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circuit_design:uebung_2.1.3 [2023/03/27 14:27] – mexleadmincircuit_design:uebung_2.1.3 [2023/12/01 01:23] (aktuell) – mexleadmin
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 <panel type="info" title="Exercise 2.1.3 Z-diode as voltage reference"> <WRAP group><WRAP column 2%>{{fa>pencil?32}}</WRAP><WRAP column 92%> <panel type="info" title="Exercise 2.1.3 Z-diode as voltage reference"> <WRAP group><WRAP column 2%>{{fa>pencil?32}}</WRAP><WRAP column 92%>
  
-{{  elektronische_schaltungstechnik:z-diode_als_spannungsreferenz.png?nolink&300|z-Diode als Spannungsreferenz}} +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>circuit_design:diagram1.svg}}+
  
-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 shall to be used:
-In the simplest case, a circuit as shown on the right can be used for this purpose. +
-The following quantities are to be used for the task:+
   * Source voltage  $U_{\rm S}=7.0 ... 13.0~\rm V$ (e.g. via sinusoidal input voltage with $f = 50 ~\rm Hz$),   * Source voltage  $U_{\rm S}=7.0 ... 13.0~\rm V$ (e.g. via sinusoidal input voltage with $f = 50 ~\rm Hz$),
   * series resistor $R_{\rm V}=1.0~\rm k\Omega $   * series resistor $R_{\rm V}=1.0~\rm k\Omega $
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   * 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>circuit_design:diagram1.svg}} 
 + 
 +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.