China CATV FTTH 1550 Nm External Modulated Optical Transmitter

China CATV FTTH 1550 Nm External Modulated 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

Relying on the advantages of technology research and development in the field of 26mw 1310nm Optical Receiver, FTTH ONU, 8 Channel CWDM MUX and rich production experience, we can provide customers with one-stop comprehensive solutions such as product design and development, testing, mass production, and follow-up tracking services. With the increasingly fierce market competition, our company has higher and higher requirements for the comprehensive quality and professional knowledge of employees. We are never satisfied with the status quo, always have a corporate vision in mind, and constantly set new goals and new benchmarks. We constantly seek new development, and we pay attention to the improvement of technology and the renewal of equipment.

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)


We are well aware of the fact that our technology must be constantly improved for our China CATV FTTH 1550 Nm External Modulated Optical Transmitter to compete with other similar products. Stability is an important foundation for the survival and development of our company, thus we are committed to establishing a sound risk management system and internal control system with our characteristics to achieve sound development. We cultivate our employees' awareness of energy conservation, emission reduction and environmental protection, and contribute to environmental protection.

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