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Re: [AVR-Chat] problem in adc accuracy

Re: [AVR-Chat] problem in adc accuracy

2008-04-02 by BobGardner@aol.com

Add 16 samples and right shift total 4 bits 
=====================================
 
 
In a message dated 4/2/2008 7:36:53 A.M. Eastern Daylight Time,  
get_rak20ec@yahoo.com writes:

Hello  Frnds,
I am using stk500 board with avr studio. I have a problem that while  i am 
reading adc data register, i m not getting proper accuracy as i want. my  code 
is ok. now i want to know that if i want lsb 1 bit accuracy, then what i  have 
to do? plz reply me.


R.P.Modi


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Re: [AVR-Chat] problem in adc accuracy

2008-04-02 by Sander Pool

Shift 2 bits maybe? Unless you meant to throw away the 2 LSBs from the 
converter? Of course when averaging the readings you need to keep Mr 
Nyquist in mind and make sure you're sampling fast enough for the 
frequency domain of your signal.

    Sander

BobGardner@aol.com wrote:
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> Add 16 samples and right shift total 4 bits
> =====================================
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