| Power Supply
Filtering |
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| • | Diode Forward
Current |
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| – | Repetitive surge
currents |
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| – | Maximum listed on
many rectifier data sheets |
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| • | Unregulated power
supplies |
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| – | Output dc voltage
varies with input voltage |
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| • | Regulated power
supplies |
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| – | Simplest
regulator is a Zener diode |
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