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參數(shù)資料
| 型號： | CA16B2Fnn |
| 英文描述： | CA16-Type 2.5 Gbits/s DWDM Transponder with 16-Channel 155 Mbits/s Multiplexer/Demultiplexer |
| 中文描述： | CA16型2.5 Gb /秒的DWDM轉(zhuǎn)發(fā)器，16通道155 Mbits /秒復(fù)用器/解復(fù)用器 |
| 文件頁數(shù)： | 14/30頁 |
| 文件大?。?/td> | 464K |
| 代理商： | CA16B2FNN |
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14
Agere Systems Inc.
CA16-Type 2.5 Gbits/s DWDM Transponder with
16-Channel 155 Mbits/s Multiplexer/Demultiplexer
Advance Data Sheet
March 2001
Functional Description
(continued)
Transponder Interfacing
(continued)
TxR
EF
C
LK
P/N
The T
X
R
EF
C
LK
input is different than the other inputs to
the transmitter because it is internally terminated, ac-
coupled, and self-biased. Therefore, it must be treated
differently than the T
X
D and PIC
LK
inputs. Differentially,
the input impedance at this input is 100
, but due to
the way it is biased internally, when driven single-
ended, the impedance appears as 60
. The proper
termination scheme for the T
X
R
EF
C
LK
input is shown in
Figure 4.
Figure 4. Interfacing to the TxRefClk Input
INTERFACE
IC
(V
CC
= 3.3 V)
PLL
CLOCK
SYNTHESIZER
MULTIPLEXER
CA16 TRANSPONDER
TXREFCLKP
TXREFCLKN
50
TRANSMISSION LINES
DIFFERENTIAL INTERFACE
C
1
3
3
SONET/SDH
INTERFACE
IC
(V
CC
= 3.3 V)
PLL
CLOCK
SYNTHESIZER
MULTIPLEXER
CA16 TRANSPONDER
TXREFCLKP
TXREFCLKN
50
TRANSMISSION LINES
SINGLE-ENDED INTERFACE
C
6
3
0.1
μ
F
3
FOR A SINGLE-ENDED INPUT,
THE INPUT IMPEDANCE IS
EQUIVALENT TO 60
.
SONET/SDH
LVPECL
LVPECL
1-1084 (F).c
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