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Capacitive touch sensing design-a nghawng thei thilte

Jul 31, 2019 Message pakhat dah la .


Capacitive touch sensing technology hman a nih hian real-time application hrang hrang tan harsatna hrang hrang a thlen a ni. A hnuaia design ngaihtuah hian parasitic capacitance tihtlem leh finger capacitance tihpun a pui thei a, a tawpah chuan sensor design tha zawk a siam thei a ni.


Sensor Pad Size: Capacitive sensor design-naah hian sensor pad shape hi a pawimawh lo. Ngaihtuahna ber chu sensitivity tichiangtu pad area a ni. Pad area a lian chuan sensitivity a sang zawk. A tlangpuiin, he hmun hi a hmangtu kut zungtang (15x15mm) zatve (average size) anga ngaih tur a ni. Sensor pad size chu ideal value aia lian a nih chuan parasitic capacitance chu ground hnaih zawk a nih avangin a pung ang.


Sensor inkar interval: Sensor hnaih leh hnaih loh ngaihtuah tur a ni. Sensor pakhat khawih a nih chuan kut zungtang hian tuna sensor awm mek tan chauh ni lovin a bula sensor tan pawh capacitance a siam belh a ni. Chuvangin, finger capacitance isolate tur chuan sensor inhnaih tak tak inkar ah hian hmun engemaw zat a awm tur a ni. A tha ber chu sensor spacing hi capacitive touch sensing system thickness aiin a let 2 atanga 3 vel a ni tur a ni. Entirnan, typical capacitive touch-sensing design atan chuan cover material thickness chu 3mm a nih chuan sensor inkar hlat zawng chu 6mm atanga 9mm a ni tur a ni.