| 摘要 |
An IP processing technology, and more particularly to a human infrared recipient processor, which comprising: an amplifying circuit, a switch control circuit for output of switching signals, a PIR for obtaining human IR signals, a PHOT for obtaining brightness signals, a main controller IC1 used for A/D conversion and digital filtering of human IR signals and logical control/output of high-/low-level signals by the brightness and switching signals, as well as an external output circuit for controlling the working states depending on high-/low-level signals; said main controller IC1 is a SD7823; the human infrared recipient processor of the present invention features simple construction, higher SNR, stability and sensitivity as well as stronger logical functions. |
