From: Moritz von Buttlar (info_at_baltic-microsolutions.de)
Date: 2001-12-20 04:13:15
>
>I think that the analog to digital conversion is based upon AC biased
>at 2.5V (i.e., 0 to 5V). Of course, you can always adjust that. Why
>not just add a battery of two, and to get stable signals and
>conversion, feed the supply through a low power (<50ma) 5V regulator
>chip to avoid power supply voltage drop that occurs when the
>batteries approach depletion. Or were you thinking of regulation at
>less than 5V?
Of course I could add two more batteries. But somehow 6 batteries are uncommon.
My NiMH charger charges only 4 batteries at a time and most battery holders
are for 4
batteries as well. That's why I was thinking about regulation at less than
5V using
a MAX604 (or was it 603?) regulator.
Moritz
---------------------------------------------------
Moritz von Buttlar
Flash uC/DSP Development http://www.baltic-microsolutions.de
Free EEG Design http://openeeg.sf.net
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