infrared remote control mouse work principle

Published:2011/7/8 22:42:00 Author:Lena | Keyword: infrared, remote control, mouse, work principle | From:SeekIC

infrared remote control mouse work principle A infrared remote control mouse consists of infrared emitter and infrared receiver two parts, the principle block diagram is shown as figure 3.A infrared emitter circuit is shown in figure 4.IC1 is a encoder integrated circuit VD5026, the matched encoder integrated circuit is VD5027 or VD5028. 1-8 pins of VD5026 are address end A0-A7, 10-13 pins are data end D0-D3(when coordinated with VD5028, they can be used as address A8-A11 ),17 pin is encode signal output end, the outputted signal by 17 pin can modulate signal which is generated by 40kHz pulse generator, the pulse generator consists of IC2A,IC2B etc.



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