BEL APC78164

ADSL CPE Hybrid
APC78164
OPERATING TEMPERATURE -40°C TO +85°C
FEATURES
•
APC 78164 is designed to interface with Alcatel’s MTK 20150 transceiver chip set (AFE Chip
20154), and EL1510C Line Driver, to optimize CPE (customer premises equipment designs).
•
The hybrid contains all of the components required between the AFE chip and the line connector including the line
interface transformer, common mode choke, longitudinal line protection circuitry and transmit and receive filters.
Excluding Line Driver and non-inverting I/P Capacitors.
•
The hybrid is designed to meet the requirements of safety per IEC60950 - reinforced Isolation.
•
The hybrid is designed to meet the requirements of Telcordia GR-1089 Surge and AC Power Fault.
BLOCK DIAGRAM
8
Pin 1
TIP
Pin 11
EL1510C PIN 7
(OUTB)
Pin 2
RING
Pin 12
EL1510C PIN 6
(INB-)
Pin 3
TXP
Pin 13
N/C
Pin 4
TXN
Pin 14
EL1510C PIN 3
(INA+)
Pin 5
AGND - TX
Pin 15
EL1510C PIN 1
(OUTA)
Pin 6
N/C
Pin 16
EL1510C PIN 2
(INA-)
Pin 7
AGND - RX
Pin 17
LINE PWR 1
Pin 8
RXP
Pin 18
LINE PWR 2
Pin 9
RXN
Pin 19
N/C
Pin 10
EL1510C PIN 5
(INB+)
Pin 20
FIELD GROUND
Rx Filter
9
17
1
20
TNV SELV
Side Side
Line
Protection
Circuitary
Common
Mode
Choke
Line Interface
Transformer
2 to 4 wire
conversion
2
18
Tx Filter
3
4
5
10
11
12
14
15
16
SEE NOTE 2.
1) ALL TRACES BETWEEN APC PINS 10 AND 14 AND ELANTEC LINE DRIVER PINS 3 AND 5 RESPECTIVELY MUST
BE KEPT SYMMETRICAL, PARALLEL AND EQUIDISTANT.
2) APP DIAGRAM SHOWS LOCATION OF 2 X 4 .7NF CAPACITORS TO BE ADDED EXTERNALLY.
MECHANICAL
51.26
33
48.26
33.02
1
9
29.7
12
5.4
18
10
2.54
©2003 Bel Fuse Inc. Specifications subject to change without notice. 05.20.03
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
Page 1