
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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6.9 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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6.16 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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6.11 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...
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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...