HFBR-4663 Agilent(Hewlett-Packard), HFBR-4663 Datasheet - Page 7

• Manufacturer Part Number: HFBR-4663
• Description: Single Chip 10BASE-FL Transceiver
• Manufacturer: Agilent(Hewlett-Packard)

+VRF
–VRF
C11 MUST BE
PHYSICALLY CLOSE
TO U3
HFBR-14X4
8
5
C11
0.1
8
U3
1
Figure 1. HFBR-4663 Schematic Diagram.
1
4
6
3
2
6
7
3
7
R1 10
5
4
HFBR-24X6
2
U1
C5 0.1
0.01
0.01
C3
C2
C1
0.1
1K
R14
C4 0.047
1
–VRF
R13
R12
00
0
100
1
1
C12
0.1
R8
18
17
21
26
25
22
23
8
4
±1%
TXOUT
TXV
LBDIS
C TIMER
VDC
VIN+
VIN–
VREF
VTHADJ
12
CC
HLMP-1790
1.5 K
R15
61.9 K
13
D2
±1%
R9
14
HFBR-4663
27
28
U5
HLMP-1790
24 20
1.5 K
R16
D3
1
16
19
15
HLMP-1700
9
1.5 K
COL–
COL+
R17
SQE
TX+
RX–
TX–
RX+
D4
11
10
3
2
7
6
5
C10
–VRF
+VRF
360
0.1
360
39
R3
R5
R7
NOTES:
1.
2.
3.
4.
HLMP-1719
R6 360
1.5 K
R4 39
ALL RESISTORS ±5% UNLESS OTHERWISE SHOWN.
ALL CAPACITORS ±10% UNLESS OTHERWISE SHOWN.
THE HFBR-4663 DATA SHEET (PUBLICATION #5091-7391E 4/93)
CONTAINS ERRORS THAT HAVE SUBSEQUENTLY BEEN
CORRECTED IN THIS SCHEMATIC.
ALL CAPACITORS ARE IN F.
R18
360
D5
R2
C6
22
1
C13
0.1
1
HLMP-1790
10
1.5 K
R19
3 K
6
D6
1
1
R10
VIN
1
2
7
8
4
5
U4
5
LM2574
16
15
10
U2
13
12
9
PE65728
4
HLMP-1700
1.5 K
R20
5 K
R11
OUT
D7
FB
1N5817
12
D1
3
V
470 H
CC
L1
±20%
470
C7
4.7 H
4.7 H
L2
L3
±20%
C8
10
10
11
12
13
14
15
1
9
2
3
4
5
6
7
8
DB 15
U12
0.1
C9
(+12 VOLTS
FROM AUI
CONNECTOR)
V
+VRF
–VRF
CC