QUESTION 9: Find the change in load current with a change in collector voltage in a Widlar current source. The parameters for the Widlar current source in the following figure are R1 = 9.3 kN, Rg= 10.75 k2, and Io = 11.4 µA. Let ß = 85 and V4= 80 V. Calculate the change in Io as change in Vc2 = 1.3 V. ro2 (MQ) Format : 4.0565 Em2 (mA/V) Format : 0.7822 n2 (kN) Format : 773.9699 Ro (MQ) Format : 78.5957 dlo (HA) Format : 0.0285 Percent change in Io (%) Format : 0.8274

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Author:Robert L. Boylestad
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QUESTION 9: Find the change in load current with a change in collector voltage in a Widlar current source.
The parameters for the Widlar current source in the following figure are R1 = 9.3 kN, Rp= 10.75 kN, and Io = 11.4
µA. Let ß = 85 and V4 = 80 V.
Calculate the change in Io as change in Vc2 = 1.3 V.
Format : 4.0565
ΤΟ (ΜΩ)
Format : 0.7822
Em2 (mA/V)
Format : 773.9699
'n 2 (kN)
Ro (M2)
Format : 78.5957
Format : 0.0285
Format : 0.8274
dlo (uА)
Percent change in Io (%)
V+
|Ic2 =lo
IREF
R1
Ro
oVc2
Icıl
Q2
'VBEI
V BE2
RE
E2
Transcribed Image Text:QUESTION 9: Find the change in load current with a change in collector voltage in a Widlar current source. The parameters for the Widlar current source in the following figure are R1 = 9.3 kN, Rp= 10.75 kN, and Io = 11.4 µA. Let ß = 85 and V4 = 80 V. Calculate the change in Io as change in Vc2 = 1.3 V. Format : 4.0565 ΤΟ (ΜΩ) Format : 0.7822 Em2 (mA/V) Format : 773.9699 'n 2 (kN) Ro (M2) Format : 78.5957 Format : 0.0285 Format : 0.8274 dlo (uА) Percent change in Io (%) V+ |Ic2 =lo IREF R1 Ro oVc2 Icıl Q2 'VBEI V BE2 RE E2
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