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7. Determine the Miller input and output capacitances for the amplifier in Figure 10–57. +10 V Ciss = 10 pF Crss = 3 pF IGSS = 18 nA @ Vps = -10 V VGS(of) = -8 V Ipss = 10 mA %3D 1.0 kN 0.001 µF out 0.001 µF 10 kM 50 N 10 M 1.0 kΩ 0.1 μF Vin

7. Determine the Miller input and output capacitances for the amplifier in Figure 10–57. +10 V Ciss = 10 pF Crss = 3 pF IGSS = 18 nA @ Vps = -10 V VGS(of) = -8 V Ipss = 10 mA %3D 1.0 kN 0.001 µF out 0.001 µF 10 kM 50 N 10 M 1.0 kΩ 0.1 μF Vin

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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**7. Determine the Miller input and output capacitances for the amplifier in Figure 10–57.** **Circuit Diagram Description:** The circuit features an N-channel JFET amplifier configured as follows: - The input signal \( V_{\text{in}} \) is applied through a coupling capacitor of 0.001 µF. - A 50 Ω resistor is connected to \( V_{\text{in}} \). - The gate of the JFET is connected to the input capacitor and a 10 MΩ resistor which leads to the ground. - The drain is connected to a +10 V supply through a 1.0 kΩ resistor. - A capacitor and resistor, both 1.0 kΩ, are connected in parallel between the source and ground. - The output is taken across the 10 kΩ load resistor connected to the drain through a 0.001 µF capacitor. - A 0.1 µF capacitor connects the source to the ground in parallel to the 1.0 kΩ source resistor. **Parameters:** - \( C_{\text{iss}} = 10 \, \text{pF} \) - \( C_{\text{rss}} = 3 \, \text{pF} \) - \( I_{\text{GSS}} = 18 \, \text{nA} \, @ \, V_{\text{DS}} = -10 \, \text{V} \) - \( V_{\text{GS(off)}} = -8 \, \text{V} \) - \( I_{\text{DSS}} = 10 \, \text{mA} \) This setup aims to provide a clear understanding of how Miller capacitance affects the input and output capacitive characteristics in this amplifier circuit.
Transcribed Image Text:**7. Determine the Miller input and output capacitances for the amplifier in Figure 10–57.** **Circuit Diagram Description:** The circuit features an N-channel JFET amplifier configured as follows: - The input signal \( V_{\text{in}} \) is applied through a coupling capacitor of 0.001 µF. - A 50 Ω resistor is connected to \( V_{\text{in}} \). - The gate of the JFET is connected to the input capacitor and a 10 MΩ resistor which leads to the ground. - The drain is connected to a +10 V supply through a 1.0 kΩ resistor. - A capacitor and resistor, both 1.0 kΩ, are connected in parallel between the source and ground. - The output is taken across the 10 kΩ load resistor connected to the drain through a 0.001 µF capacitor. - A 0.1 µF capacitor connects the source to the ground in parallel to the 1.0 kΩ source resistor. **Parameters:** - \( C_{\text{iss}} = 10 \, \text{pF} \) - \( C_{\text{rss}} = 3 \, \text{pF} \) - \( I_{\text{GSS}} = 18 \, \text{nA} \, @ \, V_{\text{DS}} = -10 \, \text{V} \) - \( V_{\text{GS(off)}} = -8 \, \text{V} \) - \( I_{\text{DSS}} = 10 \, \text{mA} \) This setup aims to provide a clear understanding of how Miller capacitance affects the input and output capacitive characteristics in this amplifier circuit.
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