Signal Conditioning

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Operational Amplifier (op-amp)
Positive power supply (12V)
8
1
Inverting
-
Positive power
input (V-)
Inverting input
2
7
Output (Vo)
supply (12V)
741
Non-inverting input
3
6
Output
Non-inverting

input (V)
4
5
Negative power
supply (-12V)
Negative power supply (-12V)
Integrated Circuit 8 Pin DIP (Dual In-line
Package)
Electrical Schematic Symbol
4
Single Input, Inverting amp
i1
R1
R2
i2

i-
12V
Ei
-

-
E
-


-12V
Eo
R3
-
5
Single Input, Inverting amp
R1
R2

12V
Ei
-
-


-12V
Eo
R3
-
6
Multiple input, summing amplifier
R3
R1

R2
12V
E1
-

-

E2

-12V
-
Eo
R4
-
7
Single input, non-inverting amplifier
R1
R2
12V
-
R3


-12V

Eo
Ei
-
-
8
Dual input, difference amplifier
R1
R2

12V
E1
-
-
R1


-12V

Eo
E2
R2
-
-
9
Buffered Potentiometer via Voltage Divider
12V
12V
-



-12V
EO
Ei
-
-
-12V
10
Integrating amp
R
C

12V
Ei
-
-


-12V
Eo
-
11
Comparator
12V
-


Eref

-12V

Eo
-
Ei
-
-
12
Instrumentation Amp

R2

-
R1
R3
Ei
-
RG


R3
R1
EO
R2
-
-
-
-

13
12V
Function Generator
DMM
7
12V
2
-
741
4.237
6



3
VWHz
Ein
COM
-12V
4
Eout
-
-
COM
-12V
14
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