Alternating Current Electronic Relay Circuit

Published:2011/7/20 20:35:00 Author:Sue | Keyword: Alternating Current, Electronic Relay | From:SeekIC

As seen in figure a), the collector isnegative while the emitter is positive. For PNP-type tube, power supply with such polarity is normal working voltage. As seen in figure b), the collector is positive while the emitter is negative. For NPN-type tube, power supply with such polarity is normal working voltage.



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