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1

Temperature Sensor Project

Sensor Amplifier Construction

EET 150 Introduction to EET

Southern Illinois University

Carbondale

1Temperature Sensor Project.pptx

LM7

41

Wiring the circuit

Basic Layout

Pin 1

Pin 4 -Vcc

Ground

Pin 5

Pin 8

+Vcc-Vcc

2Temperature Sensor Project.pptx

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2

Wiring the circuit

OP AMP Connections

LM7

41

Ground

+Vcc-Vcc

R1

R2

To

Analog

input

D1

3Temperature Sensor Project.pptx

Wiring the circuit

Powering And

Testing OP AMP

LM7

41

Ground

+Vcc-Vcc

R1

R2

To

Analog

input

D1

10,000 ohm

Potentiometer

Apply 0.25 V dc to

input by Adjusting

Potentiometer

0.25

DMM

4Temperature Sensor Project.pptx

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3

Sensor Circuit Power Sources

On Campus Students

Use Dc Power Supply

Set for ±9 Vdc

Online Students

Use 2, 9 Volt batteries

9 Vdc 9 Vdc

+9V-9V Common

5Temperature Sensor Project.pptx

LM7

41

+Vcc-Vcc

R1

R2

D1

Ground

Wiring the circuit

Adding the sensor

Top

view

To

Analog

input

+Vs

Ground

6Temperature Sensor Project.pptx

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4

LM7

41

+Vcc-Vcc

R1

R2

D1

Ground

Adjusting Circuit Gain

Top

view

To

Analog

input

R2 New

Replace R2 with new

values.

7Temperature Sensor Project.pptx

END SENSOR AMPLIFIER

CONSTRUCTION

EET 150 Introduction to Electrical Engineering Technology

8Temperature Sensor Project.pptx