(a) Determine Io. (b) When Q₁ is in the forward active region, what is the possible voltage range for vo? (c) Estimate the corresponding v, at the extreme values of vo. (d) For Q₁, determine values for IEL and VCE when vo = OV.

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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Consider the class-A emitter-follower circuit shown in Figure Q3. Assume all transistors are matched
with VBE(on) = 0.7V, VCE(sat) = 0.2V, and VA = ∞o. Neglect base currents.
V+ = 5 V
ww
V10
R= 1 kQ
V = -5 V
2₁
IEL
te
ovo
R₁ = 1kQ2
(a) Determine Io.
(b) When Q₁ is in the forward active region, what is the possible voltage range for vo?
(c) Estimate the corresponding v, at the extreme values of vo.
(d) For Q₁, determine values for ig₁ and VCE when vo= 0 V.
Transcribed Image Text:Consider the class-A emitter-follower circuit shown in Figure Q3. Assume all transistors are matched with VBE(on) = 0.7V, VCE(sat) = 0.2V, and VA = ∞o. Neglect base currents. V+ = 5 V ww V10 R= 1 kQ V = -5 V 2₁ IEL te ovo R₁ = 1kQ2 (a) Determine Io. (b) When Q₁ is in the forward active region, what is the possible voltage range for vo? (c) Estimate the corresponding v, at the extreme values of vo. (d) For Q₁, determine values for ig₁ and VCE when vo= 0 V.
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