1) Two identical diodes are connected in series with 100 ohms and a 2 V battery such that each diode is forward biased. Let Io = 10fA; n = 1, T = 25 degrees C. Calculate the loop current if (a) ideal diodes are assumed; (b) VD = 0.6 V for each diode; (c) each diode is represented by a piecewise-linear model that is exact at ID = 1mA and 10 mA; (d) each diode is modeled by the nonlinear diode equation.

2) A diode operation at T = 300K has 0.4 V across it when the current through it is 10mA, and 0.42V when the current is twice as large. What values of Io and n allow this diode to be modeled by the diode equation?

A 5.1K resistor is connected between the cathode of a 6.2V zener diode and a 12V power supply. The anode of the diode is connected to 6V. Approximately how much current will flow through the diode?

A schottky diode and a pn junction diode have cross sectional areas a=10^-4. The reverse saturation current density of the pn junction diode is 3x10^-8 A/cm^2. The reverse saturation current density of the pn junction diode is 3x10^-12A/cm^2. Determine the forward bias voltage in each diode required to yeild diode currents o

Preamble
It can be shown that the reverse saturation current in a diode is given by the equation:
Is= BT^(2/3) exp (-Eg/NkT)
where B is a constant that involves the physical properties, doping and geometry of the junction
T is the absolute temperature
Eg is the energy gap of the semiconductor in joules
k is the Bolt

Consider an ideal pn junction diode at T=300K operating in the forwared bias region. Calculate the change in diode voltage that will cause a factor of 10 increase in current.

Show all logic/work/sources leading up to the conclusions drawn for each problem.
1. One simplified model of a forward conducting Silicon diode's behaviour is to consider the diode to be equivalent to a series combination of a low resistance, a 0.7V fixed voltage source, and an ideal diode. Explain how this model is a reaso

In the diode shown, the diodes are ideal except that each is modeled by a voltage source of 0.5V in series with a (diode) resistance of rd = 20, when forward biased. A sinusoidal signal Vs with input impedance Rs=100 is connected to the diode circuit. Determine the maximum value of Vs such that Vo remains sinusoidal, with no dis

Q- The current I as a function of voltage V for a certain diode is given by
I(V)=I_0 (e^(eV/kT) - 1)
Here k is Boltzmann's constant, e is the charge on an electron (magnitude), and T is the absolute temperature. Let at room temperature (t = 20 degree C), I_0 = 1.5 × 10^(-9)A.
(A) What is the resistance of the diode for

For the circuit in Fig. P3.105, each utilizing an ideal diode(or diodes), sketch the output for the input shown. Label the most positive and most negative output levels. Assume CR.>>T.
Please see the attached document.