10021970 [JDSU]
2.5 Gb/s Bias-Free Modulator with Integral Attenuator; 2.5 GB / S BIAS -FREE调制器，衰减器积分
| 型号： | 10021970 |
| 厂家： | 
JDSU |
| 描述： | 2.5 Gb/s Bias-Free Modulator with Integral Attenuator |
| 文件： | 总4页 (文件大小：111K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
COMMUNICATIONS COMPONENTS
2.5 Gb/s Bias-Free Modulator with Integral Attenuator
Key Features
• Bias-free operation for fast transmitter development and
manufacturing
• Built-in 20 dB variable optical attenuator
• Single package for less splicing, lower overall insertion
loss and more usable board space
• 1535 to 1565 nm operation; L-band versions available
• Low drive voltage; compatible with commercial drivers
• Low chirp for maximum transmission distance (>1000 km)
• Voltage-controlled lithium niobate attenuator provides
proven high reliability
Applications
The 2.5 Gb/s bias-free modulator with integral attenuator combines a modulator
and a 20 dB variable attenuator within one small-outline package, simplifying
component count and fiber splicing. The bias point of the interferometer is set to
operate at about the half-intensity point (quadrature). A bias control circuit is not
required. The attenuator is based on proven integrated optical waveguide
technology, making it highly reliable. The modulator provides superior signal
quality over a wide range of wavelengths in the C and L bands, and can be used to
modulate tunable lasers. These devices are used for 2.5 Gb/s modulation and
dynamic power leveling in dense wavelength division multiplexing (DWDM)
systems.
• Medium- and long-haul DWDM
transmission requiring dynamic
optical power leveling
• Transmitters with limite component
space
NORTH AMERICA: 800 498-JDSU (5378)
WORLDWIDE: +800 5378-JDSU
WEBSITE: www.jdsu.com
2.5 GB/S BIAS-FREE MODULATOR WITH INTEGRAL ATTENUATOR
2
Typical Performance Characteristics
Typical Frequency Response Curve, S21
Typical Return Loss Curve, S11
0.00
-2.50
0
-2
-4
-5.00
-7.50
-10.00
-12.50
-15.00
-17.50
-20.00
-6
-8
-10
-12
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Frequency (GHz)
Frequency (GHz)
Dimensions Diagram
(Specifications in inches [mm] unless otherwise noted.)
.157 [3.99]
(2) PLCS
7.9 [200]
39.4 2.0
[1000 50]
MINIMUM
BARE FIBER
.287 [7.30]
3.047 [77.39]
(2) PLCS
.09 [2.2]
DATE
MODEL NUMBER
S/N XXXX
OUT
IN
0
VDC MAX
ATTENUATOR
DC BIAS INPUT
MZ1 INPUT
+24 dbm MAX
MZ2 INPUT
.77 [19.7]
(2) PLCS
.200[5.08]
(6) PLCS
5.2 .2 [131.4 5.1]
PIN DIA .020
(2) PLCS
PIN DIA .020
(2) PLCS
7.9 [200]
39.4 2.0
[1000 50]
MINIMUM
PIN DIA .012
PIN DIA .012
TOP VIEW
BARE FIBER
.30 [7.6]
.15 [3.7]
.149 [3.78]
(2) PLCS
.143 [3.63]
BOTTOM OF PINS
(6) PLCS
"X" DENOTES REV LETTER
.433 [11.00]
.19 [4.9]
.30 [7.6]
10020289"X"
.500 [12.70]
.15 [3.7]
(2) PLCS
.655 [16.64]
.060 [1.52]
LEFT SIDE VIEW
.855 [21.72]
1.947 [49.44]
2.047 [51.98]
2.147 [54.52]
2.300 [58.42]
RIGHT SIDE VIEW
3.622 [92.01]
FRONT VIEW
2.5 GB/S BIAS-FREE MODULATOR WITH INTEGRAL ATTENUATOR
3
Specifications
Parameter
Specification
General
Material
Lithium niobate
Crystal orientation
Waveguide process
Optical
x-cut, y-propagating
APE/titanium-indiffused
Operating wavelength
Insertion loss, no connectors (note2)
On/off extinction ratio, low frequency
Optical return loss
Electrical
1535 to 1565 nm
≤6.5 dB
≥20 dB
≥50 dB
RF port
Drive voltage, V peak-to-peak, at 2.5 Gb/s PRBS (note3)
3.6 V typical
≤3.7 V
Vπ at 100 kHz (note3)
S21 electro-optic bandwidth (-3 dBe) (note1, 3)
≥2.5 GHz
S11 return loss
0.03 to 2.5 GHz (note3)
RF input power
≤-9.5 dB
≤24 dBm
|α|<0.2
Chirp, alpha parameter
Attenuator port
Vπ at DC
≤5.0 V
Impedance
≥1 MΩ
Mechanical
Input
Fujikura SM-15-P-8/125-UV/UV-400
Output (note4)
RF connection
Bias connection
Environmental
Operating temperature
Storage temperature
SMF-28
Pins
Pins
0 to 65 °C
-40 to 85 °C
1. Relative to 30 MHz.
2. Insertion loss is measured at the maximum of the modulator’s transfer function and does not include the 3 dB loss incurred when operating at quadrature.
3. Variances with temperature and wavelength included.
4. PM output fiber also available.
2.5 GB/S BIAS-FREE MODULATOR WITH INTEGRAL ATTENUATOR
Ordering Information
For more information on this or other products and their availability, please contact your local JDSU account manager or
JDSU directly at 1-800-498-JDSU (5378) in North America and +800-5378-JDSU worldwide or via e-mail at
customer.service@jdsu.com.
Sample: 10021970
Product Code
10021970
10021971
Description
2.5 Gb/s modulator with integral attenuator and no optical connectors
2.5 Gb/s modulator with integral attenuator and FC/SPC optical connectors
Note: Other connectors available upon special request. Call JDSU for more information.
SMF-28 and Fujikura SM-15-P-8/125-UV-400 are registered trademarks of Corning Incorporated.
All statements, technical information and recommendations related to the products herein are based upon information believed to be
reliable or accurate. However, the accuracy or completeness thereof is not guaranteed, and no responsibility is assumed for any
inaccuracies. The user assumes all risks and liability whatsoever in connection with the use of a product or its application. JDSU reserves
the right to change at any time without notice the design, specifications, function, fit or form of its products described herein, including
withdrawal at any time of
a product offered for sale herein. JDSU makes no representations that the products
herein are free from any intellectual property claims of others. Please contact JDSU for more information. JDSU and the JDSU logo are
trademarks of JDS Uniphase Corporation. Other trademarks are the property of their respective holders. ©2006 JDS Uniphase
Corporation. All rights reserved. 10116236 Rev. 001 05/06 25GBFMVOA.DS.CC.AE
NORTH AMERICA: 800 498-JDSU (5378)
WORLDWIDE: +800 5378-JDSU
WEBSITE: www.jdsu.com
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