Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision | |||
| lab_electrical_engineering:combination_of_integrator_and_schmitt_trigger_oscillator [2026/06/17 13:34] – [Background Information] mexleadmin | lab_electrical_engineering:combination_of_integrator_and_schmitt_trigger_oscillator [2026/06/17 13:35] (current) – mexleadmin | ||
|---|---|---|---|
| Line 39: | Line 39: | ||
| - Build the circuit on the MEXLE-board. R1 is a 200 kΩ potentiometer. Set it to a value of 200 kΩ. Perform the following measurements: | - Build the circuit on the MEXLE-board. R1 is a 200 kΩ potentiometer. Set it to a value of 200 kΩ. Perform the following measurements: | ||
| * Connect channel 1 of the oscilloscope to TR and channel 2 to SQ. Switch on the power supply. | * Connect channel 1 of the oscilloscope to TR and channel 2 to SQ. Switch on the power supply. | ||
| - | * Now try to generate a minimum and maximum frequency with your circuit by turning the potentiometer R1 to the left and right stops. Perform this experiment with two capacitance values: $C1=10~nF$ and $C1=1~nF$. Enter the measured frequency values in the following table.\\ \\ {{drawio> | + | * Now try to generate a minimum and maximum frequency with your circuit by turning the potentiometer R1 to the left and right stops. Perform this experiment with two capacitance values: $C1=10~nF$ and $C1=1~nF$. Enter the measured frequency values in the following table.\\ \\ {{drawio> |
| - Sketch the oscilloscope screen image at minimum and maximum frequency for the following capacitance values:\\ \\ $C1=10~nF$ and $C1=1~nF$.\\ \\ Label the lines with TR and SQ, respectively. Specify the oscilloscope settings you used. | - Sketch the oscilloscope screen image at minimum and maximum frequency for the following capacitance values:\\ \\ $C1=10~nF$ and $C1=1~nF$.\\ \\ Label the lines with TR and SQ, respectively. Specify the oscilloscope settings you used. | ||
| \\ | \\ | ||