nt
ge
I really liked the 0% pot and the "virtual diode". I looked in digikey but they don't stock them. You make a nice 0.2V step controlled supply like this.
------------------ To CD4051 Vcc and X7 ! !+\\ LT1498 ! >
!-/ ! +------------------ To CD4051 X6 ! !+\\ LT1498 ! >
!-/ ! +------------------ To CD4051 X5 ......... Repeat 6 more times .....
Try it in LT Spice