(i) The characteristic curves of junction diode are of two types

(a) Static characteristic curves

(b) Dynamic characteristic curves

(ii) The static and the dynamic characteristics are also of two types

(A) (a)Static forward characteristics curves

(b)  Static reverse characteristic curves

(B) (a)Dynamic forward characteristic curves

(b) Dynamic reverse characteristic curves

(iii) Static forward characteristics

(a) In the absence of load resistance, the curves drawn between the forward voltage (Vf) and forward current (If) are known as the static forward characteristics of junction diode.

(b)

(c) On increasing the Vf the value of If increases exponentially.

(d) Circuit diagram:

 

(iv)  Static reverse characteristics:

(a)  In the absence of load resistance, the curves drawn between the reverse voltage (Vr) and reverse current (Ir) are known as the static reverse characteristics of junctions diode

(b)  .

(c)

(d) After the breakdown point at B, the reverse current (Ir) does not depend on the reverse voltage (Vr) in the BC portion of curve.

 

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