3. Operational Amplifier (op-amp) Positive power supply (+12V) Negative power supply (-12V) Inverting input Non-inverting input Non-inverting input (V+) Inverting input (V-) Negative power supply (-12V) + - 741 4 1 2 3 5 6 7 8 Output Output (V o ) Positive power supply (+12V) Electrical Schematic Symbol Integrated Circuit 8 Pin DIP (Dual In-line Package)

4. Single Input, Inverting amp + - R1R1 R2R2 EoEo - + - + EiEi E* - + i-i- +12V -12V i2i2 i1i1 R3R3

5. Single Input, Inverting amp + - R1R1 R2R2 EoEo - + - + EiEi +12V -12V R3R3

6. Multiple input, summing amplifier R2R2 - - + + R1R1 + - - + R3R3 EoEo E1E1 E2E2 R4R4 +12V -12V

7. Single input, non-inverting amplifier R1R1 + - - + R2R2 EoEo EiEi - + +12V -12V R3R3

8. Dual input, difference amplifier - + + R2R2 - - + - + EoEo E2E2 E1E1 R1R1 R2R2 R1R1 +12V -12V

9. “Buffered” Potentiometer via Voltage Divider +12V - + - + - + -12V EOEO EiEi +12V -12V

10. Integrating amp + - R EoEo - + - + EiEi C +12V -12V

11. Comparator - - + + + - - + EoEo E ref EiEi +12V -12V

12. Instrumentation Amp - + + - - + - + RGRG - R3R3 R2R2 R1R1 R3R3 R2R2 R1R1 EOEO - + EiEi

13. - + E in 741 - + +12V -12V 2 3 6 7 4 4.237 COM V  Hz COM -12V +12V DMM Function Generator - + E out

14. - + E in 741 - + +12V -12V 2 3 6 7 4 741 - + +12V -12V 2 3 6 7 4 741 - + +12V -12V 2 3 6 7 4 741 - + +12V -12V 2 3 6 7 4