BTMA OPLINK Communications Inc., BTMA Datasheet
BTMA
Manufacturer Part Number
BTMA
Description
Bi-directional Integrated Tap Monitor Arrays
Manufacturer
OPLINK Communications Inc.
Datasheet
1.BTMA.pdf
(2 pages)
Bi-directional Integrated TAP
Monitor Arrays
Oplink’s Bi-directional Integrated Tap Monitor Array (BTMA) is assembled using individual
Bi-directional Integrated Tap Monitor (BTMS) to guarantee no optical or electrical cross-
talk among different channels. BTMS is a hybrid component that integrates a flat spectral
response of a thin-film tap with a high sensitivity PIN photodiode for power monitoring
applications. The Bi-directional feature allows power monitoring from input or output
ports. BTMA minimizes component assembly costs and module footprint while increasing
module design efficiency by facilitating fiber management.
Each BTMS in the BTMA integrates the functionality of an optical tap and a photodiode
while delivering low insertion loss and low dark current with high temperature stability
over a wide wavelength range. BTMA is compact and easy to mount on PCB board for
module and network system use. Applications include DWDM channel power monitoring,
optical network switching/protection monitoring, re-configurable optical add/drop multi-
plexers, and gain/attenuation monitoring in amplifier systems.
Oplink can provide customized designs to meet specialized feature applications. Also,
Oplink offers modular assemblies that integrate other components to form a full function
module or subsystem.
Functional Diagram
Product Description
BTMA Series
Performance
Parameters
Operating Wavelength Range
Through
Tapped
Monitoring
PD
Conditions
Fiber Type
Insertion Loss (@λop, Top, All SOP, Exclude
Connectors)
Polarization Dependent Loss
Return Loss
Responsivity
Power at Input Port)
Responsivity Polarization Dependence
Uniformity
PD Dark Current (@ 70°C, -5V bias)
Bandwidth (50 ohm, 5V, -3dB)
Reverse Voltage
Forward Current
Input Optical Power
Operating Temperature Range
Storage Temperature Range
Specificationns
1
(Relative to Nominal
Input
(<85%RH, Non-condensing)
(<85%RH, Non-condensing)
PD
10%
10%
10%
2%
5%
2%
5%
2%
5%
1260 ~ 1360 1510~1610
52 ~ 110
10 ~ 23
26 ~ 59
-40
-0
Corning SMF-28
Specification
Output
≤ 0.4
≤ 0.6
≤ 0.9
≤ 0.1
≤ 0.1
≤ 0.5
≥ 0.5
≥ 45
≤ 10
≤ 20
≤ 21
≤ 16
≤12
≤ 5
70 ~ 120
14 ~ 26
36 ~ 65
+70
+85
mA/W
Unit
dBm
GHz
nm
mA
nA
dB
dB
dB
dB
dB
°C
°C
V
Features
Flat and Broad Operating
Low Insertion Loss and PDL
Low Dark Current
Various Tap Ratio Available
High Temperature Stability with
Monitor Optical Signal from One
Applications
Add/Drop and Optical Protection
DWDM/CWDM Systems
Notes:
1)
where ℜ stands for responsivity.
Directivity is defined as -10 log(ℜ
Wavelength Range
Hermetically Sealed Photodiode
Direction Only
Monitoring
S0135 - R01 (web). 20100111
O
ut
→PD
/ ℜ
I
n
→PD
)
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BTMA Summary of contents
Page 1
... Each BTMS in the BTMA integrates the functionality of an optical tap and a photodiode while delivering low insertion loss and low dark current with high temperature stability over a wide wavelength range. BTMA is compact and easy to mount on PCB board for module and network system use. Applications include DWDM channel power monitoring, optical network switching/protection monitoring, re-configurable optical add/drop multi- plexers, and gain/attenuation monitoring in amplifier systems ...
Page 2
... No. of Channal Tap Ratio 2/98 channels= 04 5/95 channels= 08 10/90 channels= 10 RoHS: 1. BTMA is RoHS 5 compliant (RoHS permitted Lead in solder exemption is applied). 2. Add “G” to the end of the above PN for RoHS 6 Requirement. Product Lines: Mux/Demux Switching/Routing Bi-directional Integrated TAP Monitor Array ...