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#28
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Full wave rectifier with a smoothing capacitor
On 07/04/2021 23:46, John Rumm wrote:
On 07/04/2021 21:42, ARW wrote: Am I correct in saying that it does not matter if there is a LN reversal on the input? Correct... It will always have a correct +/- DC voltage. Yup. In fact if you are designing DC powered kit that runs from an external supply, then sticking a bridge rectifier on the input even though you are only ever expecting DC rather than AC, is a way to ensure your kit will never see the input polarity reversed if used with the wrong PSU. Same applies to data. The Army's FAM - Field Alert Monitor - starts with a bridge. Squaddy-proof ! PA |
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