1550nm CATV Fiber External Optical Transmitter

1550nm CATV Fiber External Optical Transmitter

ST1550 series Advanced type Externally Modulated CATV optical transmitter adopts low noise, narrow bandwidth, and continuous wave laser as its light source.
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Product Introduction

In order to further improve and stabilize the quality of our products, we have determined the policy of ensuring the quality of our Outdoor CATV Splitters, 4 Way Return Path Outdoor Optical Receiver, Xpon Wifi Router with first-class work quality. The reason why our company can respond to the market quickly is that we take strong product research and development ability and high-quality production capacity as the cornerstone. We adhere to meet the requirements of customers through the first-class quality, satisfactory service and continuous improvement of the quality concept. We always insist on protecting the environment, saving resources and promoting harmony with the environment. We have a good reputation, rich experience, competitive price, best service and a strong sales network.

Summary

1550 External transmitter uses high linearity LiNbO3 external modulator to modulate signal. It eliminates the Chirp Effect of 1550nm direct modulation laser. Due to adopting owned system optimized control technology & using top grade key parts , the machine’s technique performance index achieves the standard of same advanced products in the world totally.


Optical Transmitter Display

1550 External transmitter

 Parameter for 1 output

Performance

IndexSupplement

Optic 

feature

Operating wavelength(nm)1540~1563
ITU-TG.692
Wavelength adjustable range(nm)±1.6 (±200GHz)
Wavelength adjustable mode
±0.05nm stepping
Linewidth(MHz)≤1FWHM(Δλ)
Side mode suppression ratio(dB)≥45SMSR
Equivalent noise intensity(dB/Hz)≤-160RIN (20~1000MHz)
Output power(dBm)1×5Optional 1×3, 1×6, 1×7
Return loss(dB)≥55
optical fiber connector
SC/APCOptional FC/APC,LC/APC

RF

feature

Work bandwidth(MHz)47-86247~1000, 47~1080 optional
Input level(dBmV)18~28AGC
Flatness(dB)≤±0.7545~862MHz


≤±1.5862~1000MHz (optional)
Return loss(dB)>16
Input impedance(Ω)75
RF port
F-Female

Link 

feature

Transmit channel
PAL-D/60CH  PAL-D/99CH
CNR1(dB)≥52  ≥50.5Back to back
CNR2(dB)≥50.5 ≥4950Km optical fiber, 0dBm receive
CTB(dB)≤-65   ≤-65
CSO(dB)≤-65  ≤-65
SBS restrain(dBm)13
General featureSNMP network management interface
RJ45
Communication interface
RS232
Power supply(VAC)90~26550/60Hz
(VDC)-4830~72
Power Consume(W)≤50Single power works
Operating temp.(°C)0~50Machine temp. control automatically
Storage temp.(°C)-40~85
Operating relative humidity(%)5~95
Size(")19×14.5×1.75 (W)x(D)x(H)

Parameter for 2 output

Performance

Index
Wavelength ADJ. Range(nm)±1.6 (±200GHz)
Wavelength ADJ. Mode
±0.05nm stepping
Side mode suppression ratio(dB)≥45
Equivalent noise intensity(dB/Hz)≤-160
Input level(dBmV)18~28
Input impedance(Ω)75
RF connector
F-Female
SNMP NM interface
RJ45
Communication interface
RS232
Linewidth(MHz)Typ.=0.65
Output power(dBm)2*3,2*5, 2*6, 2*7, 2*9, 2*10, 2*11 optional
Return loss(dB)≥50

Company Info

Company Information

If you have any questions or want to get more inforamtion, just contact with:

WhatsApp/Wechat/Line: + 86 184 5798 0817  (Helena Chen)
Email/Skype:softel12@softel-optic.com  (Helena Chen)


In the face of the growing market needs, we will continue to dedicate quality 1550nm CATV Fiber External Optical Transmitter to the society with new technology and new design. We are willing to meet the different needs of customers with more products, better quality and better price, and warmly welcome new and old customers to visit and negotiate with us. We will spare no effort to establish a good brand reputation and a solid emotional bond with consumers.

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