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Texas Instruments SLLU039B User Manual

Page 20

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Typical Cable Test Configurations

2-4

Test Setup

Figure 2−3. Two-Node Multipoint Transmission

R16

100

P3

R3

49.9

R5

100

U1

R7

100

R6

100

J2

9

10

5

P2

Twisted Pair Cable

Input Signal

R14

49.9

R4

100

U2

R15

100

U1

J8

11

12

2

7

6

4

Input Signal

R13

453

J7

TP3

R2

453

J1

Output Signal

TP1

TP4

3

W1

V

CC

Jumper

1

3

W4

V

CC

Jumper

2

W3

Jumper

V

CC

W2

V

CC

Jumper

4

TP2

P1

Signal Source

Output

Cable

Active Voltage

Probe into one

Channel of Scope

Terminated in

High Impedance

Cable

Output Signal

Cable

Active Voltage

Probe

Active Voltage

Probe

Active Voltage

Probe into one

Channel of Scope

Terminated in

High Impedance

50-

50-

cable or

with 50-

50-

50-

50-

cable or