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參數(shù)資料
| 型號： | FTR-1319-5A-2.5 |
| 元件分類： | 光收發(fā) |
| 英文描述： | FIBER OPTIC TRANSCEIVER, REPEATER, 1270-1355nm, 2500Mbps(Tx), 2500Mbps(Rx), PANEL MOUNT |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 163K |
| 代理商： | FTR-1319-5A-2.5 |
FTR-1319-5A-2.5 Product Specification
F i n i s a r
Finisar Corporation 01/08/2004 RevB
Page 3
IV. High Speed Electrical Interface
All high speed PECL signals are AC coupled internally.
Low Speed Signal Parameters
Parameter
Symbol Min
Typ
Max
Units Notes/Conditions
RX_LOS Assert Level
--
-30
-26
-22.5
dBm 2.5Gb/sec operation.
RX_LOS Deassert Level
--
-29.5
-24
-22
dBm 2.5Gb/sec operation.
RX_LOS Hysteresis
--
0.5
2
dB
RX_LOS Assert Delay
t_loss_on
44
100
sec From detection of loss of signal
to assertion of RX_LOS
RX_LOS Negate Delay
t_loss_off
44
100
sec From detection of presence of
signal to negation of RX_LOS
TX_DISABLE Assert Time
t_off
5
10
sec Rising edge ot TX_DISABLE to
fall of output signal below 10%
of nominal
TX_DISABLE Negate Time
t_on
63
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
TX_FAULT Initialize Time
t_init
300
msec From power on after VCC > 4.5
V
TX_FAULT Assert Time
t_fault
100
sec From occurrence of laser fault.
Table 4. Low speed signal parameters
High Speed Electrical
Interface
Parameter
Symbol Min
Typ
Max
Units
Notes/Conditions
Data Input Voltage
Vin
650
2000
mV
PECL differential peak - peak
Data Output Voltage
Vout
600
2000
mV
PECL differential peak - peak
Duty Cycle
--
50
%
Transmit rise/fall
Tr,Tf
50/130
160
psec
20%-80% transmitter optical
output, measured with 12GHz min.
BW receiver.
Receiver rise/fall
RTr, RTf
90
160
psec
20%-80% receiver output
measured with 20GHz scope.
Bit Error Rate
BER
10-12
error/sec PRBS 27 - 1 test data pattern
Tx Input Impedance
Zin
75
ohm
Rx Output Impedance
Zout
75
ohm
Table 5. High speed electrical interface
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