Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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The image features three graphs illustrating the current-voltage characteristics of three types of field-effect transistors: JFET, D-MOSFET, and E-MOSFET. Each graph plots the drain current (\(I_D\), in milliamperes, mA) on the vertical axis against the gate-to-source voltage (\(V_{GS}\), in volts, V) on the horizontal axis.

**(a) JFET**:
- The graph shows a curve starting at the origin and rising steeply as \(V_{GS}\) becomes more negative.
- The curve is labeled with specific \(I_D\) values: 1.8 mA, 2.5 mA, and 3.4 mA.
- A point \(Q\) on the curve corresponds to a \(V_{GS}\) value of approximately -2 V.

**(b) D-MOSFET**:
- This graph displays a curve that increases as \(V_{GS}\) moves from negative to positive values.
- The curve includes \(I_D\) values of 2.5 mA and 5.3 mA.
- The point \(Q\) on this curve aligns with a \(V_{GS}\) of approximately 0 V.

**(c) E-MOSFET**:
- The curve here begins at the origin, rising as \(V_{GS}\) increases positively.
- It is labeled with current values of 1.7 mA, 2.5 mA, and 3.9 mA.
- The point \(Q\) corresponds to a \(V_{GS}\) value of around 8 V.

Each graph demonstrates how the drain current varies with the gate-to-source voltage for different types of transistors, indicating their respective operating regions and characteristics.
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Transcribed Image Text:The image features three graphs illustrating the current-voltage characteristics of three types of field-effect transistors: JFET, D-MOSFET, and E-MOSFET. Each graph plots the drain current (\(I_D\), in milliamperes, mA) on the vertical axis against the gate-to-source voltage (\(V_{GS}\), in volts, V) on the horizontal axis. **(a) JFET**: - The graph shows a curve starting at the origin and rising steeply as \(V_{GS}\) becomes more negative. - The curve is labeled with specific \(I_D\) values: 1.8 mA, 2.5 mA, and 3.4 mA. - A point \(Q\) on the curve corresponds to a \(V_{GS}\) value of approximately -2 V. **(b) D-MOSFET**: - This graph displays a curve that increases as \(V_{GS}\) moves from negative to positive values. - The curve includes \(I_D\) values of 2.5 mA and 5.3 mA. - The point \(Q\) on this curve aligns with a \(V_{GS}\) of approximately 0 V. **(c) E-MOSFET**: - The curve here begins at the origin, rising as \(V_{GS}\) increases positively. - It is labeled with current values of 1.7 mA, 2.5 mA, and 3.9 mA. - The point \(Q\) corresponds to a \(V_{GS}\) value of around 8 V. Each graph demonstrates how the drain current varies with the gate-to-source voltage for different types of transistors, indicating their respective operating regions and characteristics.
**Question 10:**

Refer to the JFET transfer characteristic curve in Figure 9–16(a) and determine the peak-to-peak value of \( I_d \) when \( V_{gs} \) is varied \( \pm 1.5 \, \text{V} \) about its Q-point value.
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Transcribed Image Text:**Question 10:** Refer to the JFET transfer characteristic curve in Figure 9–16(a) and determine the peak-to-peak value of \( I_d \) when \( V_{gs} \) is varied \( \pm 1.5 \, \text{V} \) about its Q-point value.
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