11

®

ISO122

FIGURE 9. Three-Port, Low-Cost, Four-Channel Isolated, Data Acquisition System.

+V

Channel 2

(Same as Channel 1.)

PWS740-1

46

5

3

3

4

4

0.3

µF

ISO122P

0.3

µF

0.3

µF

6

4

11

6

6

16

15

7

0.3

µF

Channel 1

1

Channel 4

(Same as Channel 1.)

Channel 3

(Same as Channel 1.)

9

8

2

V

IN

V

OUT

1

2

3

1

2

3

20

µH

PWS740-2

PWS740-2

5

0.3

µF

10

µF

6

3

4

8

5

10

PWS740-3

PWS740-3