Maricopa Community Colleges  ELT139   19886-19926 
Official Course Description: MCCCD Approval: 05/26/92
ELT139 19886-19926 L+L 4 Credit(s) 6 Period(s)
Electronic Devices
Theory of operation of semiconductor devices. Includes diodes, bipolar transistors, and field effect transistors. Includes the study of transistor physics and circuits, transistor parameters, transistor bias and stability methods, and qualitative analysis of bipolar semiconductor devices and circuits. Prerequisites: ELT103. Corequisites: ELT104.
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MCCCD Official Course Competencies:
 
ELT139   19886-19926 Electronic Devices
1. Define the following electronic terms: intrinsic semiconductor, n-type material, p-type material, doping, covalent bonding, pentavalent atoms and trivalent atoms. (I)
2. Describe the operation of a forward or reverse bias diode. (I, II)
3. Calculate minimum and maximum current, minimum and maximum voltage and zener current given a circuit using a zener diode. (II)
4. Identify and calculate output currents and voltages for the half-wave, full-wave, full-wave center tap and bridge rectifier circuits. (III)
5. Describe the functions of the base, emitter and collector of a bipolar transistor, and how they are biased. (IV)
6. Identify and describe the various forms of transistor biasing and how an operating point is selected. (V)
7. Solve for all DC voltages and currents in the three basic transistor amplifier configurations (CE, BC and CC). (IV)
8. Describe the operation of the field effect transistor. (VI, VII)
9. Generate proper biasing circuitry for a junction FET (field effect transistor) (JFET), and depletion and enhancement type metal oxide semiconductor FET (MOSFET). (VI, VII)
10. Describe the basic AC model of the transistor amplifier configurations. (VIII)
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MCCCD Official Course Outline:
 
ELT139   19886-19926 Electronic Devices
    I. Semiconductor principles
        A. Atomic structure
        B. Conductors, insulators and semiconductors
        C. Semiconductor principles
        D. P-N junctions
      II. Diodes
          A. Characteristics of the diode
          B. Equivalent circuits of diodes
          C. Operating limitations and manufacturers specifications
          D. Zener diodes
          E. Troubleshooting diode circuits
        III. Power supplies
            A. Half-wave rectifier circuit
            B. Full-wave rectification
            C. Full-wave bridge rectifier
            D. Ripple and filter circuits
            E. Voltage-multiplier circuits
          IV. Bipolar junction transistor
              A. Operating principles
              B. Common base and common emitter configurations
              C. Transistors and the DC load line
              D. Operating limitations of transistors
              E. Junction capacitance
            V. Biasing methods
                A. Effect of transistor variations
                B. Typical parameter values
                C. Emitter-resistor bias
                D. Emitter bias
                E. Collector-feedback bias
              VI. JFETs
                  A. Basic concepts
                  B. Gate bias
                  C. Self-bias
                  D. Voltage-divider and source bias
                VII. MOSFETs
                    A. The depletion-type MOSFET
                    B. Biasing depletion-type MOSFETs
                    C. The enhancing-type MOSFET
                    D. Biasing enhancement-type MOSFETs
                  VIII. Introduction to amplifiers
                      A. Biasing the amplifier
                      B. The RC coupled amplifier
                      C. Amplifier equivalent circuits
                      D. The AC load line
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