KELVIN's(r) Troubleshooting Trainers(tm) are ideal for middle school students and up. When working within the field of electronics, students should know how to troubleshoot, evaluate, and repair electronic circuitry. The KELVIN© Troubleshooting Trainers(tm) are inexpensive and easy to set-up because they require no wiring or soldering. Using troubleshooting and problem-solving procedures, KELVIN© Troubleshooting Trainers(tm) show students how to find a problem on a PC board and then fix it. The trainers were developed to make teaching troubleshooting fast, easy, and effective - with actual electronic equipment, hardware, and pre-wired circuits. According to the experiments, the teacher inserts a problem into the circuit using DIP switches. By following the circuits and measuring the components, students then isolate the trouble and fix it using problem-solving techniques and by resetting the DIP switches. System concept and student manuals developed by Lou Frenzel. The assembled DC Troubleshooting Trainer(tm) includes: Pre-Wired Printed Circuit Boards (8-1/2"x11"); Three-Ring Storage Binder; Working Electronic Circuits with DIP Switches; Student Lab Manuals with experiments and tests; and a Teacher's Guide with detailed, documented faults. 15 Problem-Solving Labs Cover: - Series/Parallel Circuits
- Voltage Divider with Thermistor
- Voltage Divider with Pot
- Series Dropping Resistor w/ LED
- Series Traces
- Parallel Traces
- Adjustable Bridge Circuits
- Dual Voltage Source Circuits
- Resistance Circuits in IC Form
- 2-Way Switch Circuit with Bulb
- Capacitor Charging/
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Discharging - Time Constant
- DC Diode Biasing
- DC Inductor Effects
- Transistor Switch Relay with LED
- Photoresistive Input Control
- 555 IC Timer as Stable LED Flasher
"As a very dedicated and cost conscious electronics instructor, I had previously ordered a single DC trainer from KELVIN© for the purpose of analyzing and testing its classroom potential. Since then, I have ordered one for each student. This trainer has exactly what the textbooks and traditional theory labs are missing; instructor-controlled, fault inserted trainers which challenge the students to learn about procedural troubleshooting & problem- solving habits at the very beginning of their technical training."-David L. Miles, High School Electronics Teacher,Salisbury, Maryland |
