3423

 
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oli
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PostPosted: Mon Jan 02, 2006 6:46 am    Post subject: 3423 Reply with quote
Hello,

Please confirm if the 3423 supplied in the auto kit can reliably
capture in real time, a complete CAN 2.0B message frame
at 1Mbit/s first time or will multible samples be required.

Sampling both CAN_H and CAN_L lines at the same time.

Then can we successfully zoom in and check bit timing without
losing integrity.


Regards,

Oli
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Autonerdz
Zen Master
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Joined: 20 Nov 2002
Posts: 213
Location: Washington State USA
PostPosted: Mon Jan 02, 2006 4:11 pm    Post subject: CAN Reply with quote
Oli,

I don't think that would be a problem. Of course it depends on how much time you put on the screen. Running two channels with 200ms on the screen, (20ms/div) your true sample rate will be 1.25 MHz and the samples will be 800 nanoseconds apart.

For other time bases you can calculate the sample rate using this calculator:

http://www.autonerdz.com/java/SampleRateCalculator.html

For two channel use, put in 256,000 for buffer and 10MHz for max sample rate.
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