4.11. Identify the source, drain, gate, and bulk terminals and find the current I in the transistors in Fig. P4.11. Assume VTN = 0.70 V.

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**Exercise 4.11**

**Task:**

Identify the source, drain, gate, and bulk terminals and find the current \( I \) in the transistors in Figure P4.11. Assume \( V_{TN} = 0.70 \, \text{V} \).

**Figure P4.11 Details:**

This figure includes two diagrams labeled (a) and (b), each representing a MOSFET transistor circuit.

- **Diagram (a):**
  - The transistor is connected as follows:
    - Gate: +0.2 V
    - Source: Connected to +5 V
    - Drain: Grounded
    - \( W/L = 10/1 \) (Width-to-Length ratio of the transistor)
  - The current \( I \) flows from the grounded drain.

- **Diagram (b):**
  - The transistor is connected as follows:
    - Gate: -0.2 V
    - Source: Connected to +5 V
    - Drain: Grounded
    - \( W/L = 10/1 \) (Width-to-Length ratio of the transistor)
  - The current \( I \) flows from the grounded drain.

**Explanation:**

In both circuit diagrams, the transistors are depicted with specific gate-source voltage conditions. The circuits are used to determine how these voltages affect the current \( I \) flowing through the drain, considering the given threshold voltage \( V_{TN} = 0.70 \, \text{V} \). The \( W/L \) ratio indicates the relative dimensions of the transistor, affecting its operating characteristics.
Transcribed Image Text:**Exercise 4.11** **Task:** Identify the source, drain, gate, and bulk terminals and find the current \( I \) in the transistors in Figure P4.11. Assume \( V_{TN} = 0.70 \, \text{V} \). **Figure P4.11 Details:** This figure includes two diagrams labeled (a) and (b), each representing a MOSFET transistor circuit. - **Diagram (a):** - The transistor is connected as follows: - Gate: +0.2 V - Source: Connected to +5 V - Drain: Grounded - \( W/L = 10/1 \) (Width-to-Length ratio of the transistor) - The current \( I \) flows from the grounded drain. - **Diagram (b):** - The transistor is connected as follows: - Gate: -0.2 V - Source: Connected to +5 V - Drain: Grounded - \( W/L = 10/1 \) (Width-to-Length ratio of the transistor) - The current \( I \) flows from the grounded drain. **Explanation:** In both circuit diagrams, the transistors are depicted with specific gate-source voltage conditions. The circuits are used to determine how these voltages affect the current \( I \) flowing through the drain, considering the given threshold voltage \( V_{TN} = 0.70 \, \text{V} \). The \( W/L \) ratio indicates the relative dimensions of the transistor, affecting its operating characteristics.
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