To determine Find the y parameters for the given circuit. Explanation Given data: Refer to given figure in the textbook. Formula used: Write the expression to find y parameters for the circuit. y 11 = I 1 V 1 | V 2 = 0 S (1) y 12 = I 1 V 2 | V 1 = 0 S (2) y 21 = I 2 V 1 | V 2 = 0 S (3) y 22 = I 2 V 2 | V 1 = 0 S (4) Here, y 11 is the admittance seen from port 1 when port 2 is short circuited, y 12 and y 21 are the transfer admittance, and y 22 is the admittance seen from port 2 when port 1 is short circuited. Calculation: When port 2 is short circuited ( V 2 = 0 ) , the reduced circuit is shown in Figure 1. In Figure 1, the short circuit path neglects the effect of 15 Ω resistor. From Figure 1, write the expression for current I 1 . I 1 = V 1 20 + V 1 5 (5) Substitute equation (5) in (1). y 11 = ( 1 20 + 1 5 ) V 1 V 1 S = ( 1 20 + 1 5 ) S = ( 0.05 + 0.2 ) S = 0.25 S From Figure 1, write the expression for I 2 using current division rule. I 2 = − ( 20 20 + 5 ) I 1 I 2 = − 0.8 I 1 (6) Rearrange the equation (1). I 1 = y 11 V 1 (7) Substitute equation (7) in (6). I 2 = − 0.8 ( y 11 V 1 ) I 2 V 1 = − 0.8 y 11 (8) Compare equation (8) and (3)

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Chapter 18.2, Problem 1AP

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Find the y parameters for the given circuit.

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Chapter 18.2, Problem 2AP

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Chapter 18 Solutions

EBK ELECTRIC CIRCUITS

Ch. 18.2 - Find the y parameters for the circuit in Fig....Ch. 18.2 - Prob. 2AP Ch. 18.2 - Prob. 3AP Ch. 18.2 - Prob. 4AP Ch. 18.2 - Prob. 5AP Ch. 18.3 - Prob. 6AP Ch. 18.4 - Each element in the symmetric bridged-tee circuit...Ch. 18 - Prob. 1P Ch. 18 - Prob. 2P Ch. 18 - Prob. 3P

Ch. 18 - Find the b parameters for the circuit shown in...Ch. 18 - Find the y parameters for the circuit shown in...Ch. 18 - Prob. 6P Ch. 18 - Prob. 7P Ch. 18 - Prob. 8P Ch. 18 - Find the g parameters for the operational...Ch. 18 - Find the a parameters for the circuit in Fig....Ch. 18 - Use the results obtained in Problem 18.10 to...Ch. 18 - Prob. 12P Ch. 18 - Prob. 15P Ch. 18 - Prob. 16P Ch. 18 - Prob. 17P Ch. 18 - Prob. 18P Ch. 18 - Prob. 19P Ch. 18 - Use the defining equations to find the s-domain...Ch. 18 - Prob. 21P Ch. 18 - Prob. 22P Ch. 18 - Prob. 23P Ch. 18 - Prob. 24P Ch. 18 - Prob. 25P Ch. 18 - Prob. 26P Ch. 18 - Find the Thevenin equivalent circuit with respect...Ch. 18 - Prob. 28P Ch. 18 - Prob. 30P Ch. 18 - The h parameters for the two-port amplifier...Ch. 18 - For the terminated two-port amplifier circuit in...Ch. 18 - Prob. 33P Ch. 18 - The linear transformer in the circuit shown in...Ch. 18 - The following measurements were made on a...Ch. 18 - Find the z parameters for the two-port network in...Ch. 18 - Find the s-domain expressions for the h parameters...Ch. 18 - The g and h parameters for the resistive two-ports...Ch. 18 - The h parameters of the first two-port circuit in...Ch. 18 - The networks A and B in the circuit in Fig. P18.40...Ch. 18 - Prob. 41P Ch. 18 - Show that the circuit in Fig. P18.42 is an...Ch. 18 - Prob. 43P Ch. 18 - Prob. 44P Ch. 18 - Prob. 45P

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