Description

The EB-111 is a single board, comprehensive instructional module designed to teach basic concepts of Semiconductor Fundamentals to technology students.

The module can be operated as a stand-alone unit or integrated to the EB-2000 Computer Managed Laboratory.

Objectives

• Measure the diode voltage and current when the diode is forward biased

• Measure the diode voltage and current when the diode is reverse biased

• Plot the characteristic curve of a diode

• Determine the dynamic resistance of a diode

• Determine the model of a diode that is reverse biased

• Use an oscilloscope to display the input and output waveforms of a rectifier

• Determine if the diode is acting like an ideal diode

• Display the voltage transfer curve on the oscilloscope

• Plot the characteristic curve of a zener diode

• Determine the zener breakdown voltage from measured values used to plot the characteristic curve

• Test a zener diode regulator circuit

• Determine the voltage regulation from measured values

• Plot the input characteristic curves of a transistor from measured values

• Determine the value of current gain (B) from measured values

• Test a common emitter circuit to determine if it is a constant current source

• Plot the family of output characteristic curves from measured values

• Identify the active saturation and cut-off regions on the family of the characteristic curve

• Determine the current gain from the output family of curves

• Determine the base current from voltage measurements across a known value resistor

• Determine the voltage gain of a transistor amplifier from measured values

• Determine the current gain of a transistor amplifier from measured values

• Determine the power gain from the voltage and current gain

• Determine the reason that the output voltage waveform is distorted

• Determine the frequency response of a transistor amplifier from measured values

• Measure the rise time of a transistor amplifier

• Test an inverting amplifier

• Determine the voltage gain of the emitter-follower circuit

• Test the emitter follower in a voltage regulator circuit

• Determine the regulation of the emitter-follower in a regulator circuit Obtain the input and output wave-forms of a push-pull amplifier

• Identify the test points in the complete circuit

• Measure key voltages in the circuit

• Use signal tracing to isolate defective stages for blocks

• Locate faulty components within a stage

Recommended Experiments

1. Junction Diode Characteristics.

2. Diode as a Rectifier.

3. Zener Diode Regulator.

4. Bipolar Transistor Characteristics.

5. Basic Transistor Amplifier I.

6. Basic Transistor Amplifier II.

7. Emitter Follower and Push-Pull Amplifier

8. Troubleshooting Semiconductor Circuits.