Christopher Friedt wrote:
> Assuming that the source impedence of whatever signal is being measured
> is < 10 Ohms, is the transfer characteristic of the ADC linear? For some
> reason, I find it very hard to believe, because the 'steps' for a 5.15V
> POWER_IN signal are 420, while for a 12.4 V signal are in the range of
> 3200 steps.
For clarity,
The POWER_IN signal is of course going through a voltage divider network
of 150k and 10 k resistors, so it's actually scaled by 1/16 th. Thus, if
POWER_IN is within [ 4,20 ] Volts, the sampled voltage is 1 to 5/4 volts.
------------------------------------
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/ts-7000/
<*> Your email settings:
Individual Email | Traditional
<*> To change settings online go to:
http://groups.yahoo.com/group/ts-7000/join
(Yahoo! ID required)
<*> To change settings via email:
<*> To unsubscribe from this group, send an email to:
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/
|