operational amplifier circuit components 1. ch 7:...

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ECE 3120 Microelectronics II Dr. Suketu Naik

Operational Amplifier Circuit Components

1. Ch 7: Current Mirrors and Biasing

2. Ch 9: Frequency Response

3. Ch 8: Active-Loaded Differential Pair

4. Ch 10: Feedback and Compensation

5. Ch 11: Output Stages

6. Ch 12 (tentative): Op Amps

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Operational Amplifier

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Operational Amplifier: Applications

Inverting Amplifier

- Audio Mixer

- Gain block

- Filters

Instrumentation

Amplifier- Bridge Amplifiers

- Strain Gauge Amplifiers

- Thermocouple Amplifiers

- Differential to Single-

Ended Converters

- Medical Instrumentation

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MOSFET OP AMP

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Op Amp Circuit Components

Two Stage

Op Amp

(MOSFET)

6


Current Mirror

Two Stage

Op Amp

(MOSFET)

7


Active-Loaded Differential Pair

Two Stage

Op Amp

(MOSFET)

8


Feedback and Compensation

Two Stage

Op Amp

(MOSFET)

9


Output Stage

Two Stage

Op Amp

(MOSFET)

10


BJT OP AMP

11


Three Stage BJT Op-amp

BJT Op Amp in inverting

configuration Current

Mirrors

Active

Load

Diff. Pair

CE Amp

Stage

Class A

Output

Stage (OS)

Biasing

Transistor

for OS

Load

ResistorCompens-

ation Cap

Feedback

Signal

to be

Amplified

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Four Stage BJT Op-amp

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Current Mirror

Four Stage

Op Amp (BJT)

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Differential Pair

Four Stage

Op Amp (BJT)

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Differential to Single

Four Stage

Op Amp (BJT)

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Level Shifter

Four Stage

Op Amp (BJT)

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Output Stage

Four Stage

Op Amp (BJT)

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Learning Objectives

1. Learn the process of designing the multi-stage amplifier

2. Learn the basics of IC design

Calculation

Simulation

3. Implement the IC design lessons using discrete

components

Calculation

Simulation

Experiment

operational amplifier circuit components 1. ch 7:...

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