Description

The EB-112 is a single board, comprehensive instructional module designed to teach advanced concepts of Semiconductor Fundamentals to technology students.

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

Objectives

• Plot the drain characteristic curves from measured values

• Plot the transfer characteristic curve from measured values

• Determine the channel resistance (RDS) from measured values

• Connect the FET in an attenuator circuit.

• Determine the transconductance of the FET from measured values

• Measure the DC values in the FET amplifier circuit

• Determine the frequency response from measured values

• Determine how changes in the load resistor change the voltage gain

• Plot the drain characteristic curves of the VMOS FET from measured values

• Connect the VMOS FET as a digital switch then determine the switching characteristics

• Connect the VMOS FET as an analog switch then determine the switching characteristics

• Determine the characteristics of a thyristor (SCR)

• Connect the thyristor to obtain forward conduction

• Determine the holding current

• Determine the triggering voltage and current.

• Measure the firing angle in a phase control circuit

• Measure the output voltage of a variable power supply that uses the phase control of a thyristor

• Use the oscilloscope to determine the firing angle of the triac when it is connected in the phase shift triggering circuit

• Measure the voltages in the triac circuit.

• Sketch the waveforms in the triac circuit

• Determine the voltages and waveform of an operating circuit

• Test the various stages in a circuit and locate the faulty stage

• Locate the fault within the stage of a circuit