Chapter 12 Field-Effect Transistors 1. Understand MOSFET operation.

Chapter 12 Field-Effect Transistors 1. Understand MOSFET operation.

Chapter 12 Field-Effect Transistors 1. Understand MOSFET operation. 2. Analyze basic FET amplifiers using the load-line technique. 3. Analyze bias circuits. ELECTRICA L ENGINEERING Principles and

Chapter 12 Field-Effect Transistors 4. Use small-signal equivalent circuits to analyze FET amplifiers. 5. Compute the performance parameters of several FET amplifier configurations. 6. Select a FET amplifier configuration that is

appropriate for a given application. ELECTRICA L 7. Understand the basic operation of Chapter 12 CMOS logic ENGINEERING Field-Effect Transistors Principles and

NMOS AND PMOS TRANSISTORS ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors

ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors ELECTRICA L ENGINEERING

Principles and Chapter 12 Field-Effect Transistors ELECTRICA L ENGINEERING Principles and Chapter 12

Field-Effect Transistors Operation in the Cutoff Region ELECTRICA L ENGINEERING Principles and iD 0 for vGS Vto

Chapter 12 Field-Effect Transistors ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors

Operation in the Triode Region iD K 2vGS vto v DS v W K L ELECTRICA

L ENGINEERING Principles and Chapter 12 Field-Effect Transistors KP 2

2 DS ELECTRICA L ENGINEERING Principles and Chapter 12

Field-Effect Transistors Operation in the Saturation Region iD K vGS vto iD Kv ELECTRICA L ENGINEERING Principles and

Chapter 12 Field-Effect Transistors 2 DS 2 ELECTRICA L

ENGINEERING Principles and Chapter 12 Field-Effect Transistors ELECTRICA L ENGINEERING Principles and

Chapter 12 Field-Effect Transistors ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors

ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors MOSFET Summary ELECTRICA

L ENGINEERING Principles and Chapter 12 Field-Effect Transistors LOAD-LINE ANALYSIS OF A SIMPLE NMOS AMPLIFIER ELECTRICA

L ENGINEERING Principles and v DD RD iD t v DS t Chapter 12 Field-Effect Transistors ELECTRICA L ENGINEERING

Principles and Chapter 12 Field-Effect Transistors ELECTRICA L ENGINEERING Principles and Chapter 12

Field-Effect Transistors ELECTRICA L ENGINEERING Principles and To establish the load line, we first locate two points on Chapter it. 12

Field-Effect Transistors ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors Amplifier Analysis

Amplifier analysis has two steps: 1. Determine the Q point. 2. Use a small-signal equivalent circuit to determine impedances and gains. ELECTRICA L ENGINEERING Principles and Chapter 12

Field-Effect Transistors The Fixed- Plus Self-Bias Circuit ELECTRICA L ENGINEERING Principles and Chapter 12

Field-Effect Transistors ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors VG VDD

R2 R1 R2 VG vGS RS iD iD K vGS Vto ELECTRICA L ENGINEERING Principles and

Chapter 12 Field-Effect Transistors 2 ELECTRICA L ENGINEERING Principles and

Chapter 12 Field-Effect Transistors ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors

ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors ELECTRICA L ENGINEERING

Principles and Chapter 12 Field-Effect Transistors SMALL-SIGNAL EQUIVALENT CIRCUITS iD t I DQ id t ELECTRICA L

ENGINEERING Principles and vGS t VGSQ v gs t Chapter 12 Field-Effect Transistors ELECTRICA L ENGINEERING Principles and

Chapter 12 Field-Effect Transistors ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors

g m 2 KI DQ g m 2 KP W L I DQ ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors

ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors iD gm

vGS Q point iD 1 rd v DS Q point ELECTRICA

L ENGINEERING Principles and Chapter 12 Field-Effect Transistors ELECTRICA L ENGINEERING Principles and

Chapter 12 Field-Effect Transistors ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors

COMMON-SOURCE AMPLIFIERS ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors

ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors The Small-Signal Equivalent Circuit

In small-signal midband analysis of FET amplifiers, the coupling capacitors, bypass capacitors, and dc voltage sources are replaced by short circuits. The FET is replaced with its small-signal equivalent circuit. Then, we write circuit equations and derive useful expressions ELECTRICA for gains, input impedance, and output L impedance.

Chapter 12 ENGINEERING Principles and Field-Effect Transistors Voltage Gain 1 RL 1 rd 1 RD 1 RL

vo Av g m RL vin ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors

Input Resistance vin Rin RG R1 R2 iin ELECTRICA L ENGINEERING Principles and Chapter 12

Field-Effect Transistors ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors Output Resistance

To find the output resistance of an amplifier, we disconnect the load, replace the signal source by its internal resistance, and then find the resistance looking into the output terminals. 1 Ro 1 RD 1 rd ELECTRICA

L ENGINEERING Principles and Chapter 12 Field-Effect Transistors ELECTRICA L ENGINEERING Principles and

Chapter 12 Field-Effect Transistors ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors

SOURCE FOLLOWERS ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors

ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors The Small-Signal Equivalent Circuit

ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors Voltage Gain 1 RL

1 rd 1 RS 1 RL vo g m RL Av vin 1 g m RL ELECTRICA L ENGINEERING Principles and

Chapter 12 Field-Effect Transistors Input Resistance vin Rin RG iin ELECTRICA L ENGINEERING

Principles and Chapter 12 Field-Effect Transistors ELECTRICA L ENGINEERING Principles and Chapter 12

Field-Effect Transistors Output Resistance ELECTRICA L ENGINEERING Principles and 1 Ro

g m 1 RS 1 rd Chapter 12 Field-Effect Transistors Source-Follower Characteristics The source follower has voltage gain slightly less than unity, high input impedance, and low output impedance. Current gain and power gain can be larger than unity.

ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors ELECTRICA L ENGINEERING

Principles and Chapter 12 Field-Effect Transistors ELECTRICA L ENGINEERING Principles and Chapter 12

Field-Effect Transistors ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors CMOS Inverter

ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors ELECTRICA L

ENGINEERING Principles and Chapter 12 Field-Effect Transistors CMOS NAND Gate ELECTRICA L ENGINEERING

Principles and Chapter 12 Field-Effect Transistors ELECTRICA L ENGINEERING Principles and Chapter 12

Field-Effect Transistors CMOS NOR Gate ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors

ELECTRICA L ENGINEERING Principles and Chapter 12 Field-Effect Transistors

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