1. Lab #4

2. © Robert York Back to TOC 2 DIP Packages 3 2 1 4 6 7 8 5 Dimple often used to identify pin 1 Notch always centered between first and last pins Numbering is always counter- clockwise 8-pin DIP

3. © Robert York Back to TOC 3 741 Op-Amp + - 3 2 1 4 6 7 8 5 V+ V- out NC Offset Null Inverting Input Non-Inverting Input

4. © Robert York Back to TOC 4 Op-Amp (LM741) Biasing 741 +Vs+Vs -Vs-Vs + - +V s -V s 0.1μF 2 3 4 7 6

5. © Robert York Back to TOC 5 Unity-Gain Buffer V out V in + - VgVg 4.7 kΩ 10 kΩ LM741 2 3 6 Voltage Divider + - V out VgVg 741 2 3 6 Func. Gen. O-Scope 10% 90%

6. © Robert York Back to TOC 6 Basic Amps + - V out V in R2R2 R1R1 10 kΩ VgVg 1 kΩ LM741 VgVg + - V out 10 kΩLM741 1 kΩ 4.7 kΩ V dc + - V out V in R2R2 R1R1 10 kΩLM741 1 kΩ

7. © Robert York Back to TOC 7 Comparator +5V -5V + - V out 10 kΩ LM741 V ref VgVg