Power Supplies

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This circuit module is compatible with all the D3000 Base Unit options and it introduces students to the circuits and devices used in power supplies through a wide range of practical activities.

Typical topic areas include:

• Rectification
• Stabilization and Smoothing
• Protection
• Variable Output Voltage
• Fault Diagnosis
• IC Power Supplies-1
• IC Power Supplies-2
• Switch-Mode Supply

Typical activities include:

• Compare the operation of simple half-wave and full-wave rectifier circuits.
• Determine the output resistance, ripple amplitude and percentage ripple of a power supply
• Determine by investigation the operation of a zener/transistor stabilizer circuit.
• Determine by investigation the operation of a power supply with over-current protection
• Determine by investigation the operation of a power supply with over-voltage protection
• Determine by examination the circuit operation of a variable voltage power supply.
• Diagnose faults in a variable voltage, over-current protected power supply circuit.
• Measure the percentage regulation of a dual-polarity, split power supply.
• Determine, through measurements, the efficiency and regulation of a variable supply regulator.
• Determine by investigation the operation of a switch mode power supply.
• Faultfinding power supply circuits.