Datasheet

MAX3172/MAX3174
+3.3V Multiprotocol Software-Selectable
Cable Terminators and Transceivers
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Figure 1. V.11 or V.35 Differential Impedance Measurement
Figure 2. V.35 Common-Mode Impedance Measurement
V
CM
= ±2V
R2
52Ω
R1
52Ω
S1 ON
A
B
S2 ON
OHMMETER
R3
127Ω
Figure 3. V.10/V.28 Driver Test Circuit
C
L
R
L
T
Figure 4. V.10/V.28 Receiver Test Circuit
Test Circuits
V
CM
= ±7V OR ±2V
A
B
S2 OFF
OHMMETER
R2
52Ω
R1
52Ω
S1 ON
R3
127Ω
15pF
TR