8. (a) (b) What is the range of voltage gain adjustment in the circuit of Figure Q8 (a)? Vonn www 10 ΚΩ 10 ΚΩ Figure Q8 a) Calculate the output voltage for the circuit shown in Figure Q8 (t R, = 40kΩ V₁50 m VO- V₂=90mVO- V₂ 160 mVO- 200 ΚΩ www R, = 10kΩ ww R, = 20 kΩ R, = 40kΩ Figure Q8 (b) + -OV

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