Q2\ It is required to use a diodes specified to have a 0.7 V drop at a current of 1 mA. The diodes are to be included in a voltage regulator to keep voltage level at 1.5 V to load resistancel.5 k2 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. +5 V R oVo (b)When removing the load resistance, find how will the output voltage changes with its value? DI RL D2 (c) Estimate the change due to change the load resistance with 750 Q? (Assume the diode small-signal diode modeled calculate all changes in output voltage) are to KK

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Q2\ It is required to use a diodes specified to have
a 0.7 V drop at a current of 1 mA. The diodes are
to be included in a voltage regulator to keep
voltage level at 1.5 V to load resistance1.5 k2 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.
+5 V
oVo
(b) When removing the load resistance, find
how will the output voltage changes with
its value?
DI
RL
D2
(c) Estimate the change due to change the load
resistance with 750 Q? (Assume the diode
small-signal diode modeled
calculate all changes in output voltage)
are
to
KK
Transcribed Image Text:Q2\ It is required to use a diodes specified to have a 0.7 V drop at a current of 1 mA. The diodes are to be included in a voltage regulator to keep voltage level at 1.5 V to load resistance1.5 k2 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. +5 V oVo (b) When removing the load resistance, find how will the output voltage changes with its value? DI RL D2 (c) Estimate the change due to change the load resistance with 750 Q? (Assume the diode small-signal diode modeled calculate all changes in output voltage) are to KK
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