Diode Load Circuit

Graphical solution for the currents and voltages in a circuit with a diode. For a zener diode regulator which i assume is the circuit context here zero load means open circuit.

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Ee40 lec 18ee40 lec 18 diode circuitsdiode circuits reading chap 10 of hamblereading.

Diode load circuit. Diodes circuits load line analysis analysis of diode circuits by assumed statesassumed states diode logic circuits wave shaping circuits rectifying circuitsrectifying circuits ee40 fall 2009 prof. In graphical analysis of nonlinear electronic circuits a load line is a line drawn on the characteristic curve a graph of the current vs. A zener diode is an electronic component utilised in dc voltage regulator circuits.

The design of the circuit is such that the pre set value of the circuit is the rating of the zener diode. So a zero load receives zero power while a full load receives full power whatever that is in a particular context. When v st varies symmetrically around zero as with.

Since either an open circuit or short circuit receives zero power neither of these is a full load. Here the load line varies with time. In this circuit diagram the unregulated input voltage is v s and the regulated output voltage across the load is v l which is the same as that across the diode.

Diodes conduct current in one direction but not the other. The slope is constant at didv 1r s r l while the intercept shifts as shown below. It represents the constraint put on the voltage and current in the nonlinear device by the external circuit.

The points where the characteristic curve a. We solve a diode circuit graphically by plotting a diode i v curve and resistor to find the intersection. The load line usually a straight line represents the response of the linear part of the circuit connected to the nonlinear device in question.

10 of hambley. The voltage in a nonlinear device like a diode or transistor. A series resistor r is typically required to produce a voltage drop v z across the load.

The threshold voltage above which the circuit disconnects the supply to the load side is called the circuits pre set voltage value. What happens when the source voltage changes with time ie v s v st. Written by willy mcallister.

So the threshold value over which the circuit does not conduct is approximately 51v.

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