????2 + ????3 ????3 ????2 ????2 ????2
???????????????? ????3 ????3 + ????3 1 + ????3 1 + ????3
= → → →
???????????? 1 1 1 1
1 + ????1 ∗ ???? ∗ ???? ∗ ????1 1 + ????1 ∗ ???? ∗ ???? ∗ ????1 1 + ????????????1????1 1 + ????????1????1 ∙ ????
????2
1 + ????3
→
1 1
1 + ????????1????1 ∙ ????



---------------------------------------------------------------------------------------------------------------------------




−????2 ????2 ????2 ????2
???????????????? ????1 ????1 ????1 ????1
= →− →− →−
???????????? 1 1 1 1
1 + ????1 ∗ ???? ∗ ???? ∗ ????1 1 + ????1 ∗ ???? ∗ ???? ∗ ????1 1 + ????????????1????1 1 + ????????1????1 ∙ ????
????2
→− ????1
1 1
1 + ????????1????1 ∙ ????
 ???? ????
???????????????? 1+????2 1+????2
3 3
→ 1 → 1
???????????? ????∙????∙???? ????1∙????∙????∙????+1
1
????2 +
????∙????∙????

????
???????????????? 1+ 2
????3
=
???????????? ????1∙????∙????∙????+1




???????????????? ????????
=−
???????????? ????????
1
????2∙????∙????∙???? ????2
???????? = 1 → ???????? = ????1
????2+ ????2∙????∙????∙????+1
????∙????∙????

????2 ????2
???????????????? − ????2 ∙ ???? ∙ ???? ∙ ???? + 1 − ????1
= →
???????????? ????1 ????2 ∙ ???? ∙ ???? ∙ ???? + 1
 Niet inverterende versterker
???????? ???????????? ???????? ????????
???????????? = ???????????????? ∙ → = → ???????? = 1 +
???????? + ???????? ???????????????? ???????? + ???????? ????????




Inverterende versterker
???????????? ???????????????? ???????????? ???????????????? ???????????????? ????????
+ =0→ =− → =−
???????? ???????? ???????? ???????? ???????????? ????????




Sommator
????????????1 ????????????2 ???????????????? ????????????1 ????????????2 ????????????????
+ + =0→− + =
????1 ????2 ???????? ????1 ????2 ????????




Stroom → spanning
???????????????? = −???????????? ∙ ????????
= ???????? ∙ ????????????