Determine the suitable values for resistors R3 and R4 for the regulator in Figure Q4.d. The required output voltage is 7.4V, and the Zener diode voltage is 4.7V.

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Determine the suitable values for resistors R3 and R4 for the regulator in Figure
Q4.d. The required output voltage is 7.4V, and the Zener diode voltage is 4.7V. 

Vi
¨ÙˆÙ₂™
R₁ R₂
Vz
Figure Q4.d
Τ1
T2
R3
Vp
R4
V₂
Transcribed Image Text:Vi ¨ÙˆÙ₂™ R₁ R₂ Vz Figure Q4.d Τ1 T2 R3 Vp R4 V₂
Question
part
Q4.a, b
Q4.a
Q4.b
Parameter
Load current
Io [mA]
Ripple voltage as
percent of peak,
X [%]
Peak rectifier
output voltage
Vpk [V]
Value
100+10F
10+A+B
20+A+B
Table 4
Example:
Student ID=210123456:
F=6
A=1, B=2
A=1, B=2
lo 100+60 160 mA
X= 10+1+2= 12%
Vpk = 20+1+2 = 22V
Transcribed Image Text:Question part Q4.a, b Q4.a Q4.b Parameter Load current Io [mA] Ripple voltage as percent of peak, X [%] Peak rectifier output voltage Vpk [V] Value 100+10F 10+A+B 20+A+B Table 4 Example: Student ID=210123456: F=6 A=1, B=2 A=1, B=2 lo 100+60 160 mA X= 10+1+2= 12% Vpk = 20+1+2 = 22V
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