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參數(shù)資料
| 型號： | S3040 |
| 廠商： | APPLIEDMICRO INC |
| 元件分類： | 數(shù)字傳輸電路 |
| 英文描述： | OC-48 Clock Recovery Unit(OC-48時鐘恢復單元) |
| 中文描述： | CLOCK RECOVERY CIRCUIT, CQCC28 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大小： | 78K |
| 代理商： | S3040 |
1
EV3040
EV3040
OC-48 CLOCK RECOVERY UNIT EVALUATION BOARD
OC-48 CLOCK RECOVERY UNIT EVALUATION BOARD
August 13, 1999
DESCRIPTION
The S3040 evaluation board provides a flexible plat-
form for verifying the operation of AMCC OC-48
clock recovery units. This document provides infor-
mation on the board contents and layout. It should
be used in conjuction with the S3040 data sheet,
which contains full technical details on the chips op-
eration.
The S3040 evaluation board is factory configured
with the S3040 device, and includes a test point to
monitor the LOCKDET output. The board can be
configured with either the on-board ECL crystal os-
cillator or with an external oscillator connected via
the REFCLKP/N connectors.
Power Connections
Terminal posts are provided at the top edge of the
board allowing separate control of voltage levels for
the S3040 itself. The serial input is terminated on the
chip, and capacitive bypass to ground is provided on
the board. For operation with standard test equip-
ment, the board should be operated below ground,
with the VEE supply at -5V DC.
Figure 1. Evaluation Board Top View
SERCLKON
OFF
1
2
3
4
SERCLKOP
SERDATON
SERDATOP
GND S3040
VEE (-5V)
LOCKDET
GND
L
R
R
E
O
(
S
B
N
GND
0.01
0.01
GND
1
SERDATIN
SERDATIP
S3040
ELECTRICAL CONNECTIONS
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