9.28 An npn differential amplifier with I = 0.4 mA, VCC = V EE = 2.5 V, and RC = 5 k utilizes BJTs with β = 100 and v BE = 0.7 V at iC = 1 mA. Assuming that the bias current is obtained by a simple current source and that all transistors require a minimum vCE of 0.3 V for operation in the active mode, find the input common-mode range.

9.28 - 9.28 An npn differential amplifier with I = 0.4 mA, VCC = V EE = 2.5 V, and RC = 5 k utilizes BJTs with β = 100 and v BE = 0.7 V at iC = 1 mA. Assuming that the bias current is obtained by a simple current source and that all transistors require a minimum vCE of 0.3 V for operation in the active mode, find the input common-mode range.

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images - 9.28 An npn differential amplifier with I = 0.4 mA, VCC = V EE = 2.5 V, and RC = 5 k utilizes BJTs with β = 100 and v BE = 0.7 V at iC = 1 mA. Assuming that the bias current is obtained by a simple current source and that all transistors require a minimum vCE of 0.3 V for operation in the active mode, find the input common-mode range.

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