Power Supplies


Posted on Feb 6, 2014

The power supply is a vital but often neglected part of any electronic product. It is the interface between the noisy, variable and ill-defined power source from the outside world and the hopefully clear-cut requirements of the internal circuitry. For the purposes of this discussion it is assumed that power is taken from the conventional ac mains


Power Supplies
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supply. Other supply options are possible, for instance a low-voltage dc bus, or the standard aircraft supply of 400Hz 48V. Batteries we shall discuss separately at the end of this chapter. rectifier and reservoir: converts the ac transformer voltage to dc, reduces the ac ripple component of the dc and determines the output hold-up time when the input is interrupted




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