Mumbai University > EXTC > Sem 3 > Analog Electronics 1

Marks: 5 M

Year: Dec 2013

Fig1 Circuit diagram

• Consider the above circuit,

  Input voltage is $v_D(t)= V_D+v_d(t)$

• DC analysis:

  The purpose of DC analysis is to find the operating point of diode.

  To do DC analysis, turn off the small AC signal

  The voltage $v_D(t)=V_D$

  And the current $i_D(t)=I_D=I_Sexp(\frac{V_D}{_ηv_T })$

Fig2 characteristics of diode

• When …