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Contact Bounce


Contact Bounce, or contact chatter,contact jitter usually occurs at the contacts of mechanical relays. When the mechanical contacts are connected or disconnected, due to the elastic action of the mechanical contacts, the mechanical relays will not be turned on steadily when connected, nor will be turned off imitately when disconnected. Therefore, there is a series of jitters at the moment of connecting or disconnecting, ans this phenomenon is contact jitter.