If the current gain of the transistor amplifier in Fig....

If the current gain of the transistor amplifier in Fig. $40-43$ is $\beta=i_{\mathrm{C}} / i_{\mathrm{B}}=95,$ what value must $R_{\mathrm{C}}$ have if a $1.0-\mu \mathrm{A}$ ac base current is to produce an ac output voltage of $0.35 \mathrm{~V}^{2}$

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Key Concepts

Transistor Current Gain (?)

This parameter represents the ratio of the collector current to the base current in a bipolar transistor. It is fundamental in determining how effectively the transistor can amplify the input signal, linking small base currents to significantly larger collector currents.

Small-Signal AC Analysis

Small-signal analysis involves linearizing the behavior of nonlinear components, like transistors, around a bias point. This approach allows engineers to simplify the study of AC performance, enabling the calculation of parameters such as voltage gain by considering the incremental changes in currents and voltages.

Collector Resistor Selection in Amplifiers

The value of the collector resistor is chosen to develop the desired output voltage across it when the amplified current flows through it. Determining this resistor value involves understanding the relationship between the output voltage, the transistor's current gain, and the base current, ensuring that the circuit meets its intended signal amplification specifications.

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