QUESTION 7: A Wilson current-source circuit is shown in the following figure. Assume the reference current (IREF) is 0.23 mA and assume the transistor parameters of VBE(on) = 0.7 V, ß = 88 and V4 = 123 V. Calculate the output resistance, Ro , looking into the collector of Q3- Io (mA) RO (ΜΩ ) Format : 0.9962 Format : 46.7946 V+ Ic3 = lo IREF (+ IB3 E3 Qi IBI B2

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QUESTION 7: A Wilson current-source circuit is shown in the following figure.
Assume the reference current (IREF) is 0.23 mA and assume the transistor parameters of VBE(on) = 0.7 V, ß = 88,
and VA = 123 V.
Calculate the output resistance, Ro , looking into the collector of Q3.
Io (mA)
Ro (M2)|
Format : 0.9962
Format : 46.7946
V+
Ic3 = lo
IREF (+
Q3
IB3
'E3
|lc2
IB1
B2
Transcribed Image Text:QUESTION 7: A Wilson current-source circuit is shown in the following figure. Assume the reference current (IREF) is 0.23 mA and assume the transistor parameters of VBE(on) = 0.7 V, ß = 88, and VA = 123 V. Calculate the output resistance, Ro , looking into the collector of Q3. Io (mA) Ro (M2)| Format : 0.9962 Format : 46.7946 V+ Ic3 = lo IREF (+ Q3 IB3 'E3 |lc2 IB1 B2
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