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ADC reading problem on PIC18F452
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Ttelmah
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PostPosted: Fri May 09, 2008 2:52 pm     Reply with quote
I'd be looking very carefully at how stable, and well decoupled the supply rail is. All the calculations you have done, are based on the chip having _exactly_ 5v at the supply pin....

Best Wishes
Sunny
Guest
PostPosted: Mon May 12, 2008 12:45 pm     Reply with quote
Ttelmah wrote:
I'd be looking very carefully at how stable, and well decoupled the supply rail is. All the calculations you have done, are based on the chip having _exactly_ 5v at the supply pin....

Best Wishes


Yes that's a good hint. I checked the VCC and now the problem is solved!
Thank you very much!
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