HW_09_06

HW_09_06 - 13.17 NPN Common-Emitter Amplifier +12 V VEQ =...

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13.17 NPN Common-Emitter Amplifier V EQ = - 12 V + 24 V 5 k 5 k Ω + 10 k = - 4 V R EQ = R 1 R 2 = 5 k 10 k Ω = 3.33 k - 4 = 3300 I B + 0.7 + 76 4000 ( 29 I B - 12 I B = 23.8 μ A | I C = 75 I B = 1.78 mA V CE = 12 - 6000 I C - 4000 I E - - 12 ( 29 = 6.08 V Q - point : 1.78 mA , 6.08 V ( 29 13.23 NMOS Common-Source Amplifier V EQ = 15 V 1 M 1 M Ω + 2.7 M = 4.05 V R EQ = 1 M 2.7 M = 730 k I D = 0.25 mA 2 V GS - 1 ( 29 2 V GS = 4.05 - 27000 I D I D = 0.125 mA 3.05 - 27000 I DS ( 29 2 I D = 82.2 A V DS = 15 - 82000 I D - 27000 I D = 6.04 V Q - point : 82.2 A , 6.04 V ( 29 13.59 V EQ Q 1 +12 V 4 k 6 k 3.33 k -4 V R EQ -12 V V EQ M 1 +15 V 27 k 82 k 730 k 4.05 V R EQ r π r o v + - g m v y 11 r e α o i e v x i x i e
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For the hybrid pi model : y 11 = 1 r π For the T - model: i x = v x r e - α o v x r e = 1 - o r e v x y 11 = i x v x = 1 - o r e = 1 - β o o + 1 r e = 1 o + 1 ( 29 r e r = o + 1 ( 29
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HW_09_06 - 13.17 NPN Common-Emitter Amplifier +12 V VEQ =...

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