Determine the Thévenin resistance RTH seen at A-B assuming that R1, R2, R3, VA and k is known. Problem 2
The diode has the forward voltage drop VT of 0.7 V and R1=R2.
Determine the voltage V2 when
a) V0=1 V b) V0=2 V c) V0=3 V. Problem 3
Determine the current ID in the silicon diode. VT of the diode is 0.7 V.
VB=0.5 V, R1=R2=1 k. IA=1 m
Problem 4
How much power is consumed in the light emitting diode? The diode emits red color light and has a forward voltage drop of 2 V. R1=1 k and V0=5 V. Problem 5
Assume that the ideal operational amplifier operates in its linear region. With R1 and Rf known , derive an expression for Vout as a function of Vin Problem 6
R1=1 k and Rf=3 k for the circuit in problem 5.
The supply voltage to the op-amp is V+=12 V och V-=-12 V with respect to ground.
