replicate a weighted reference w/o need large resistors ?

taofeng

Hi,
5 E& e+ O, p. T0 m- n" e, N1 b
& J& P+ C4 [! l4 G: mAny topologies to replicate a weighted version of a reference voltage w/o need large resistors ?

thanks,
; u! s) w* x: [6 O8 C/ o
jeffrey

alab307

1. How about use SC circuit?
2 u# Q7 P' Z/ t$ ?: G2. Use MOS as resistor?