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Asked: 2023-07-23T10:25:09-04:00 In:

12.37 For the Darlington configuration shown in Fig. 12.17, show that for and : (a) The equivalent composite transistor has . (b) If the composite transistor is operated at a current IC, then Q2 will be operating at a collector current approximately equal to IC, and Q1 will be operating at a collector current approximately equal to IC/β2. (c) The composite transistor has a base–emitter voltage , where IS is the saturation current of each of Q1 and Q2. (d) The composite transistor has an equivalent rπ 2β1β2(VT/IC). (e) The composite transistor has an equivalent gm .

Venkyelectrical
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12.37 For the Darlington configuration shown in Fig. 12.17, show that for and :

(a) The equivalent composite transistor has .
(b) If the composite transistor is operated at a current IC, then Q2 will be operating at a collector current approximately equal to IC, and Q1 will be operating at a collector current approximately equal to IC/β2.
(c) The composite transistor has a base–emitter voltage , where IS is the saturation current of each of Q1 and Q2.
(d) The composite transistor has an equivalent rπ 2β1β2(VT/IC).
(e) The composite transistor has an equivalent gm .

12.37 For the Darlington configuration shown in Fig. 12.17, show that for and : (a) The equivalent composite transistor has . (b) If the composite transistor is operated at a current IC, then Q2 will be operating at a collector current approximately equal to IC, and Q1 will be operating at a collector current approximately equal to IC/β2. (c) The composite transistor has a base–emitter voltage , where IS is the saturation current of each of Q1 and Q2. (d) The composite transistor has an equivalent rπ 2β1β2(VT/IC). (e) The composite transistor has an equivalent gm .12.37 For the Darlington configuration shown in Fig. 12.17, show that for and : (a) The equivalent composite transistor has . (b) If the composite transistor is operated at a current IC, then Q2 will be operating at a collector current approximately equal to IC, and Q1 will be operating at a collector current approximately equal to IC/β2. (c) The composite transistor has a base–emitter voltage , where IS is the saturation current of each of Q1 and Q2. (d) The composite transistor has an equivalent rπ 2β1β2(VT/IC). (e) The composite transistor has an equivalent gm .12.37 For the Darlington configuration shown in Fig. 12.17, show that for and : (a) The equivalent composite transistor has . (b) If the composite transistor is operated at a current IC, then Q2 will be operating at a collector current approximately equal to IC, and Q1 will be operating at a collector current approximately equal to IC/β2. (c) The composite transistor has a base–emitter voltage , where IS is the saturation current of each of Q1 and Q2. (d) The composite transistor has an equivalent rπ 2β1β2(VT/IC). (e) The composite transistor has an equivalent gm .

microelectronics by sedra & smith chapter 12 questions

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