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Step 1 of 3 1.066P The most convenient representation of voltage amplifier is in terms of g- parameters. The following equations describe the g- parameters representation: (1) = + (2) Refer to Figure P1.64 in the textbook for the equivalent circuit representation of these equations. Refer to Figure 1.16(a) in the textbook for the voltage amplifier. Represent the input and output voltages as and V₂ Similarly represent the input and output currents as Draw the equivalent circuit. + + V₂ - - Figure 1 Step 2 of 3 From the input loop of Figure 1, write the following relation: (3) From the output loop of Figure 1, write the following relation: (4) Compare equation (1) with equation (3). Compare equation (2) with equation (4). The g- parameter that correspond to is, 1 Thus, the g- parameter that corresponds to R, is Step 3 of 3 The g- parameter that correspond to is, = Thus, the g- parameter that correspond to is The g- parameter that correspond to is, Thus, the g- parameter that corresponds to is The 812 is the additional parameter with no correspondence in amplifier equivalent circuit because 0 Hence, 812 signifies the reverse current gain at zero input voltage. The amplifier in the absence of g- parameter is an open loop amplifier with no feedback.