FTM7939EK [FUJITSU]
Fiber Optic Emitter;
FUJITSU 
Low Drive Voltage
SFF 40Gbps LN Modulator
General Descriptions
• 40Gbps Mach-Zehnder modulator using Ti-diffused
LiNbO3 waveguide technology
• Small Size: 64mm package length
• Low drive voltage: Max. 3.5V at 43 Gbps in Single drive
• Separated DC bias port
• Built-in monitor PD for auto bias control
• RoHS compliant
• Applications:
- 40Gbps DWDM optical transmission systems
- Measurement equipment for high speed telecommunications
Specifications
Part Number
FTM7939EK
Modulation Format
NRZ/ODB(*1)/DPSK
Optical Bandwidth (-3dB)
Operating Wavelength
Driving Voltage (Vπ) @40Gbps
Extinction Ratio at Low Frequency
Insertion Loss
> 25 GHz
1530 to 1610 nm
< 3.5 V
> 20 dB
< 8.0 dB
α Parameter (Typ.)
0
50 ohm
RF impedance (Typ.)
Operating Case Temperature
Package size
-5 to 75 ºC
64 x 10 x 7.0 mm/2.52 x 0.39 x 0.27 inches
*1) ODB=Optical Duo-Binary
RF performance
Mechanical Dimension
0
-3
-6
-9
0
10
20
30
40
50
Frequency(GHz)
0
-10
-20
-30
0
10
20
30
40
50
Frequency(GHz)
Fujitsu Optical Components Limited
Sales Department, Sales & Business Development Division
1-1 Kamikodanaka 4-chome, Nakahara-ku, Kawasaki, 211-8588, Japan (Company Mail No. H0913)
Tel: +81-44-754-3086, Fax: +81-44-754-3598
E-mail: optmdl-sales2@ml.css.fujitsu.com
http://jp.fujitsu.com/foc/en/
Specifications are subject to change without prior notice.
November, 2011
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