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n a self-biased FET amplifier given in the figure, Vdd = 20V, Rs = 1k ohm, VGSq = 2.6mA. The transistor has a specific value of Idss = 8 mA, Vp = -6V and gos = 25 microS. 12 mV a.c. to transistor input. What is the Rd resistance value so that the output voltage is -24.85 mV when voltage is applied? The answer is between 3.3 k ohms and 4.6 k ohms.

n a self-biased FET amplifier given in the figure, Vdd = 20V, Rs = 1k ohm, VGSq = 2.6mA. The transistor has a specific value of Idss = 8 mA, Vp = -6V and gos = 25 microS. 12 mV a.c. to transistor input. What is the Rd resistance value so that the output voltage is -24.85 mV when voltage is applied? The answer is between 3.3 k ohms and 4.6 k ohms.

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
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n a self-biased FET amplifier given in the figure, Vdd = 20V, Rs = 1k ohm, VGSq = 2.6mA. The transistor has a specific value of Idss = 8 mA, Vp = -6V and gos = 25 microS. 12 mV a.c. to transistor input. What is the Rd resistance value so that the output voltage is -24.85 mV when voltage is applied?

The answer is between 3.3 k ohms and 4.6 k ohms.

### Field Effect Transistor (FET) Common Source Amplifier Circuit #### Diagram Explanation The diagram illustrates a common source amplifier circuit utilizing a Field Effect Transistor (FET). Below is the detailed information and component labels present in the diagram: 1. **Input Signal (Vi) and Input Impedance (Zi):** - The input signal \(Vi\) is depicted entering from the left side of the circuit, represented by a sine wave symbol. - The arrow alongside \(Zi\) shows the direction of the input signal impedance. 2. **Capacitors:** - **\(C1\)**: A coupling capacitor connected at the input to block DC components. - **\(C2\)**: Another coupling capacitor at the output to block DC components and allow AC signals to pass to the output. 3. **Resistors:** - **\(Rc\)**: This resistor is connected to the source terminal and grounded. It helps in determining the gain and stability of the circuit. - **\(Rs\)**: This resistor is connected to the drain terminal and ground. It aids in biasing and provides stability to the circuit. - **\(Ro\)**: This resistor is connected between the positive supply voltage \(+UDD\) and the drain of the FET. It is crucial for setting the output voltage level. 4. **Field Effect Transistor (FET):** - The central component, visually represented by a standard FET symbol, with its Gate, Source, and Drain terminals labeled but not explicitly named in this diagram. 5. **Power Supply \(+UDD\):** - Indicates the positive supply voltage connected to the drain terminal via \(Ro\). 6. **Output Signal (Vo) and Output Impedance (Zo):** - The output signal \(Vo\) is shown leaving from the right side of the circuit, passing through the coupling capacitor \(C2\). - The arrow alongside \(Zo\) indicates the direction of the output signal impedance. 7. **Ground Symbols:** - Various ground symbols are connected across the circuit indicating common electrical ground points essential for circuit operation. #### Functioning - The input AC signal \(Vi\) is applied through the coupling capacitor \(C1\) to the gate of the FET. - The FET amplifies the signal, and the amplified signal at the drain is then passed through resistor \(Ro\
Transcribed Image Text:### Field Effect Transistor (FET) Common Source Amplifier Circuit #### Diagram Explanation The diagram illustrates a common source amplifier circuit utilizing a Field Effect Transistor (FET). Below is the detailed information and component labels present in the diagram: 1. **Input Signal (Vi) and Input Impedance (Zi):** - The input signal \(Vi\) is depicted entering from the left side of the circuit, represented by a sine wave symbol. - The arrow alongside \(Zi\) shows the direction of the input signal impedance. 2. **Capacitors:** - **\(C1\)**: A coupling capacitor connected at the input to block DC components. - **\(C2\)**: Another coupling capacitor at the output to block DC components and allow AC signals to pass to the output. 3. **Resistors:** - **\(Rc\)**: This resistor is connected to the source terminal and grounded. It helps in determining the gain and stability of the circuit. - **\(Rs\)**: This resistor is connected to the drain terminal and ground. It aids in biasing and provides stability to the circuit. - **\(Ro\)**: This resistor is connected between the positive supply voltage \(+UDD\) and the drain of the FET. It is crucial for setting the output voltage level. 4. **Field Effect Transistor (FET):** - The central component, visually represented by a standard FET symbol, with its Gate, Source, and Drain terminals labeled but not explicitly named in this diagram. 5. **Power Supply \(+UDD\):** - Indicates the positive supply voltage connected to the drain terminal via \(Ro\). 6. **Output Signal (Vo) and Output Impedance (Zo):** - The output signal \(Vo\) is shown leaving from the right side of the circuit, passing through the coupling capacitor \(C2\). - The arrow alongside \(Zo\) indicates the direction of the output signal impedance. 7. **Ground Symbols:** - Various ground symbols are connected across the circuit indicating common electrical ground points essential for circuit operation. #### Functioning - The input AC signal \(Vi\) is applied through the coupling capacitor \(C1\) to the gate of the FET. - The FET amplifies the signal, and the amplified signal at the drain is then passed through resistor \(Ro\
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