GBS-72120G Datasheet, PDF (2/4 Pages) Optoway Technology Inc – 5V / 1550 nm / 1.25 Gbps Single-Mode Gigabit Interface Converter (GBIC)

Optoway
2
GBS-72120G
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Transmitter Specifications (0^oC < Topr < 70^oC, 4.75V < Vcc < 5.25V)
Parameter
Symbol
Min
Typ
Max
Units
Notes
Optical
Optical Transmit Power
Output Center Wavelength
Output Spectrum Width
Side Mode Suppression Ratio
Po
λ
∆λ
SMSR
0
1500
---
30
---
1550
---
5
1580
1
dBm
1
nm
nm -20 dB Width
dB
Extinction Ratio
Coupled Power Ratio
E_R
9
CPR
9
---
dB
dB
Optical Rise Time
t_r
Optical Fall Time
t_f
Relative Intensity Noise
RIN
0.26
ns
20% to 80% value
0.26
ns
20% to 80% value
-120
dB/Hz
Total Jitter
TJ
227
ps
2
Max. Po at TX-Disable Asserted
-35
dBm
Electrical
Differential Input Voltage
Transmit Fault Load
Transmit Fault Output-Low
Transmit Fault Output-High
TX-Disable Input - Low
TX-Disable Input - High
TX-Disable Assert Time
TX-Disable Negate Time
V_IH - V_IL
TX-FAULT_LOAD
V_TX-FAULT-L
V_TX-FAULT-H
V_TX-DISABLE-L
V_TX-DISABLE-H
t_off
t-on
0.65
4.7
0.0
Vcc – 0.5
0
2.0
2.0
Vp-p
10
kΩ
3
0.5
V
Vcc + 0.3
V
0.8
V
Vcc + 0.3
V
10
µs
1
ms
Time to initialize, includes reset
t-int
of TX-FAULT
TX FAULT from fault to
t-fault
assertion
TX-Disable time to start reset
t-reset
10
300
ms
100
µs
µs
Notes: 1. Output power is power coupled into a 9/125 µm single mode fiber.
2. Measured with a 2⁷-1 PRBS.
3. Pull-up resistor on host Vcc.
Receiver Specifications (0^oC < Topr < 70^oC, 4.75 V < Vcc < 5.25V)
Parameter
Symbol
Min
Typ
Max
Units
Notes
Optical
Sensitivity
---
---
---
-32
dBm
4
Maximum Input Power
Signal detect – Hysteresis
Pin
-9
---
dBm
4
1.0
---
dB
Wavelength of Operation
1100
---
1600
nm
Optical Return Loss
RX-LOS – Asserted
RX-LOS – Deasserted
ORL
Pa
Pd
12
dB
---
---
-32
dBm Transition: low to high
-42
---
---
dBm Transition: high to low
Electrical
Differential Output Voltage
V_OH - V_OL
0.37
2.0
Vp-p
Data Output Rise Time
Tr_RX-DAT
0.35
ns
Data Output Fall Time
RX-LOS of Light Load
Tf_RX-DAT
RX-LOS_LOAD
4.7
0.35
ns
10
kΩ
5
RX-LOS Output Voltage --- Low
V_RX-LOS-L
0
0.5
V
RX-LOS Outpu Voltage --- High
V_RX-LOS-H
2.4
RX-LOS Assert Time (off to on)
T_A,RX-LOS
Vcc
V
100
µs
RX-LOS Deassert Time (on to off)
T_D,RX-LOS
100
µs
Notes: 4. Minimum sensitivity and saturation levels at BER=1E-12 for a 2⁷-1 PRBS.
5. Pull-up resistor on host Vcc.
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OPTOWAY TECHNOLOGY INC. No.38, Kuang Fu S. Road, Hu Kou, Hsin Chu Industrial Park, Hsin Chu, Taiwan 303
Tel: [phone]
Fax: [phone]
E-mail: [e-mail] http: // www.optoway.com.tw 12/1/2005 V2.0