參數(shù)資料
型號(hào)： FTL-1621-57
元件分類(lèi)： 光收發(fā)
英文描述： FIBER OPTIC TRANSCEIVER, 1564-1577nm, 2700Mbps(Tx), 2700Mbps(Rx), PANEL MOUNT
封裝： ROHS COMPLIANT PACKAGE-20
文件頁(yè)數(shù)： 4/9頁(yè)
文件大?。?/td> 91K
代理商： FTL-1621-57
FTL-1621-XX CWDM GBIC
Product Specification – February 2007
F i n i s a r
Finisar Corporation February 2007 Rev.B
Page 4
IV. High Speed Electrical Interface
All high-speed PECL signals are AC coupled internally.
Parameter
Symbol
Min
Typ
Max
Units Notes/Conditions
RX_LOS Assert Level
--
-42
-39
dBm
Measured on Finisar Eval Card
RX_LOS Deassert Level
--
-37
-32
dBm
Measured on Finisar Eval Card
RX_LOS Hysteresis
--
1.0
dB
Measured on Finisar Eval Card
RX_LOS Assert Delay
t_loss_on
100
sec From detection of loss of signal
to assertion of RX_LOS
RX_LOS Negate Delay
t_loss_off
150
sec From detection of presence of
signal to negation of RX_LOS
TX_DISABLE Assert Time
t_off
1000
sec Rising edge ot TX_DISABLE to
fall of output signal below 10%
of nominal
TX_DISABLE Negate Time
t_on
1000
sec Falling edge of TX_DISABLE
to rise of output signal above
90% of nominal
TX_DISABLE Reset Time
t_reset
10
sec TX_DISABLE HIGH before
TX_DISABLE set LOW
Table 4. Low speed signal parameters
Parameter
Symbol
Min
Typ
Max
Units
Notes/Conditions
Data Input Voltage
Vin
650
2000
mV
PECL differential peak - peak
Data Output Voltage
Vout
370
2000
mV
PECL differential peak - peak
Duty Cycle
--
50
%
PECL rise/fall
Tr,Tf
150
psec
20%-80% Differential
Bit Error Rate
BER
10
-12
PRBS 2
23 - 1 test data pattern
Tx Input Impedance
Zin
75
ohm
Singled ended impedance
Rx Output Impedance
Zout
75
ohm
Singled ended impedance
Table 5. High speed electrical interface
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