Unterschiede
Hier werden die Unterschiede zwischen zwei Versionen angezeigt.
Beide Seiten der vorigen Revision Vorhergehende Überarbeitung | |||
circuit_design:uebung_2.1.3 [2023/03/27 14:27] – mexleadmin | circuit_design:uebung_2.1.3 [2023/12/01 01:23] (aktuell) – mexleadmin | ||
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<panel type=" | <panel type=" | ||
- | {{ elektronische_schaltungstechnik: | + | The following circuit depicts a simple voltage reference circuit. There, a Z-diode provides a constant output voltage $U_\rm L$ on the load - despite a fluctuating input voltage $U_\rm S$ from the source. \\ |
- | {{drawio> | + | |
- | In a voltage reference circuit, a Z-diode enables - despite a fluctuating input voltage - an output voltage to be kept relatively constant. \\ | + | The following quantities |
- | In the simplest case, a circuit as shown on the right can be used for this purpose. | + | |
- | The following quantities | + | |
* Source voltage | * Source voltage | ||
* series resistor $R_{\rm V}=1.0~\rm k\Omega $ | * series resistor $R_{\rm V}=1.0~\rm k\Omega $ | ||
Zeile 12: | Zeile 9: | ||
* Z-diode $D_\rm Z$ as $\rm BZX84C6V2$ ($U_\rm Z = 6.2 ~\rm V$) | * Z-diode $D_\rm Z$ as $\rm BZX84C6V2$ ($U_\rm Z = 6.2 ~\rm V$) | ||
- | An ideal (Z) diode would be assumed to hold the breakdown voltage $U_\rm Z$ at all reverse currents $I_\rm S$. \\ | + | {{drawio> |
+ | |||
+ | An ideal Z-diode would be assumed to hold the breakdown voltage $U_\rm Z$ at all reverse currents $I_\rm S$. \\ | ||
This is to be checked for the real diode. | This is to be checked for the real diode. | ||