Monthly Archives: April 2017

Nat Semi LM3485 Buck Controller

The datasheet calls this a Hysteretic PFET Buck Controller.  I had to look up “hysteretic” and even knowing it was related to hysteresis I still don’t fully grasp what it means?!  Whilst I am discussing technical english –  ‘buck’ controller means voltage … Continue reading

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Apple Webcam – part 2

6846 6257 On the back of the camera board is a small 14 pin ic labeled 6846 6257. The ICX098 datasheet indicates the CCD requires a 15V 6mA supply. So I speculate that this is a boost regulator to supply the 15V … Continue reading

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Apple Webcam

This is a VGA resolution firewire connected webcam made by Apple in 2006:   End shot showing it is genuine Apple           At the other end is an electronic iris (That can also be manually open and … Continue reading

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