ML4658
APPLICATION: EXTERNAL MAU
330pF
19
C5
18
CHASSIS.REF
U1
3
CAP0 CAP1
*
2:1
1:1
P1
9
16
15
22
TxTP+
T1
1
AUI.CP–
200Ω
200Ω
COL– TxTP–
RxTP+
+5V
AUI.CP+
AUI.TX–
TRANSMIT
FILTER
2
R1
R2
360Ω
10
AUI.TX+
21
10
3
RxTP–
RJ
45
11
+5V
360Ω
39Ω
2
9
220Ω
COL+
4
R15
RTSET
Tx–
AUI.RX–
AUI.RX+
12
13
14
15
1KΩ
3.3KΩ
R22
50Ω
50Ω
5
R3
RECEIVE
FILTER
BIAS
BIAS R21
BIAS
1%
R4
BIAS 23
39Ω
8
6
7
8
1
2
3 5
4 6
7
8
Tx+
Rx– SQEN
4
+5V
6
360Ω
R5
R6
1
CLSN
JAB
D2
D3
24
14
13
20
12
360Ω
RCV
Rx+
D4
D5
D6
D7
5
XMT
LTF
50pF
RRSET
11
R16
62KΩ, 1%
POLRD
AUI.PWR–
AUI.PWR+
510Ω
V
GND
17
CC
7
+5V
560Ω
D8
R13
D1
VR1
+5V
IN
OUT
LM340
GND
+
+
C1
C2
C3
3µ
C4
0.1µ
3µ
0.1µ
* Single Chip Solutions are Available from Magnetic Suppliers.
Magnetics and Filter Suppliers:
Pulse Engineering, Inc. (San Diego)
Valor Electronics, Inc. (San Diego)
Fil-Mag (San Diego)
Figure 12. External MAU
14
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
