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ENG 301 Electronics II Homework 2 1 Refer to Figure 1 Asame 50and Varfon)-7 V for all BITs in the circuit. Foe R, 12 k and Re
3. Refer to differential amplifier circuit in Figure below. V +5 V and V-5 V. Assume Ve(on)= 0.7 V, V oo, and B o for all tra
ENG 301 Electronics II Homework 2 1 Refer to Figure 1 Asame 50and Varfon)-7 V for all BITs in the circuit. Foe R, 12 k and Re 10 k. find the áfferential voltape gain A) of the difficrential amplifier taken as one sided eutput at r Figure 2 Voe+12 v Rc 10in SR 315 口 SR 67.3 kh R Ca R, R R R 250a 32 k Figure The circuit shown in Figure has transistor parameters 120 and (a) Determine the small signal parameters, andr for both transistors. (b) Determine the overall small-signal voltage gain
3. Refer to differential amplifier circuit in Figure below. V +5 V and V-5 V. Assume Ve(on)= 0.7 V, V oo, and B o for all transistors in the circuit. For R 2 k and vB1 = vB2 0.5 V, Determine the value of Ici and I and I and I and o such that VCE 2.5 V and Ve 2.3 V. v RC RC C2 VE BE2 VBE iE2 ww ww
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oo t o - VA Vt 5V VBG Vcei = a. S V Re o.5 v VBI 2.3 V Vce1 VBc VBCI t VBE Q.S V - 0.F V - 1.& VVBC Vt -VBe 1. 6 mA P .6 mA 3. mA Te TE2(1.6 16mA 88

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