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4. Refer to figure 30-3. Increasing the input signal to a high value would result in a. normal undistorted circuit operation. b. a higher the normal input impedance. c. excessive loading of the VDD power supply. d. reduced input impedance and distorted output signal.

4. Refer to figure 30-3. Increasing the input signal to a high value would result in a. normal undistorted circuit operation. b. a higher the normal input impedance. c. excessive loading of the VDD power supply. d. reduced input impedance and distorted output signal.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Question 4

**JFET Voltage Amplifier Circuit Analysis** **Figure 30-3 Description:** The diagram illustrates a JFET (Junction Field Effect Transistor) voltage amplifier circuit. Key components include: - **GEN (Signal Generator):** Supplies input signal. - **C1 (0.022 µF Capacitor):** Connects the signal generator to the gate of the JFET. - **R1 (1MΩ Resistor):** Connected between the gate and ground. - **Q1 (JFET):** Main amplifying component. - **R2 (2700Ω Resistor):** Connected from source to ground. - **C2 (47 µF Capacitor):** Connected across R2. - **R3 (2700Ω Load Resistor):** Connected from the drain to the V<sub>DD</sub> power supply. **Review Questions:** 1. **Effect of Connecting CM Switch 17 in the ON Position:** - What is the effect on circuit gain when load resistor R3 is decreased? - a. Circuit gain is increased. - b. Circuit gain is not affected. - c. Circuit gain is decreased. - d. Circuit gain becomes negative. 2. **CM Switch 17 OFF and CM Switch 18 ON:** - What is the effect on circuit gain if load resistor R3 is decreased? - a. Circuit gain is increased. - b. Circuit gain is not affected. - c. Circuit gain is decreased. - d. Circuit gain becomes negative. 3. **Purpose of C2:** - The purpose of C2 is to: - a. Control the amount of gate current. - b. Increase degenerative feedback. - c. Decrease degenerative feedback. - d. Bypass the V<sub>DD</sub> power supply. 4. **Increasing the Input Signal:** - Results of increasing the input signal to a high value: - a. Normal undistorted circuit operation. - b. A higher than normal input impedance. - c. Excessive loading of the V<sub>DD</sub> power supply. - d. Reduced input impedance and distorted output signal. 5. **Value of R1:** - The value of R1 is set at 1MΩ to keep the: - a. Circuit input
Transcribed Image Text:**JFET Voltage Amplifier Circuit Analysis** **Figure 30-3 Description:** The diagram illustrates a JFET (Junction Field Effect Transistor) voltage amplifier circuit. Key components include: - **GEN (Signal Generator):** Supplies input signal. - **C1 (0.022 µF Capacitor):** Connects the signal generator to the gate of the JFET. - **R1 (1MΩ Resistor):** Connected between the gate and ground. - **Q1 (JFET):** Main amplifying component. - **R2 (2700Ω Resistor):** Connected from source to ground. - **C2 (47 µF Capacitor):** Connected across R2. - **R3 (2700Ω Load Resistor):** Connected from the drain to the V<sub>DD</sub> power supply. **Review Questions:** 1. **Effect of Connecting CM Switch 17 in the ON Position:** - What is the effect on circuit gain when load resistor R3 is decreased? - a. Circuit gain is increased. - b. Circuit gain is not affected. - c. Circuit gain is decreased. - d. Circuit gain becomes negative. 2. **CM Switch 17 OFF and CM Switch 18 ON:** - What is the effect on circuit gain if load resistor R3 is decreased? - a. Circuit gain is increased. - b. Circuit gain is not affected. - c. Circuit gain is decreased. - d. Circuit gain becomes negative. 3. **Purpose of C2:** - The purpose of C2 is to: - a. Control the amount of gate current. - b. Increase degenerative feedback. - c. Decrease degenerative feedback. - d. Bypass the V<sub>DD</sub> power supply. 4. **Increasing the Input Signal:** - Results of increasing the input signal to a high value: - a. Normal undistorted circuit operation. - b. A higher than normal input impedance. - c. Excessive loading of the V<sub>DD</sub> power supply. - d. Reduced input impedance and distorted output signal. 5. **Value of R1:** - The value of R1 is set at 1MΩ to keep the: - a. Circuit input
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