For the common-source amplifier in Figure 9–63, determine Ip, VGs, and Vps for a centered Q- point. Ipss = 9 mA, and VGs(off) =-3 V. GURE 9–63 +9 V Rp 1.0 kN C3 Vout 10 μF 8m = 3700 µS 0.1 μF RL 10 kſM RG 10 ΜΩ R$ 330 N 100 μF

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### Transcription of the Text and Diagram Explanation

**Text:**

20. For the common-source amplifier in Figure 9-63, determine \( I_D \), \( V_{GS} \), and \( V_{DS} \) for a centered Q-point. \( I_{DSS} = 9 \, \text{mA} \), and \( V_{GS(\text{off})} = -3 \, \text{V} \).

**Circuit Diagram Explanation:**

The circuit diagram is of a common-source amplifier, which includes the following components:

- **Power Supply (\( V_{DD} \)):** 
  - Voltage source of +9V.

- **Resistor (\( R_D \)):** 
  - Connected to the drain of the transistor with a resistance value of 1.0 kΩ.

- **Capacitors:** 
  - \( C_1 \): 0.1 µF, connected at the input.
  - \( C_2 \): 100 µF, connected in parallel with \( R_S \).
  - \( C_3 \): 10 µF, connected at the output.

- **Resistors (\( R_G \) and \( R_S \))**:
  - \( R_G \): 10 MΩ, connected to the gate of the transistor.
  - \( R_S \): 330 Ω, connected to the source.

- **Load Resistor (\( R_L \)):**
  - 10 kΩ connected at the output.

- **Transistor:**
  - The given transconductance (\( g_m \)) is 3700 µS.

- **Input and Output:**
  - \( V_{in} \): Input voltage label.
  - \( V_{out} \): Output voltage label.

This setup is used to analyze the centered Q-point for different parameters such as drain current, gate-source voltage, and drain-source voltage in a common-source amplifier configuration.
Transcribed Image Text:### Transcription of the Text and Diagram Explanation **Text:** 20. For the common-source amplifier in Figure 9-63, determine \( I_D \), \( V_{GS} \), and \( V_{DS} \) for a centered Q-point. \( I_{DSS} = 9 \, \text{mA} \), and \( V_{GS(\text{off})} = -3 \, \text{V} \). **Circuit Diagram Explanation:** The circuit diagram is of a common-source amplifier, which includes the following components: - **Power Supply (\( V_{DD} \)):** - Voltage source of +9V. - **Resistor (\( R_D \)):** - Connected to the drain of the transistor with a resistance value of 1.0 kΩ. - **Capacitors:** - \( C_1 \): 0.1 µF, connected at the input. - \( C_2 \): 100 µF, connected in parallel with \( R_S \). - \( C_3 \): 10 µF, connected at the output. - **Resistors (\( R_G \) and \( R_S \))**: - \( R_G \): 10 MΩ, connected to the gate of the transistor. - \( R_S \): 330 Ω, connected to the source. - **Load Resistor (\( R_L \)):** - 10 kΩ connected at the output. - **Transistor:** - The given transconductance (\( g_m \)) is 3700 µS. - **Input and Output:** - \( V_{in} \): Input voltage label. - \( V_{out} \): Output voltage label. This setup is used to analyze the centered Q-point for different parameters such as drain current, gate-source voltage, and drain-source voltage in a common-source amplifier configuration.
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