HW 9 - Ch 19

# HW 9 Ch 19 - To get z and I 1R I 4R I I2 = 0 1 0 z =-=(a V 1 6(1(4 2 = 4 R I 1 I = I 1 2 v = 21 =I To get z2 and z consider the circuit in Fig(b

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-- To get z,, and 1R 4R I2 = 0 - - 1 I I I - 0 (a) VI = -= 1+6 (1 (4+2) = 1, 1 . I, =-I,, v, = 21, =I, 2 To get z2, and , consider the circuit in Fig. (b). I1=0 = - v2 = 2 (4 + 6) = 1.667 R 12 2 1 I,' = - I ,-6 2+10 --I,, VI =61,'= I, = - - VI -10 Hence,

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VTh , consider the circuit in Fig. (b). consider the circuit in Fig. (a). vo=l But v2 =I, VI = -z, I, To find , I2 = 0 0 + VS =o, VI =v, -I, z, Substituting these into (1) and (2),
22, vs v, = z,, I, = ZI, +z,

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-- - -- o get y,, and , consider the circuit in Fig.(a). I1 652 3R 12 L - r A - + VI 352 vz=o - - VI = (6+6 1) 3)I, = 81, I -6 I, = -2v, -v, - - - 6+3 3 8 -1 y21 =F=E To get y,, and , consider the circuit in Fig.(b). 1 1 12 =-= 1 --__ V, 3 (1 (3 + 6 6) - 3 6 - 2
I, -1 y2, yI2 =-=-= v, 12 Thus,

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-- - hll and h21, consider the circuit below. 4R j6 R + v2=0 - V Vl = 5 //(4 + j6)11 = 5(4 + hll = 1 = 3.0769 + jl.282 1 9+ 4 5 Also, I2 = 9 + 11 --+ h21 = - = -0.3846+ j0.2564 4 To get h22 and h12, consider the circuit below. T R + + + v2 I I v, = - 5 V2 ___) h12=-=-- 5 - 0.3846 - j0.2564 VI 9+j6 h22 = - = 1 - j3 V, = -j3//(9 + j6)12 -+ - j3//(9 + j6) - j3(9 + j6) = 0.0769 + j0.2821 .. . . . . .
Thus, 3.0769 + jl.282 1 0.3846 - j0.2564 - 0.3846 + j0.2564 0.0769 + j0.2821

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L o determine A

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## This homework help was uploaded on 04/02/2008 for the course EE 212 taught by Professor All during the Spring '08 term at Cal Poly.

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HW 9 Ch 19 - To get z and I 1R I 4R I I2 = 0 1 0 z =-=(a V 1 6(1(4 2 = 4 R I 1 I = I 1 2 v = 21 =I To get z2 and z consider the circuit in Fig(b

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