In the circuit, diode D1 has n = 1.4 and has an operating point I D = 1mA at V D = 0.7 V and is at room temperature. Diode D2 has an area that is 20 times larger than D1 but is otherwise the same. a) What is the current through diode D1? b) What is the value of the saturation current, Is for diode D2? c) What is the voltage Vx ? d) Determine the value of R to make Vo = -0.2V

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In the circuit, diode D1 has n = 1.4 and has an operating point I D = 1mA at V D =
0.7 V and is at room temperature. Diode D2 has an area that is 20 times larger than D1 but is
otherwise the same.

a) What is the current through diode D1?
b) What is the value of the saturation current, Is for diode D2?
c) What is the voltage Vx ?

d) Determine the value of R to make Vo = -0.2V

101
Voo
D1
12 mA
Vx
D2
5 mA
int
00
Voz
R
V₂
Transcribed Image Text:101 Voo D1 12 mA Vx D2 5 mA int 00 Voz R V₂
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