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Experiment 5: Operational Amplifier
- Circuits on the breadboard
- Inverting operational amplifier
- Non-inverting operational amplifier
- Operational amplifier as current source
- Operational amplifier as active filter
Preparation for the laboratory
in the ILIAS course
Read the materials for Experiment 5 here.
They will be published one week before the experiment.
Preparation for the oral short exam
For this experiment, you should be able to apply and explain the following concepts:
- “golden rules” for the negative feedback, idealized operational amplifier
- inverting operational amplifier
- Gain of operational amplifier
- Sum of currents at inverting input (KCL)
- Voltage at inverting input relaltive to GND (KVL)
- non-inverting operational amplifier
- operational amplifier used as current source (principle of function)
- operational amplifier used as low-pass filter, cut-off frequency calculation (Sallen-Key configuration)