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| lab_electrical_engineering:triangle-to-rectangular_conversion_schmitt_trigger [2026/06/17 12:48] – mexleadmin | lab_electrical_engineering:triangle-to-rectangular_conversion_schmitt_trigger [2026/06/17 15:01] (current) – mexleadmin | ||
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| threshold at the input is reached. It only switches to $\mathrm{-}U_\mathrm{sat}$, | threshold at the input is reached. It only switches to $\mathrm{-}U_\mathrm{sat}$, | ||
| negative switching threshold at the input is reached. | negative switching threshold at the input is reached. | ||
| + | \\ | ||
| ~~PAGEBREAK~~ | ~~PAGEBREAK~~ | ||
| ====Experimental Tasks==== | ====Experimental Tasks==== | ||
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| ~~CLEARFIX~~ | ~~CLEARFIX~~ | ||
| - | - Calculate the switching thresholds using the given values. \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ | + | - Calculate the switching thresholds using the given values. |
| - | - Roughly sketch the voltage curves that you expect at the SQ output when you apply a triangular signal to Ue whose amplitude just reaches the switching points. \\ \\ **Output SQ**\\ \\ <wrap left> | + | - Roughly sketch the voltage curves that you expect at the SQ output when you apply a triangular signal to Ue whose amplitude just reaches the switching points. \\ \\ **Output SQ**\\ \\ <wrap left> |
| - Set up the Schmitt Trigger on the MEXLE-Board. Perform the following measurements on the Schmitt Trigger: | - Set up the Schmitt Trigger on the MEXLE-Board. Perform the following measurements on the Schmitt Trigger: | ||
| * Connect channel 1 on the oscilloscope to 𝑈𝑒 and channel 2 to SQ. | * Connect channel 1 on the oscilloscope to 𝑈𝑒 and channel 2 to SQ. | ||
| * Connect the function generator to the Ue input. Set it to triangle with a frequency of 1kHz and a voltage of 3 V (amplitude). | * Connect the function generator to the Ue input. Set it to triangle with a frequency of 1kHz and a voltage of 3 V (amplitude). | ||
| - | * Sketch the oscilloscope screen image. \\ \\ **Ue = 3 V (amplitude), | + | * Sketch the oscilloscope screen image. |
| - | - Sketch the oscilloscope screen image you would expect for 1 V (amplitude). \\ \\ **Ue = 1 V (amplitude), | + | ~~CLEARFIX~~ |
| - | - Compare your measurements with the calculation from sub-task 1 and the forecast | + | \\ < |
| + | \\ \\ <wrap left> | ||
| + | - Sketch the oscilloscope screen image you would expect for 1 V (amplitude). \\ \\ **Ue = 1 V (amplitude), | ||
| + | - Compare your measurements with the calculation from sub-task 1 and the forecast | ||
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| ====Test Questions - Schmitt Trigger==== | ====Test Questions - Schmitt Trigger==== | ||
| </ | </ | ||
| + | ~~PAGEBREAK~~ | ||