physical shape
    apprentice explains the basic operating characteristics of the device
    apprentice sets up and uses the ohmeter according to its operating procedures
    apprentice applies appropriate testing procedures
    apprentice explains the parameters for a proper or improperly functioning diode
    apprentice meets specific criteria stated on lab assignment

  2. Analyze DC power supplies
    Assessment Strategies
    by completing a written lab assignment
    analyzing a DC power supply
    given an estimated time of 10 hours
    Criteria
    apprentice draws a block diagram of a basic DC power supply
    apprentice analyzes the output voltage of transformer fed half-wave and full-wave bridge rectifiers
    apprentice computes the output voltage of transformer fed half-wave, full-wave center-tapped and full-wave bridge rectifiers
    apprentice draws the output waveforms for the three types of power supplies in exact relation to the input waveform
    apprentice analyzes the advantages and disadvantages of voltage dividers and multipliers
    apprentice analyzes the advantages and disadvantages of L-section and pi-section filters
    apprentice determines the peak-inverse voltage (PIV) rating of diodes
    apprentice explains how the PIV and current ratings of diodes can be increased
    apprentice explains power supply test results
    apprentice explains filter test results
    apprentice measures and records test data
    apprentice uses voltage and waveform measurements for troubleshooting and identifies the defect
    apprentice troubleshoots filters using an oscilloscope
    apprentice meets specific criteria stated on lab assignment

  3. Test transistors
    Assessment Strategies
    by completing a written lab assignment
    testing transistors
    given an estimated time of 8 hours
    Criteria
    apprentice sets up the lab, equipment and test procedure
    apprentice analyzes various BJT biasing methods under varying operating conditions
    apprentice measures and records test data
    apprentice explains transistor operating characteristics, both proper and improper, based on test results
    apprentice meets specific criteria stated on lab assignment

  4. Troubleshoot transistor applications
    Assessment Strategies
    by completing a written lab assignment
    analyzing and troubleshooting transistor applications
    given electronics lab equipment
    given an estimated time of 9 hours
    Criteria
    apprentice sets up the lab, equipment and test procedure
    apprentice analyzes amplifier input and output characteristics under varying operating conditions
    apprentice analyzes test data
    apprentice can explain how measured test results relate to the theory involved
    apprentice creates defects in an amplifier
    apprentice articulates the steps of troubleshooting
    apprentice takes correct voltage readings with multimeter or oscilloscope to troubleshoot amplifier operation
    apprentice measures and records test data
    apprentice meets specific criteria stated on lab assignment

  5. Test specialized transistors
    Assessment Strategies
    by completing a written lab assignment
    testing specialized transistor applications
    given electronics lab equipment
    given an estimated time of 8 hours
    Criteria
    apprentice sets up the lab, equipment and test procedure
    apprentice measures and records test data
    apprentice explains advantages and disadvantages of JFET's and MOSFET's
    apprentice explains test results for JFET's
    apprentice explains test results for MOSFET's
    apprentice meets specific criteria stated on lab assignment

  6. Test thyristor unilateral devices
    Assessment Strategies
    by completing a written lab assignment
    testing thyristor unilateral devices
    given electronics lab equipment
    given an estimated time of 6 hours
    Criteria
    apprentice sets up the lab, equipment and test procedure
    apprentice measures and records test data
    apprentice analyzes the effect on current flowing through the SCR for forward and reverse biasing
    apprentice analyzes methods of triggering SCR's
    apprentice explains test results for SCR's
    apprentice uses manufacturer data sheets to capture specific electrical characteristics for the SCR being worked with
    apprentice meets specific criteria stated on lab assignment

  7. Test thyristor bilateral and triggering devices
    Assessment Strategies
    by completing a written lab assignment
    testing thyristor bilateral and triggering devices
    given electronics lab equipment
    given an estimated time of 8 hours
    Criteria
    apprentice sets up the lab, equipment and test procedure
    apprentice measures and records test data
    apprentice analyzes the effect on current flowing through the diac for forward and reverse biasing
    apprentice analyzes methods of triggering triac's to obtain varying amounts of conduction
    apprentice shows how diac's are used for triggering triac's
    apprentice explains test results for triac's and diac's
    apprentice tests triac's for open and short circuits
    apprentice meets specific criteria stated on lab assignment

  8. Test transducers and opto-electric devices
    Assessment Strategies
    by completing a written lab assignment
    testing transducer and opto-electric devices
    given electronics lab equipment
    given an estimated time of 6 hours
    Criteria
    apprentice sets up the lab, equipment and test procedure
    apprentice measures and records test data
    apprentice analyzes the operation of transducers
    apprentice analyzes the operation of optoelectronic devices
    apprentice tests LED's for operating characteristics
    apprentice tests optocoupler (optoisolator) for operating characteristics
    apprentice meets specific criteria stated on lab assignment

  9. Test basic integrated circuits
    Assessment Strategies
    by completing a written lab assignment
    testing basic integrated circuits
    given electronics lab equipment
    given an estimated time of 6 hours
    Criteria
    apprentice sets up the lab, equipment and test procedure
    apprentice builds integrated circuit according to drawings supplied
    apprentice tests the operating characteristics of the 555 IC when used in typical circuit applications
    apprentice measures and records test data
    apprentice meets specific criteria stated on lab assignment

  10. Perform circuit repair, replacement, and protection
    Assessment Strategies
    by completing a written lab assignment
    repairing circuits
    replacing circuits
    protecting circuits
    given electronics lab equipment
    given an estimated time of 6 hours
    Criteria
    apprentice sets up the lab, equipment and test procedure
    apprentice analyzes the procedures for repairing PC boards
    apprentice analyzes the procedures for replacing defective components on a PC board
    apprentice analyzes methods to increase heat dissipation
    apprentice selects the correct equipment for PC board repair and component replacement
    apprentice applies safety precautions in all solder and de-soldering operations
    apprentice de-solders to remove a component
    apprentice solders to install a component
    apprentice follows proper safety procedures for the type of repair being made and the equipment used
    apprentice controls heat in semiconductor circuits
    apprentice meets specific criteria stated on lab assignment