power supply Flashcards
1
Q
what is a power supply
A
it is a circuit that provides a stable voltage or current
2
Q
step down transformer
A
converts high ac voltage to low ac voltage
3
Q
rectifier
A
converts ac voltage into unsmoothed (pulsating) dc
4
Q
reservoir/filter
A
to remove ripples(ac) from rectifier output
5
Q
voltage regulator
A
provides regulated dc voltage even when there is variation in line voltage or load current
6
Q
types of rectifiers
A
1.half wave rectifier
2.full wave rectifier
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