EB-216 Oscillators, Filters and Tuned Amplifiers

Innovative Technologies in Education (ITE)

EB-216 Oscillators, Filters and Tuned Amplifiers

The EB-216 is a single board, comprehensive instructional module designed to teach basic concepts of Oscillators, Filters, and Tuned Amplifiers. The module can be operated as a stand-alone unit or integrated to the newly developed EB-2000 Computer Managed Laboratory. The module contains experimental circuits with which the student performs a number of conceptual experiments at various levels of difficulty. Manual or computer driver fault-finding exercises and testing are available when the module is interconnected to the SB- 2000 system, providing valuable experience in the training and diagnosis of faults. Test equipment, when used, attaches to the board via 2mm jacks, placed at various points around the circuits. Students are required to do only a minimal amount of wiring so training time is maximised. A comprehensive student manual is provided with each training module. The manua1 correlates to the exercises to convey concepts relating to the technologies covered, allowing focus on specific performance objectives.

DESCRIPTION

The EB-216 module is designed so students will spend the maximum time on the experiments and practice drills for testing comprehension and troubleshooting. The module also ensures that students use their time more efficiently. The printed circuit boards are pre-wired so that set-up time is minimal. For operation the module is connected to a PUZ-2000. To facilitate the exercises, all the major signals are brought out on-board with 2mm jacks for tests and interconnections. The ICs and the transistors are mounted on sockets, enabling easy replacement. The student has only to plug-in the appropriate patching cords and shorting plugs in order to perform the recommended experiments. The boards also come equipped with "black boxes" containing components used in the fault-finding and practice modes, components that should not be visually identified by the trainee.

OBJECTIVES
Study the characteristics of a phase shift oscillator and how it is affected by modifying the feedback network.

Study the characteristics of a Wien bridge oscillator and how it is affected by modifying the feedback network.

Study the characteristics of a tuned amplifier, and how it is affected by modifying the feedback network and the input signal frequency.

Study the characteristics of a Colpitts oscillator.

Study the characteristics of a tuned-amplifier based oscillator.

Study the characteristics of a crystal oscillator.

Study the characteristics of a Colpitts oscillator with crystal.

Study the characteristics of a switched capacitor filter.

Troubleshoot a phase shift Oscillator.

Troubleshoot a Wien bridge Oscillator.

Troubleshoot a Colpitts oscillator and tuned amplifier.

Troubleshoot a switched capacitor filter.

RECOMMENDED EXPERIMENTS
Phase Shift Oscillator.

Wien Bridge Oscillator.

Tuned Amplifiers and Oscillators.

Switched Capacitor Filter.

Troubleshooting Filters and Oscillators.

REQUIRED ACCESSORIES
DL-20 Standard set of 2mm Patching Cords and Shorting Plugs

REQUIRED MEASURING EQUIPMENT
20MHZ Dual Trace Oscilloscope

Digital Multimeter 3-1/2 Digits

2.2MHZ AM/FM Function T Generator

100MHz Counter/Timer

MANUAL
Student and instructor manuals, written by pedagogues and electronics professionals, support every stage of the learning and teaching process.