Circuit Components
diode fundamentals
Zener diodes are used as:
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current regulators
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Correct Answervoltage regulators
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RF detectors
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AF detectors
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One important application for diodes is recovering information from transmitted signals. This is referred to as:
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regeneration
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ionization
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biasing
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Correct Answerdemodulation
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The primary purpose of a Zener diode is to:
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provide a voltage phase shift
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Correct Answerregulate or maintain a constant voltage
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to boost the power supply voltage
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provide a path through which current can flow
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The action of changing alternating current to direct current is called:
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amplification
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Correct Answerrectification
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transformation
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modulation
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The electrodes of a semi- conductor diode are known as:
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gate and source
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Correct Answeranode and cathode
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collector and base
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cathode and drain
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If alternating current is applied to the anode of a diode, what would you expect to see at the cathode?
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No signal
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Steady direct current
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Correct AnswerPulsating direct current
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Pulsating alternating current
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In a semi-conductor diode, electrons flow from:
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anode to cathode
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cathode to grid
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grid to anode
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Correct Answercathode to anode
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What semi-conductor device glows red, yellow, or green, depending upon its chemical composition?
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Correct AnswerA light-emitting diode
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A fluorescent bulb
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A neon bulb
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A vacuum diode
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Voltage regulation is the principal application of the:
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junction diode
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light-emitting diode
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vacuum diode
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Correct AnswerZener diode
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In order for a diode to conduct, it must be:
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close coupled
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Correct Answerforward-biased
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enhanced
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reverse-biased
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