Although half-wave and full-wave multiplier circuits can
provide equivalent output voltages, there are some
fundamental differences that should be considered. First, the
full-wave circuit has the advantage of higher output ripple
frequency (twice that of the half-wave circuit). In addition, the
full-wave circuit provides better voltage regulation than the
half-wave circuit, since the latter relies upon one capacitor
(C1 in figure 1A.) to provide the charging energy to a single
DC load capacitor (C2 in figure 1A.). The full-wave circuit,
however, requires that the secondary side of the transformer
be capable of withstanding high voltages (approximately
1/2 of the output voltage). For this reason, the half-wave
multiplier is usually the preferred circuit when high voltage
outputs (V0 = kV) are required.
Although half-wave and full-wave multiplier circuits can
provide equivalent output voltages, there are some
fundamental differences that should be considered. First, the
full-wave circuit has the advantage of higher output ripple
frequency (twice that of the half-wave circuit). In addition, the
full-wave circuit provides better voltage regulation than the
half-wave circuit, since the latter relies upon one capacitor
(C1 in figure 1A.) to provide the charging energy to a single
DC load capacitor (C2 in figure 1A.). The full-wave circuit,
however, requires that the secondary side of the transformer
be capable of withstanding high voltages (approximately
1/2 of the output voltage). For this reason, the half-wave
multiplier is usually the preferred circuit when high voltage
outputs (V0 = kV) are required.
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