Hi The ADC and the active filter next to it are present on my Ref 0 and Ref 1. I suspect that the active filter is there to allow them to dither the DAC without creating monster spurs.
Bob > On Nov 5, 2014, at 6:29 PM, Arthur Dent <[email protected]> wrote: > > Could someone who has both the REF 0 and REF 1 units check > to see if the REF 0 unit has U1 missing. U1 is an AD7849 > serial input, 14-Bit/16-Bit DAC on my REF 1 units but is > missing on an old REF 0 I just dug out of the to-do pile. > Someone may have already mentioned this and I missed it. > > -Arthur > > http://www.analog.com/en/digital-to-analog-converters/da-converters/ad7849/products/product.html > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
