Datasheet

7
LTC1546
Figure 1. V.11 Driver DC Test Circuit
Figure 2. V.11 Driver AC Test Circuit
Figure 4. V.11, V.35 Receiver AC Test Circuit
Figure 3. Input Impedance Test Circuit
1546 F01
V
OD
V
OC
R
L
R
L
A
B
D
A
B
D
1546 F02
R
L
100Ω
C
L
100pF
C
L
100pF
R
1546 F03
V
CM
= ±7V
B
I
B
A
+
–
I
A
2(V
B
– V
A
)
I
B
– I
A
R
IN
=
A
B
1546 F04
R
C
L
Figure 5. V.35 Driver Open-Circuit Test
1546 F05
V
OD
V
OC
R
L
50Ω
V
OB
V
OA
125Ω
50Ω
R
L
1546 F06
50Ω
V
OB
V
OA
125Ω 125Ω
50Ω
50Ω
50Ω
V
CM
Figure 6. V.35 Driver Test Circuit
1546 F07
50Ω
125Ω
50Ω
V
CM
= ±2V
+
–
1546 F08
50Ω50Ω
125Ω
125Ω
50Ω
50Ω
1546 F09
V
TH
V
CM
+
–
+
–
R
Figure 7. V.35 Driver Common Mode
Impedance Test Circuit
Figure 8. V.35 Driver AC Test Circuit Figure 9. V.35 Receiver DC Test Circuit
1546 F10
51.5Ω
125Ω
51.5Ω
V
CM
= ±2V
+
–
Figure 10. Receiver Common Mode
Impedance Test Circuit
A
D
1546 F11
R
L
C
L
R
A
1546 F12
C
L
V
A
Figure 11. V.28 Driver Test Circuit Figure 12. V.28 Receiver Test Circuit
TEST CIRCUITS