LAoE Figure 5S.14 TI REF200 IC built in current mirror uses both Wilson configuration and emitter resistors for stabilization

@nemethakos

9 years ago

https://everycircuit.com/circuit/6516069934301184

With the extra transistor and the emitter resistors the output impedance of the REF200 is about 100MOhm http://www.ti.com/lit/ds/symlink/ref200.pdf