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Peer Review

BJT Base Simulation Applet

by C.R. Wie


Overall Numeric Rating:

4.9 stars
Content Quality: 4.7 stars
Effectiveness: 4 stars
Ease of Use: 4.7 stars
Reviewed: Jul 15, 2004 by Engineering Editorial Board
Overview: One of a set of presentations describing the behavior of semiconductor devices.
This applet shows how the base of a BJT behaves under a variable set of
conditions. It provides EE students with the ability to interact with a working
model of the BJT base behavior.
Type of Material: Tutorial with simulation, visulaization, problem solving and review test.
Recommended Uses: Supplement class lectures and text
Technical Requirements: Java enabled browser
Identify Major Learning Goals: Understanding one aspect of basic BJT behavior. The student should be able to
describe the effect variations in the base electrical and semiconductor
Target Student Population: 2nd & 3rd year EE & ECE students
Prerequisite Knowledge or Skills: Understanding of basic microelectronics behavior. Some circuit analysis.

Evaluation and Observation

Content Quality

Rating: 4.7 stars
Strengths: Provides visualization, simulation, exercises, etc. The material is generally
part of the core curriculum in Electrical/Computer Engineering. The graphics are
attractive and get the user's attention.
Concerns: Some portions of the presentaion are incomplete, but the presentation is still
very usable.

Potential Effectiveness as a Teaching Tool

Rating: 4 stars
Strengths: Good supplement to text & lecture; provides opportunities for students to
explore. The material can be easily incorporated into homework assignments,
group assignments, and in a tuterial fashion.

Concerns: Students must review written material before they simply start clicking on
applet. Initial guidance must be provided by an instructor.

Ease of Use for Both Students and Faculty

Rating: 4.7 stars
Strengths: Software is robust and easy to use.
Concerns: A teacher's manual could assist instructors in choosing how to use the material

Other Issues and Comments: This applet should help students better understand the topic. It offers
opportunities for visual learners, drill and practice, explorations, and skill