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Re: Optical and other processing electronics
brandgill   7/10/2014 8:11:40 AM
The forward facing systems has good processing capacities integrated into them so even though it may incure a high cost, it may be helpful.

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Forward Camera teradown
Hendi   7/2/2014 4:38:42 PM
This is an intriguing preview of BMW rear camera teardown.  What would be more interesting would be a full teardown analysis on forward facing camera modules, especially those with stereo vision and/ or sensor fusion (radar or LIDAR combined with vision) capability.  The forward facing systems have much more processing capabilities integrated into them and therefore the silicon content will be more exciting to unveil and dissect. 

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Re: Teardown of BMW 3 series camera
znajam951   7/1/2014 7:34:33 PM
While cost is always a good topic for such articles, I am not seeing technical details and discussion how costs were driven or could be lower so the EE time's reads can learn from the article

I am unable extract if its an NTSC analog camera (VERY LIKELY) Vs digital and how one can add value in future designs both in terms of low light sensitivity, noise and transmission method e.g next gen's bird's eye view and distance processing

Building a DVR with a reversing camera only has very little value and thus 4 corner camera with image stitching and possibly de-warping necessary but lot more intelligence needed in terms of compression, access to GPS, G force sensors,  FLASH storage and retrieval

Cost is also subjective as its vol and relationship driven between vendors and not just the parts cost. Though for such a simple analog camera, I would be surprised if its BOM including testing and assembly costs> $20


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photonicsjd   7/1/2014 5:56:04 PM
Where's the mini-DVR . . . so the insurance company can see who you ran over?

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Re: Optical and other processing electronics
Joel-Teardown   7/1/2014 4:14:05 PM
@_hm we only cost the discrete device and we use a methodology of the parts at high volume. This is based on our work on electronics in the consumer space. I trust you can appreciate pricing from the outside in and the assumptions you have to make. Given we don't have an inside view of the books here has to be an assumption of a certain volume. We publish our costing methodology at Teardown.com

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Optical and other processing electronics
_hm   7/1/2014 3:41:28 PM
It is not only OmniVision sensor and two more chips. Optical lens and other remote processing, display electronics and connecting harness are also important. They all add up cost. Do you add them?

You also need to add design and development cost to it. It takes lots of effort to design, develop and test.

Final part is procurement and assembly. If you add all them together, it does not have that high margin. This is low volume device.


As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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