Example 4.6 Consider the circuit shown in Fig. 4.17. A string of three diodes is used to provide a constant voltage of about 2.1 V. We want to calculate the percentage change in this regulated voltage...

Extracted text: Example 4.6 Consider the circuit shown in Fig. 4.17. A string of three diodes is used to provide a constant voltage of about 2.1 V. We want to calculate the percentage change in this regulated voltage caused by (a) a ±10% change in the power-supply voltage, and (b) connection of a 1-k2 load resistance. 10± 1V R = 1 kN RL = 1 kN Figure 4.17 Circuit for Example 4.6.