temperature sensor project5/31/2017 3 sensor circuit power sources on campus students use dc power...
TRANSCRIPT
5/31/2017
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
5/31/2017
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
5/31/2017
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
5/31/2017
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