MAX4890 Maxim, MAX4890 Datasheet - Page 8

• Manufacturer Part Number: MAX4890
• Description: The MAX4890/MAX4891/MAX4892 high-speed analog switches meet the needs of 10/100/1000 Base-T applications
• Manufacturer: Maxim

10/100/1000 Base-T Ethernet LAN Switch
Figure 1. Differential Insertion Loss
Figure 2. Differential Return Loss
8
ANALYZER
NETWORK
INSERTION LOSS
_______________________________________________________________________________________
TRACE
RETURN LOSS
50Ω
1
3
49.9Ω
49.9Ω
R17
R16
MINI CKT
BALUN
50:100
6
4
A2
2
A3
3
5
MAX4892
36 TQFN
CB1
3B1
25
50Ω
TRACE
50Ω
TRACE
50Ω
TRACE
50Ω
TRACE
A0
36
A1
1
MAX4892
36 TQFN
C2
0.01μF
4
5
6
0B1
3B1
31
30
50Ω
TRACE
50Ω
TRACE
24-PIN PACKAGE
PULSE H5007
C2
0.01μF
5
4
6
24-PIN PACKAGE
PULSE H5007
21
20
19
TRACE
R1
75Ω
TRACE
50Ω
C3
1000pF
50Ω
20
21
19
CB3
4
6
5
MINI CKT
R1
75Ω
100:50
TRACE
TRACE
BALUN
50Ω
C3
1000pF
50Ω
3
1
TRACE
CB3
50Ω
4
6
5
Test Circuits
MINI CKT
100:50
BALUN
ANALYZER
NETWORK
3
1
TRACE
50Ω
ANALYZER
NETWORK