2
Optoway
BTRS-7920CG
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-20
85
oC / BTRS-7920ACG
air flow 1m/sec
Mb/s
Data Rate
1250
1300
280
Power Supply Current
Icc
mA
Transmitter Specifications (0oC < Topr < 70oC, 3.13V < Vcc < 3. 47V)
Parameter
Symbol
Min
Typ
Max
Units
Notes
1
Optical
Optical Transmit Power
Output Center Wavelength
Output Spectrum Width
Extinction Ratio
Po
l
σl
ER
-8
-3
1500
1
dBm
nm
nm
1480
-20 dB Width
9
dB
Output Eye
Compliant with IEEE 802.3z
Optical Rise Time
tr
tf
0.26
0.26
ns
ns
20% to 80% Values
20% to 80% Values
Optical Fall Time
Relative Intensity Noise
Total Jitter
RIN
TJ
-120
0.227
dB/Hz
ns
2
Electrical
Data Input Current – Low
Data Input Current – High
Differential Input Voltage
Data Input Voltage – Low
Data Input Voltage -- High
Disable Input Voltage -- Low
Disable Input Voltage -- High
Shut Off Time for TxDis
IIL
-350
mA
mA
mV
V
IIH
350
1600
-1.58
-0.74
0.8
VIH - VIL
VIL - VCC
VIH - VCC
VTDIS,L
VTDIS,H
tDIS
300
-2.0
3
3
-1.1
0
V
V
TX Output Enabled
TX Ouput Disabled
Vcc – 1.3
Vcc
1
V
ms
Notes: 1. Output power is power coupled into a 9/125 mm single mode fiber.
2. Measured with a 27-1 PRBS.
3. These inputs are compatible with 10K, 10KH and 100K ECL and LVPECL inputs.
Receiver Specifications (0oC < Topr < 70oC, 3.13 V < Vcc < 3.47V)
Parameter
Symbol
Min
Typ
Max
Units
Notes
Optical
Sensitivity
---
Pin
Pa
---
-3
---
---
---
---
---
---
-22
---
-22
---
dBm
dBm
dBm
dBm
dB
1
Maximum Input Power
Signal Detect -- Asserted
Signal Detect -- Deasserted
Signal detect -- Hysteresis
Wavelength of Operation
Optical Return Loss
Transition: low to high
Transition: high to low
Pd
-31
1.0
1260
20
1360
nm
2,3
ORL
dB
Electrical
Data Output Voltage Swing
SD Output Voltage -- Low
SD Output Voltage -- High
Signal Detect Assert Time
Signal Detect Deassert Time
V
OH – VOL
VOL
0.575
0
0.930
0.8
V
V
VOH
2.0
Vcc+0.3
100
V
ASMAX
ANSMAX
ms
ms
OFF to ON
ON to OFF
300
Notes: 1. Minimum sensitivity and saturation levels at BER 1E-12 for a 27-1 PRBS.
2. At least 30 dB optical isolation for the wavelength 1480 to 1500 nm.
3. At least 30 dB optical isolation for the wavelength 1550 to 1600 nm.
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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 10/1/2009 V3.0
OPTOWAY [ OPTOWAY TECHNOLOGY INC ]
