That's not just 4016/4066 ... You can have them supply with +15/-15 rails and set Vref to 5V then can switch signal level (+10/-10) with a 5v logic signal. No need for a 7.5 supply or whatever. You only need +15/-15/5 pretty handy no ? Le 6 mai 2011 à 21:12, aankrom a écrit : > DG201