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Hangzhou Huatai Optic Tech. Co., Ltd.

Ftth Optical Receiver, Digital Tv Optical Receiver, Ultra-Low Optical Receiver manufacturer / supplier in China, offering FTTH Digital TV Ultra-Low Optical Receiver (H9122LG), L-Band Variable Gain EDFA (HA6500), C+L-Band Line-Amplifier EDFA (HA7200) and so on.

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Supplier Homepage Product FTTx CATV Optical Receiver FTTH CATV Optical Receiver FTTH Digital TV Ultra-Low Optical Receiver (H9122LG)

FTTH Digital TV Ultra-Low Optical Receiver (H9122LG)

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Basic Info
  • Model NO.: H9122LG, H9122LG/WD, H9122LG/WF
  • Name: FTTH Digital TV Ultra-Low Optical Receiver
  • Flatness: </=+-0.75dB
  • Return Loss: >=14dB
  • Cnr1: 54.4dB
  • Certification: CE
  • Trademark: Guangtai
  • Condition: New
  • Optical Return Loss: >=55dB
  • Output Level Adjust: 0~18dB
  • Output Port Number: 1
  • Cnr2: 48.8dB
  • Approved: 3rd Part Certification
  • Origin: China
Product Description
FTTH Digital TV Ultra-low Optical Receiver
H9122LG, H9122LG/WD, H9122LG/WF


Product description
Huatai Huatai H9122LG, operating bandwidth of 47 ~ 862MHz, is a suitable digital television FTTH applications, ultra-low optical receiver, it has a very high receiver sensitivity. Due to the built-in optical AGC, at high optical power receiver, played limiting output, so H9122LG in the received optical power over a large dynamic range of +2 dBm ~-21dBm, and have excellent properties.
H9122LG for Analog TV, in Pin =-10dBm when, Vo ≥ 82dBμ V, CNR ≥ 45dB.
H9122LG for Digital TV, in Pin =-16dBm when, Vo ≥ 80dBμ V, MER ≥ 36dB.
H9122LG for Digital TV, in Pin =-21dBm when, Vo ≥ 70dBμ V, MER ≥ 28dB.
Digital TV FTTH applications, the H9122LG can save a lot of optical fiber amplifier power resources. For operators, can greatly reduce the cost of building the network. Suitable for rural power digital TV, FTTH, triple play of wide application.
H9122LG optical port mode with following three types optional:
H9122LG: Operating wavelength 1260~1620nm.
H9122LG/WD: Built-in CWDM, suitable for single-fiber triple wavelength system, RFTV
Operating wavelength 1550nm, passwavelength 1310/1490nm, can conveniently connect the ONU of EPON, GPON.
H9122LG/WF: Built-in 1310/1490nm filter, suitable for single-fiber triple wavelength system, RFTV operating wavelength 1550nm.

Product feature
1. Extra high receive sensitivity, Pin= -21dBm, MER≥ 28dB
2. Wide dynamic receiving optical power range: Within Pin=+2dBm~-21dBm, MER≥ 28dB
3. Can save a large number of optical power resource, greatly reduce the network
Configuration cost
4. Within 47~862MHz bandwidth, all with excellent flatness feature (FL≤ ± 0.75dB)
5. Metal case, offer safeguard for optoelectronic sensitive devices
6. Low consumption, high performance, high reliability
7. Excellent cost performance in area

Main application
1. Digital TV FTTH
2. Integration of three networks
3. FTTH PON
Performance Index Supplement
Optic feature CATV work wavelength (nm) 1260~1620 H9122LG
1540~1563 H9122LG/WF, H9122LG/WD  
Pass wavelength (nm) 1310, 1490 H9122LG/WD
Channel Isolation (dB) ≥40 1550 &1490nm
Responsibility (A/W) ≥0.85 1310nm
≥0.9 1550nm
Receiving power (dBm) +2 ~ -10 Analog TV (CNR>45dB)
+2 ~ -21 Digital TV(MER>28dB)
Optical return loss (dB) ≥55  
Optical fiber connector   SC/APC H9122LG, H9122LG/WF
LC/APC H9122LG/WD
RF feature Work bandwidth (MHz) 47 ~ 862  
Flatness (dB) ≤±0.75 47 ~ 862MHz
Output level (dBμV) >88 Analog TV (Pin=+2.0~-8.0dBm)
>82 Digital TV (Pin=-15dBm)
ALC(AGC) character ( ΔVo ) (dB) ≤±1.0 Pin=+2.0~-8.0dBm
Output level adjust (dB) 0 ~ 18 MGC
Return loss (dB) ≥14 47 ~ 862MHz
Output impedance (Ω) 75  
Output port number   1  
RF tie-in   F-Female F-male optional
Analog TV Link feature Test channel CH 59CH(PAL-D) NTSS/80CH
OMI (%) 3.8  
CNR1 (dB) 54.4 Pin=-2dBm
CNR2 (dB) 48.8 Pin=-7dBm
CTB (dB) ≤-70 Pin:0~ -10dBm
CSO (dB) ≤-65 Pin:0~ -10dBm
Digital TV Link feature MER (Note) (dB) ≥37 Pin:+2~-13.0dBm
≥36 Pin:-16dBm
  ≥28 Pin=-21dBm  
BER (dB) <1.0E-9 Pin : -21.0~+2.0dBm
General feature Power supply (V) DC+12V ±1.0V
Power Consume (W) ≤3 +12VDC, 210mA
Work temp (º C) -20 ~ +50  
Storage temp (º C) -40 ~ 85  
Work relative temp (%) 5 ~ 95  
Size (mm) 59×98×23 (W)×(D)×(H)
Product Groups
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