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Question 4.19: Objective: Design a JFET source-follower circuit with a spec...

Objective: Design a JFET source-follower circuit with a specified small-signal voltage gain.

For the source-follower circuit shown in Figure 4.57, the transistor parameters are: I_{DSS} = 12  mA, V_{P} = −4  V, and λ = 0.01  V^{−1} . Determine R_{S} and I_{DQ} such that the small-signal voltage gain is at least A_{v} = v_{o}/v_{i} = 0.90.

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