Rectifier Circuit (with diodes)

A diode is specified by using two command lines. The first line defines the diode element line and the second one is the diode model.



Element line:

    Dname N+ N- MODName

The element name start with D to indicate that the element is a diode, N+ and N- are the two node numbers and MODName is the name of the model of the diode which is specified in the model line.


Model line: .


    MODEL MODName D (IS=value N=value)

MODName is the same name as in the element line. D indidate the the model is a diode (as opposed to a transistor), and IS is the saturation current IS and N is the ideality factor.


Lets simulate the following rectifier circuit to illustrate this. The diodes have a IS=0.01pA and n=1.




    rectifier example
    vin 2 0 sin(0 170 60 0 0)
    rl 5 0 500
    rs 2 1 10
    L1 1 0 2000
    L2 3 0 20
    K1 L1 L2 0.99999
    D1 3 5 mod1
    .model mod1 D (IS=1e-14, n=1)
    .tran 0.2m 20m
    .plot tran v(3), v(5)
    .end
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