> > > You can also make a simple charge-balance PDM generator with a comparator > (with a little hysteresis) followed by an integrator (maybe just an R/C > filter) , the integrator output fed back into the '-' comparator input, > the > '+' comparator input being the analog input. If the comparator output was > sampled at say 10 KHz for some period and the times is was sampled high > counted, you would have a crude A-D... > >
A crude delta-sigmal A/D, yes. I'm not sure about the conversion speed and resolution needed here by Anders. This technique would work well if high resolution is needed at a low sampling rate. The PWM technique would be better at a higher sampling rate with a lower resolution. Javid ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
