參數(shù)資料
型號(hào): 9863
廠商: Intel Corp.
英文描述: Advanced 10/100 Umnmanaged Repeater
中文描述: 高級(jí)10/100 Umnmanaged直放站
文件頁數(shù): 37/56頁
文件大小: 719K
代理商: 9863
Advanced 10/100 Unmanaged Repeater
LXT9883/9863
Datasheet
Document #: 249115
Revision #: 003
Rev. Date: 08/07/01
37
4.2.8
Clock
A stable, external 25MHz reference clock source (TTL) is required to the CLK25 pin. The
reference clock is used to generate transmit signals and recover receive signals. A crystal-based
clock is recommended over a derived clock (i.e., PLL-based) to minimize transmit jitter. Refer to
Table 18
for a list of recommended oscillators and to
Table 21 on page 44
for clock timing
requirements.
-35
dB
60 to 100 MHz
Return Loss - standard
-16
dB
30 MHz
-10
dB
80 MHz
Table 17. LXT98x3 Magnetics Specifications
Parameter
Min
Nom
Max
Units
Test Condition
Table 18. Oscillator Manufacturers
Manufacturer
Part Number
Frequency
CTS
MXO45 / 45LV
25 MHz
Epson America
SG-636 Series
25 MHz
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