About Us ABET ECE 1212Electronic Circuit Design Laboratory(3 credits) Description: An electronic circuits laboratory experience with emphasis on circuit applications and design. Topics include: multi-stage amplifier design; operational amplifier applications; analog-digital conversion applications, active filters. Prerequisites: ECE 0257 and ECE 1201 Texts: reference: Adel Sedra and Kenneth Smith, Microelectronics Circuits Oxford University Press, 1998. Laboratory Manual (provided by Department-available on-line updated every term) Course Objectives: A primary function of this laboratory is support of our electronic circuit design course (ECE 0257). A second function is to introduce active circuits not seen in ECE 0257 (e.g. active filters and D/A and A/D converters). Software tools used in the design and testing of circuits and devices are also used extensively (e.g. LabView and PSPICE). Fundamental, active circuits are designed, built and tested. Measured performance is compared with design goals. Students explore circuit limits with respect to power, frequency or time response. Students learn in a team environment and divide tasks among team members. Topics Covered: Amplifier design using bipolar junction transistors (common emitter and emitter-follower circuits). MOSFET characteristics and MOSFET amplifier design. Operational amplifier design including: a) frequency response of operational amplifiers. b) instrumentation amplifier (difference amplifier) and c) ramp generation (integration). Active filters and oscillators, shift registers and applications including shift register construction, Johnson counter, digital sine wave generation, ana log-digital applications including D/A converters (R-2R & weighted resistor) and a parallel A/D converter. Class/Laboratory Schedule: This class meets five hours per week, two hours on one day, three hours on a second day. Lectures covering background material are given as needed (once or more a week). The lectures describe the experiment that will be carried out in the next class meeting or two. Students generally work in groups of two. Each group prepares an analysis of an experiment before it is done in lab and prepares a plan for execution of the experiment. This prelab is reviewed and forms the basis for the execution of the actual experiment. All observations by the two-person group are recorded in a lab notebook or a computer file. After each of the seven experiments is completed each group prepares a comprehensive final report. In that report, the experiment results and all observations are described and discussed. Comparisons between predictions from the prelab and actual experimental observations are made. Professional Component Contributions: Students learn how to approach real engineering problems; design circuits, compare observed characteristics with those expected from the design. Students become sensitive to discrepancies and learn to analyze error margins. Students also learn how to function as part of a team. Accountability and responsibility emphasized. Prepared by: Joel Falk Date Prepared: March 2, 2005
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