Applications to change output voltage polarity (b)
Source: InternetPublisher:toothache Keywords: output voltage regulator transformer ground Updated: 2021/10/19
Sometimes for certain needs, a positive voltage regulator can be used to obtain a negative output voltage when necessary , and a negative voltage regulator can also be used to
obtain a positive output voltage. Its application circuit is shown in Figure 7-16. However, it should be noted that when using a positive voltage regulator to obtain a negative output voltage
, the secondary winding of the transformer and the voltage regulator have a common ground terminal.
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