1.) Consider the following voltage regulation circuit employing three diodes in series, assuming the diodes are 10 mA diodes at 0.7V and the voltage change for a decade change of current is 0.1V, using the exponential model to find the following characteristics for the voltage regulator: (a) Nominal output voltage vo with no load; (b) Line regulation in mV/V; (c) Load regulation in mV/mA; (d) Output voltage vo when the 1k2 load resistance is connected. (e) The smallest load resistance value allowed if the output voltage is allowed to drop no more than 20% off its no-load nominal value. 10土1V R = 1 kN RL = 1 kN vo
1.) Consider the following voltage regulation circuit employing three diodes in series, assuming the diodes are 10 mA diodes at 0.7V and the voltage change for a decade change of current is 0.1V, using the exponential model to find the following characteristics for the voltage regulator: (a) Nominal output voltage vo with no load; (b) Line regulation in mV/V; (c) Load regulation in mV/mA; (d) Output voltage vo when the 1k2 load resistance is connected. (e) The smallest load resistance value allowed if the output voltage is allowed to drop no more than 20% off its no-load nominal value. 10土1V R = 1 kN RL = 1 kN vo
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Transcribed Image Text:1.) Consider the following voltage regulation circuit employing three diodes in series, assuming the
diodes are 10 mA diodes at 0.7V and the voltage change for a decade change of current is 0.1V,
using the exponential model to find the following characteristics for the voltage regulator:
(a) Nominal output voltage vo with no load;
(b) Line regulation in mV/V;
(c) Load regulation in mV/mA;
(d) Output voltage vo when the 1k2 load resistance is connected.
(e) The smallest load resistance value allowed if the output voltage is allowed to drop no more
than 20% off its no-load nominal value.
10土1V
R = 1 kN
RL = 1 kN
vo
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