UELE 121 - Solid State Devices and Circuits I

Theory of operation of semiconductor diodes and transistors. Includes bipolar junction transistor biasing and load-line analysis. Also includes alternating current (AC) equivalent circuits applied to small signal amplifiers. Includes characteristics of large signal and power amplifiers.

Course Learning Outcomes:
1. Define the following electronic terms: intrinsic semiconductor, n-type material, p-type material, doping, covalent bonding, pentavalent atoms and trivalent atoms.

2. Describe the operation of both a forward and reverse-biased diode.

3. Analyze small and large-signal diode circuits.

4. Describe the functions of the base, emitter and collector of a bipolar transistor, and how they are biased.

5. Identify and describe the various forms of transistor biasing and how an operating point is selected.

6. Solve for all DC voltages, and current in the three basic transistor amplifiers configurations (Common Emitter (CE), Common Base (CB), and Common Collector (CC).

7. Calculate input and output impedances and voltage gain for a given configuration, using the AC model of the three basic transistor amplifier configurations.

8. Explain the concept of the transconductance and its effect on the Field Effect Transistor amplifier gain.

9. Describe the operation of common-source, common-drain, and common-gate amplifier and draw schematic diagrams for each.

10. Apply the scientific method in inquire and deduction relating the laws, theories and axioms of solid-state devices to specific laboratory experiments.

11. Explain the concept of differential versus common-mode signals.

12. Analyze a differential amplifier, computer gain, input impedance and common-mode rejection ratio (CMRR).

13. Explain the concept of open-loop vs closed loop responses of an amplifier and relate to amplifier stability.

14. Calculate voltage gains, input and output impedance and bandwidths for inverting and non-inverting operational amplifier (OP AMP) circuits

Outline:
I. Introduction

Semiconductor theory
Conduction in crystals
Doping

II. Diode Theory

The unbiased diode
Forward bias
Reverse bias
Diode approximations

III. Diode Circuits

The half-wave rectifier
The full-wave rectifier
The bridge rectifier
The limiter
The DC clamper

IV. Special-Purpose Diodes

Zener diodes
Optoelectronic devices
The Schottky diode
Varactor diodes

V. Bipolar Transistors

Basic concepts
Forward-reverse bias
The CE connection
Transistor characteristics
DC load lines
F. The transistor current source

VI. Transistor Biasing Circuits

Base bias
Emitter-feedback bias
Collector-feedback bias
Voltage-divider bias

VII. CE Amplifiers

Coupling and bypass capacitors
Superposition theorem for amplifiers
AC resistance of the emitter diode
The AC model of a CE stage
The swamped stages
Cascaded stages

VIII. CC and CB Amplifiers

The CC amplifier
The AC model of an emitter follower
The common-base amplifier

IX. Field Effect Transistor Amplifiers

Transconductance
The CS amplifier
The CD amplifier
The CG amplifier
Other applications
X. OP-AMP Theory
The differential amplifier
DC analysis of a differential amplifier
AC analysis of a differential amplifier
The operational amplifier
OP-AMP characteristics

XI. Frequency Response and Stability

Basic concepts
Open-loop response
Closed-loop response
Stability considerations

XII. Linear OP-AMP Circuits

Negative feedback
Non-inverting voltage amplifiers
The inverting voltage amplifier
The summing amplifier