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6.8 (a) Find the operating point of the...
For good rating provide correct and full solution 6.9 Let the diode-connected FET of Fig. P6.9 have V, 0.5 V, φ,-0.6...
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6.9 Let the diode-connected FET of Fig. P6.9 have V, 0.5 V, φ,-0.6 V, and m 0.5. (a) Given that with ID- 0.28 mA it gives VDs 1.5 V, and with Ip-1.20 mA it gives V)s - 2.5 V, what are the values of k and λ? (b) Given that at (Ip Vp(0.28 mA, 1.5 V) the FET has C(2/3)WLC+ W,o+ (3023) fF and C5, sketch and label its small-signal model. Hence,...
For good rating provide correct and full solution 6.15 (a) 5 (a) Show that as long as C < Cp, the small- signal...
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6.15 (a) 5 (a) Show that as long as C < Cp, the small- signal impedance Z, seen looking into the drain of the FET of Fig. P6.15 can be modeled with the network shown at the right. What are the expressions for R. C,. and C,? Hint: apply the test method to the high- requency equivalent of the circuit at the left. and exploit the condition C< C, to simplify your...
For good rating provide correct and full solution 6.11 The CE amplifier of Fig. P6.11 utilizes the feedback-bias sch...
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6.11 The CE amplifier of Fig. P6.11 utilizes the feedback-bias scheme. Assume the BJT is biased at le--l mA, and has β,-150, V, 75 V, r,-300Q, f 500 MHz, and C-0.3 pF. Estimate a andf- if R.e -1.0 k2. Rc- 10 kf2, and R, 100 kS2. Hint: beware that both C^ and Rg are subject to the Miller effect. sig FIGURE P6.11
6.11 The CE amplifier of Fig. P6.11 utilizes the feedback-bias...
For good rating provide correct and full solution 6.16 Shown in Fig. P6.16 is the ac equivalent of a bipo- lar diff...
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6.16 Shown in Fig. P6.16 is the ac equivalent of a bipo- lar differential amplifier driving a load consisting of R, and G. Let the BIT's have g""-1/(50 Ω). As 250, o 120 kQ, r,-250 Ω'f_ 400 MHz, C0.45 pF and CI pE. Moreover, let R,- 2.0 kQ. Rc10 kL. Ri-50 k2, and C-4.5 pF. Rc Rc RL CL 02 01 CEE REE FIGURE P6.16 (a) Use the half-circuit technique to find...
For good rating provide correct and full solution 6.19 (a) Assuming C4 0, show that the voltage gain of the emitter follower of Fig. 6.30a has the pole-zero frequency pair (R, + R2)r,C pa za Rs...
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6.19 (a) Assuming C4 0, show that the voltage gain of the emitter follower of Fig. 6.30a has the pole-zero frequency pair (R, + R2)r,C pa za Rs.g + T, and R2 - Rllr. where R, sig (b) Show that the impedance Z, has the pole-zero frequency pair PI (c) Show that the impedance Z, has the zero-pole frequency pair co(R,//r,)C7 (B+R,+ r How do the above expressions simplify if P, is...
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6.9 Let the diode-connected FET of Fig. P6.9 have V, 0.5 V, φ,-0.6 V, and m 0.5. (a) Given that with ID- 0.28 mA it gives VDs 1.5 V, and with Ip-1.20 mA it gives V)s - 2.5 V, what are the values of k and λ? (b) Given that at (Ip Vp(0.28 mA, 1.5 V) the FET has C(2/3)WLC+ W,o+ (3023) fF and C5, sketch and label its small-signal model. Hence,...
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6.15 (a) 5 (a) Show that as long as C < Cp, the small- signal impedance Z, seen looking into the drain of the FET of Fig. P6.15 can be modeled with the network shown at the right. What are the expressions for R. C,. and C,? Hint: apply the test method to the high- requency equivalent of the circuit at the left. and exploit the condition C< C, to simplify your...
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6.11 The CE amplifier of Fig. P6.11 utilizes the feedback-bias scheme. Assume the BJT is biased at le--l mA, and has β,-150, V, 75 V, r,-300Q, f 500 MHz, and C-0.3 pF. Estimate a andf- if R.e -1.0 k2. Rc- 10 kf2, and R, 100 kS2. Hint: beware that both C^ and Rg are subject to the Miller effect. sig FIGURE P6.11
6.11 The CE amplifier of Fig. P6.11 utilizes the feedback-bias...
For
good rating provide correct and full solution
6.16 Shown in Fig. P6.16 is the ac equivalent of a bipo- lar differential amplifier driving a load consisting of R, and G. Let the BIT's have g""-1/(50 Ω). As 250, o 120 kQ, r,-250 Ω'f_ 400 MHz, C0.45 pF and CI pE. Moreover, let R,- 2.0 kQ. Rc10 kL. Ri-50 k2, and C-4.5 pF. Rc Rc RL CL 02 01 CEE REE FIGURE P6.16 (a) Use the half-circuit technique to find...
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6.19 (a) Assuming C4 0, show that the voltage gain of the emitter follower of Fig. 6.30a has the pole-zero frequency pair (R, + R2)r,C pa za Rs.g + T, and R2 - Rllr. where R, sig (b) Show that the impedance Z, has the pole-zero frequency pair PI (c) Show that the impedance Z, has the zero-pole frequency pair co(R,//r,)C7 (B+R,+ r How do the above expressions simplify if P, is...
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