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GBB-7820G Datasheet(PDF) 2 Page - Optoway Technology Inc

Part No. GBB-7820G
Description  1310 nm TX / 1550 nm RX , 5V / 1.25 Gbps Single-Mode WDM Gigabit Interface Converter (GBIC)
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Manufacturer  OPTOWAY [Optoway Technology Inc]
Direct Link  http://www.optoway.com.tw
Logo OPTOWAY - Optoway Technology Inc

GBB-7820G Datasheet(HTML) 2 Page - Optoway Technology Inc

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Optoway
GBB-7820G
***********************************************************************************************************************************************************************
***********************************************************************************************************************************************************************
OPTOWAY TECHNOLOGY INC. No.38, Kuang Fu S. Road, Hu Kou, Hsin Chu Industrial Park, Hsin Chu, Taiwan 303
Tel: 886-3-5979798
Fax: 886-3-5979737
E-mail: sales@optoway.com.tw
http: // www.optoway.com.tw
12/1/2005 V2.0
2
Transmitter Specifications (0
oC < Topr < 70oC, 4.75V < Vcc < 5.25V)
Parameter
Symbol
Min
Typ
Max
Units
Notes
Optical
Optical Transmit Power
Po
-8
---
-3
dBm
1
Output Center Wavelength
λ
1280
1310
1350
nm
Output Spectrum Width
∆λ
2
nm
RMS (σ)
Extinction Ratio
ER
9
dB
Optical Rise Time
tr
0.26
ns
20% to 80% value
Optical Fall Time
tf
0.26
ns
20% to 80% value
Relative Intensity Noise
RIN
-120
dB/Hz
Total Jitter
TJ
227
ps
2
Max. Po at TX-Disable Asserted
-35
dBm
Electrical
Differential Input Voltage
VIH - VIL
0.65
2.0
Vp-p
Transmit Fault Load
TX-FAULTLOAD
4.7
10
3
Transmit Fault Output-Low
VTX-FAULT-L
0.0
0.5
V
Transmit Fault Output-High
VTX-FAULT-H
Vcc – 0.5
Vcc + 0.3
V
TX-Disable Input - Low
VTX-DISABLE-L
0
0.8
V
TX-Disable Input - High
VTX-DISABLE-H
2.0
Vcc + 0.3
V
TX-Disable Assert Time
t_off
10
µs
TX-Disable Negate Time
t-on
1
ms
Time to initialize, includes reset
of TX-FAULT
t-int
300
ms
TX FAULT from fault to
assertion
t-fault
100
µs
TX-Disable time to start reset
t-reset
10
µs
Notes: 1. Output power is power coupled into a 9/125
µm single mode fiber.
2. Measured with a 2
7-1 PRBS.
3. Pull-up resistor on host Vcc.
Receiver Specifications (0
oC < Topr < 70oC, 4.75 V < Vcc < 5.25V)
Parameter
Symbol
Min
Typ
Max
Units
Notes
Optical
Sensitivity
---
---
---
-22
dBm
4
Maximum Input Power
Pin
-3
---
dBm
4
Signal detect – Hysteresis
1.0
---
dB
Wavelength of Operation
1480
1500
nm
5
Optical Return Loss
ORL
12
dB
RX-LOS – Asserted
Pa
---
---
-22
dBm
Transition: low to high
RX-LOS – Deasserted
Pd
-31
---
---
dBm
Transition: high to low
Electrical
Differential Output Voltage
VOH - VOL
0.37
2.0
Vp-p
Data Output Rise Time
TrRX-DAT
0.35
ns
Data Output Fall Time
TfRX-DAT
0.35
ns
RX-LOS of Light Load
RX-LOSLOAD
4.7
10
6
RX-LOS Output Voltage --- Low
VRX-LOS-L
0
0.5
V
RX-LOS Outpu Voltage --- High
VRX-LOS-H
2.4
Vcc
V
RX-LOS Assert Time (off to on)
TA,RX-LOS
100
µs
RX-LOS Deassert Time (on to off)
TD,RX-LOS
100
µs
Notes: 4. Minimum sensitivity and saturation levels at BER=1E-12 for a 2
7-1 PRBS.
5. At least 30 dB optical isolation for the wavelength 1260 to 1360 nm.
6. Pull-up resistor on host Vcc.


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