DW EditSeite anzeigenÄltere VersionenLinks hierherPDF exportAlles aus-/einklappenNach oben Diese Seite ist nicht editierbar. Sie können den Quelltext sehen, jedoch nicht verändern. Kontaktieren Sie den Administrator, wenn Sie glauben, dass hier ein Fehler vorliegt. ====== Experiment 5: Operational Amplifier ====== * Circuits on the breadboard * Integrator * Non-inverting Schmitt trigger * Triangle–square-wave generator * Pulse-width modulation and control of a DC motor ===== Preparation for the laboratory ===== <panel type="warning" title="in the ILIAS course"> Read the materials for Experiment 5 here. \\ They will be published one week before the experiment. </panel> ===== Preparation for the oral short exam ===== For this experiment, you should be able to apply and explain the following concepts: - "golden rules" for the negatively feedback, idealized operational amplifier - deviating properties of the real operational amplifier (e.g., output swing range, slew rate) - output-voltage waveform $U_A$ of the inverting integrator (inverting integrator) for different input voltages $U_E$, e.g. - DC voltage - square-wave voltage - arbitrary voltage waveform - integration time constant of the inverting integrator - Schmitt trigger - difference in feedback compared to the inverting integrator - idealized relationship between $U_E$ and $U_A$ - idealized line diagram: $U_E$ and $U_A$ as a function of time - switching thresholds - threshold voltage - hysteresis - real behavior: output "in saturation" - structure of the triangle–square-wave generator CKG Edit