| OBJECTIVES |
- Understand the theoretical explanation of the LDR (Light Dependent
Resister), its structure and characteristics.
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- Assemble the circuits for drawing the LDR characteristics as
function of light intensity.
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- Use the oscilloscope to obtain the LDR characteristics
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- Be familiar with LDR applications.
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- Understand the theoretical explanation of the PHOTODIODE, its
structure and characteristics.
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- Assemble the circuits for drawing the PHOTODIODE characteristics as
function of light intensity.
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- Use the oscilloscope to obtain the PHOTODIODE characteristics.
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- Be familiar with the photovoltaic effect.
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- Be familiar with the PHOTODIODE’s main applications.
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- Understand the theoretical explanation of the PHOTOTRANSISTOR, the
structure and its characteristics.
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- Assemble the circuits for drawing the PHOTOTRANSISTOR
characteristics.
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- Understand the phototransistor circuits, operating as an amplifier and in
switching mode.
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- Use the oscilloscope to obtain the PHOTOTRANSISTOR characteristics.
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- Be familiar with the PHOTOTRANSISTOR applications.
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- Understand the theoretical explanation, its structure and its
characteristics.
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- Assemble the circuits for drawing the LED characteristics.
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- Use the oscilloscope to obtain the LED characteristics.
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- Be familiar with the LED’s applications.
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- Understand the theoretical description of the Incandescent Lamp.
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- Understand the description of the Incandescent Lamp according to:
Lamp construction
Bulb shape and diameter
Filament types
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- Assemble the circuit for drawing the curve of the lamp’s resistance as
function of the voltage applied to the Incandescent Lamp.
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- Measure the relative light intensity.
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- Measure the effect of the preheating current.
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- Understand and be familiar with the alphanumeric display.
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- Understand the principles of operation and basic circuits of numeric
displays on decimal and hexadecimal counters.
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- Assemble practical circuits using up/down counters and alphanumeric
display.
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- Understand the theory, structure, and operating principle of the LCD
component.
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- Understand and be familiar with LCD as:
Effect of voltage on display quality
Effect of backplane frequency on display quality
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- Test the various stages of a relatively complex circuit on the faults in
Electro-optic circuits.
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- Locate the fault within the stage of a circuit
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