Question: +5 V Q2 It is required to use a diodes specified to have a 0.9v drop at a current of 1 mA. The diodes are

$+5 V Q2\ It is required to use a diodes specified$

+5 V Q2\ It is required to use a diodes specified to have a 0.9v drop at a current of 1 mA. The diodes are to be included in a voltage regulator to keep voltage level at 1.07V to load resistance 1.9kS2 as in the circuit shown in the figure. (a) Determine the value for the resistance R and the current passes through the diodes when connecting the load resistance. R -ovo D RL D (b) When removing the load resistance, find how will the output voltage changes with its value? (c) Estimate the change due to change the load resistance with 750 2? (Assume the diode are small-signal diode modeled to calculate all changes in output voltage) = =

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