ECE 3424

ECE 3424

INTERMEDIATE ELECTRONIC CIRCUITS

CATALOG DATA: ECE 3424. Intermediate Electronic Circuits. (4)

(Prerequisites: ECE 3413, credit or registration in MA 3253).: Three hours lecture. Three hours Laboratory. Principles and applications of PN junctions, FE transistors, BJ transistors, and integrated circuits: operational amplifiers, phase-loops, and timers. Amplitude and frequency modulation, superheterodyne receivers. Analysis, simulation, and measurement of circuit performance, as well as circuit construction, are emphasized.

PREREQUISITES BY TOPIC:

Elementary circuit analysis techniques in the time, phasor, and Laplace transform domains.
Solution of algebraic and differential equations with MATLAB.
Complex arithmetic with MATLAB.
Circuit simulation with OrCAD PSpice.
Construction of circuits by soldering parts on a printed circuit board.
Measurement of time signals and frequency spectra with Real Time Analyzer (RTA) software running on personal laptops.

TEXTBOOK(S) AND OTHER REQUIRED MATERIAL:

Giorgio Rizzoni, Principles and Applications of Electrical Engineering (revised 4th Edition), McGraw-Hill 2004.
Adel S. Sedra and Kenneth C. Smith, Microelectronic Circuits, (5th Edition), Oxford 2004.
Joseph G. Tront, PSpice for Basic Circuit Analysis, McGraw Hill, Boston, 2004.
MATLAB® Student Version Release 14 with SIMULINK®, The MathWorks, Inc.
DSSF3 Realtime Analyzer software, Yoshimasa Electronic
Hardware Homework Parts

GENERAL COURSE OBJECTIVES AND RELATIONSHIP TO PROGRAM OBJECTIVES:

To learn characteristics and analog applications of PN junctions, BJTs, MOSFETs, and CMOS devices. [1,2,3,5]
To construct, test and debug both simple electronic circuits and systems with several subcircuit components. [1,2]
To measure performance of the constructed circuits and systems with laboratory instruments and with personal laptops and digital multimeters. [1,2]
To practice self-assessment and interpretation of work from multiple perspectives by comparing measured results for circuits and systems with results from analysis and simulation. [1,2,3]
To learn and apply principles for clearly documenting and communicating findings. [3]

COURSE TOPICS COVERED:

1. PN junction rectifier circuits and DC power supplies. (4 classes)

2. BJT common emitter amplifiers. (4 classes)

3. MOSFET analog switches and voltage controlled resistors; CMOS logic circuits (4 classes)

4. Tuned amplifiers (4 classes)

5. Output stages and power amplifiers. (4 classes)

6. Superheterodyne receivers; AM, FM. (4 classes)

7. Sensors, wiring, grounding and noise. (3 classes)

8. Instumentation amplifiers and active filters. (3 classes)

9. A to D and D to A conversion. (4 classes)

10. Compator and timing circuits. (4 classes)

11. Phase-locked loops (4 classes)

12. Writing laboratory reports (2 classes)

13. Exams (4 classes)

LABORATORY TOPICS COVERED:

1. Laboratory notebook and the AM/FM radio kit (1 lab)

2. Audio amplifier stage. (1 lab)

3. AM detector and AGC stage. (1 lab)

4. Second AM IF amplifier stage. (1 lab)

5. First AM IF amplifier stage. (1 lab)

6. AM mixer, AM oscillator, and AM antenna. (1 lab)

7. FM ratio detector. (1 lab)

8. Second FM IF amplifier stage. (1 lab)

9. First FM IF amplifier stage. (1 lab)

10. FM RF amplifier, mixer oscillator, and AFC stage. (1 lab)

CONTRIBUTIONS TO PROFESSIONAL COMPONENT:

Engineering Science : 4 hours
Engineering Design : 0 hours
Basic Math and Science : 0 hours

ASSESSMENT:

Homework exercises.
Examination exercises.
Final Exam.
Laboratory notebooks and reports.

SPECIFIC COURSE OBJECTIVES AND RELATIONSHIP TO MEASURABLE OUTCOMES:

Objective 1:

Demonstrate the ability to explain the operation of applications that employ circuits with PN junctions, BJTs, MOSFETs and CMOS devices. (1,2)
Demonstrate the ability to explain the operation of a superheterodyne receiver in terms of its subcircuits. (5)

Objective 2:

Demonstrate the ability to construct circuits with a single transistor or IC on a small printed circuit board. (4)
Demonstrate the ability to construct a superheterodyne AM/FM receiver with multiple transistors and ICs on a large printed circuit board. (4)

Objective 3:

Demonstrate the ability to use DSSF3 Real Time Analyzer (RTA) software running on personal laptops to measure time and frequency responses of circuits by driving the circuit with various waveforms (including white noise) and using the RTA Oscillopscope and FFT Analyzer. (2,4,9)
Demonstrate the ability to employ high frequency signal generators and oscilloscopes available in the laboratory to align and measure the performance of the audio, IF, and RF circuits in a superheterodyne receiver. (4)

Objective 4:

Demonstrate the ability to compare, pairwise, results from analysis, simulation, and measurements to obtain feedback on a circuit's performance (and insight for debugging or troubleshooting if the results are inconsistent) without immediate direct involvement of the teacher. (3)

Objective 5:

Demonstrate the ability to communicate experimental findings and data by writing a comprehensive technical report. (7)
Demonstrate the ability to analyze and interpret experimental data. (3,4,5)

PREPARED BY:

Dr. Marion Hagler, Professor of Electrical and Computer Engineering, June 9, 2005.