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23 Cards in this Set
- Front
- Back
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What are the four basic sections of a power supply?
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transformer, rectifier, filter, regulator
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What isolates the power supply from the power line?
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transformer
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What converts the ac input signal to a pulsating dc?
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rectifier
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What converts pulsating dc to a purer dc?
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filter
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What maintains the output of the power supply at a constant level?
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regulator
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How many degree of 360-degree input does each diode conduct in the rectifier section?
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180 degree
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What provides two equal voltages to the conventional full-wave rectifier?
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center-tapped transformer
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The diode conducts ONLY on the positive alternation of voltage. (True/False)
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True
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How many diode does the half-wave rectifier use?
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one
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What is current that flows in pulse in the same direction?
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pulsating dc
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What is output of the rectifier?
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ripple frequency
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Frequency of ripple frequency is same as the input frequency in half-wave rectifier. (True/False)
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True
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What is the simplest type of rectifier?
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half-wave rectifier
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What do D1 and D2 represent in a full-wave rectifier?
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two diodes
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What does W2 represents in a transformer?
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secondary winding
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Both D1 and D2 only conduct when anode is positive. (True/False)
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True
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D1 and D2 conducts at same time. (True/False)
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False
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What is the frequency of the ripple frequency at the full-frequency rectifier?
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twice the input frequency
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What can produces the same peal voltage as a half-wave rectifier and the same ripple frequency as a full-wave rectifier?
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bridge rectifier
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How many diodes does the bridge rectifier have?
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4
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What type of rectifier has the input to the circuit is applied diagonally opposite corners of the network, and the output is taken from the remaining corners?
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bridge rectifier
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What is the main disadvantage of a conventional full-wave rectifier?
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peak voltage is half that of the half-wave rectifier
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What main advantage does a bridge rectifier have over a conventional full-wave rectifier?
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the bridge rectifier can produce twice the voltage with the same size transformer
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