F;x "nothing to do"

LT1635 . . . to be honest - i donno what2-2 with that stuff . . .

. . . i guess i got it better this time than previously

feel free to dump or redesign

 don't feel too 4 however ::x

? . . . R10,13,11 -- a linearization attempt for - supposing - the shunting regulator -- the built in reference can be slightly improved to have no front nor trailing peaks/ringing and to have better supply rejection (by special external network) which i banned however coz it made it's response slower (and it's not so important if stable supply is provided)

?? . . . ??? if i recall right the reference can't be immediately fed to op-amp (causes problems) -- and the op-amp itself tries to start ringing in all possible ways (nothing special -- it just has a narrow conditions for "normal" ?? opreation , baah . . .)

??? . . . i guess the trivial use of this stuff is that you set your reference to 0÷Vs and simply amplify this by op-amp to have ±9(/10)mA voltage source/-reference . . . it seems i've missed that sentence "The reference and buffer combine to achieve a drift of 30ppm/°C, a line regulation of 20ppm/V and a load regulation of 150ppm/mA." . . . ±10mA → max.±6.75mV for 9V Vs.TOT . . . ??? the simulation is typically 10÷1000x better than the actual thing ±15µV → ±15mV =sum. somewhat credible . . .

[end of that bullshit]