Nonideal diodes are 1mA diodes Vd 07V for ld1ma with a slope
     Nonideal diodes are 1mA diodes (Vd= 0.7V for ld=1ma) with a slope of 60mV/decade of current,  Non ideal op-amps have GB=1MHz and A_oidc=100,000V/V, R_i = 100kohm, R_0 = 50Ohm,  Zener diodes with Vzk=5.2V, lzk=1mA, r_z = 100,  NMOS and PMOS transistors have following parameters gain factor beta = k_nW/L=2mA/V^2, Threshold voltage V_t = 1V, lambda = 0.0V^-1  Bipolar transistors have a common emitter gain current beta = 100, alpha = 0.99 and Early Voltage V_A = 100VB  The MOS transistor in saturation performs as a  VCVS  resistor  rectifier  VCCS  regulator  None of the previous  
  
  Solution
Voltage control current source option D

