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TI Designs AC-Coupled RS-485

消耗积分:1 | 格式:rar | 大小:3.95 MB | 2016-11-07

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This reference design details AC-coupling of RS-485 signals. Although these signals are typically DCcoupled, using AC-coupling has several advantages.AC-coupling allows transceivers to operate with large common-mode offsets, enabling long-distance communication without routing an additional ground wire. AC-coupling also protects the transceivers against high-voltage DC faults (for example, if the differential bus is shorted to a power supply). This protection is useful in industrial applications that require data transfers across long distances with a minimum number of wires。



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