Maricopa Community Colleges  ELT123   19932-19966 
Official Course Description: MCCCD Approval: 05/26/92
ELT123 19932-19966 LEC
LAB
4 Credit(s)
0 Credit(s)
3 Period(s)
3 Period(s)
Semiconductor Electronics
Study of transistor physics and circuits, including transistor parameters, large signal and small signal amplifier designs. Covers transistor bias and stability methods, and extensive qualitative analysis of bipolar semiconductor devices and circuits. Prerequisites: (ELT111 and ELT112) or ELT113.
Go to Competencies    Go to Outline
 
MCCCD Official Course Competencies:
 
ELT123   19932-19966 Semiconductor Electronics
1. Define the following electronic terms: intrinsic semiconductor, n-type material, p-type material, doping, covalent bonding, pentavalanet atoms, and travalent 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 center tap, and bridge rectifier circuits. (III)
5. Define the functions of the base emitter and collector of a bipolar transistor. (IV)
6. Solve for all DC voltages and currents in the three basic transistor amplifier configurations (CE, CB, and CC). (IV)
7. Identify and describe the various forms of transistor biasing and how an operating point is selected. (V, VI)
8. Calculate input impedance, output impedence, voltage gain, current gain, and power gain for a given configuration using the AC model of the three basic transistor amplifier configurations. (VII)
9. Describe the operation of class A, B, and C amplifiers, including the correct descriptions of their operating points. (VIII-X)
10. Use DC and AC load lines. (VIII)
11. Calculate low and high frequency cutoff points for transistor amplifiers. (XI)
Go to Description    Go to top of Competencies
 
MCCCD Official Course Outline:
 
ELT123   19932-19966 Semiconductor Electronics
    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. Equvalent 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. NPN transistors and the DC load line
              D. Operating limitations of transistors
              E. Junction capacitance
            V. Introduction to amplifiers
                A. Biasing the amplifier
                B. RC coupled amplifier
                C. Amplifier equivalent circuits
                D. AC load line
              VI. Biasing methods
                  A. Effect of transistor variations
                  B. Typical parameter values
                  C. Emitter-resistor bias
                  D. Emitter bias
                  E. Collector-feedback bias
                VII. Equivalent circuits
                    A. H-parameter equivalent circuit
                    B. Conversion from common-base to common emitter parameters
                    C. Amplifier performance equations (from h-parameter circuit)
                    D. Hybrid-equivalent circuit
                    E. Miller's theorem
                  VIII. Other amplifier circuits
                      A. Emitter follower amplifier
                      B. Darlington amplifier
                      C. Common-base amplifier
                      D. Differential amplifier
                    IX. Cascaded amplifiers
                        A. RC-coupled amplifiers
                        B. Transformer-coupled amplifiers
                        C. Direct-coupled stages
                      X. Power amplifiers
                          A. Amplifier classes
                          B. Efficiency
                          C. Class B amplifiers (push-pull)
                        XI. Frequency response
                            A. Decibels
                            B. Frequency effect in RC-coupled amplifiers
                            C. High frequency response analysis
                            D. Low frequency response due to coupling and emitter-bypass capacitors
                            E. Bode-plot techniques
                        Go to Description    Go to top of Competencies    Go to top of Outline