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Optical Node, 1GHz Optical Node, AGC Optical Node manufacturer / supplier in China, offering CATV Outdoor Two Way Optical Receiver Manual, The Best China Saw Filter Modulator with High Quality, CATV Epon ONU (WEP-3201) Dd and so on.

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CATV Outdoor Two Way Optical Receiver Manual

Min. Order: 1 Piece
Port: Shanghai, China
Production Capacity: 10000PCS/Month
Payment Terms: L/C, T/T, D/P
Application: CATV Hfc
Type: Single-mode Fiber
Connection Structure: SC
Material Shape: Round Wire
Core: Single Core
Certification: RoHS, CE, ISO9001

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Basic Info.

Model NO.
Frequency Range
85 ~1003MHz
Optical Return Loss
Optical Receiving Wavelength
1100 ~ 1600
Optical Connector Type
FC/APC, Sc/APC or Specified by The User
Fiber Type
Single Mode
Receiving Optical Power
-9 ~ +2
Rated Output Level
≥ 108
Transport Package
Netrual or According to Customer′s Request
1. Product Summary
WR1004DM-B is our new high-class 4-way output CATV network optical receiver. The pre-amplifier adopts all-GaAs MMIC, post-amplifier adopts GaAs module. Optimized circuit design, coordinate with our 10 years design experience, the device achieve high performance index. The adjustment of RF attenuation and equalization both adopts adjustable attenuator inserter that makes the engineering debug very convenience. It is the main equipment to build CATV network.
2. Performance Characteristics
  1. Optical AGC control, when input optical power is -7~+2dBm, the output level, CTB, CSO basically unchanged.
  2. 10 bar LED optical power instructions, more accurately display the optical power.
  3. Optimized circuit design, the pre-stage adopts SMT processing, while post-stage adopts module amplify typical circuit, which make the RF signal linear more prefect.
  4. The adjustment of RF attenuation and equalization both adopts adjustable attenuator, which make the engineering debug more convenient.
  5. Power doubler output, high gain and low distortion.
  6. The forward path adds a high-pass filter, while the return path adds a high-pass filter and a low-pass filter, which effectively extend the NPR dynamic range of uplink.
  7. Return emission can select burst mode to sharply decrease the noise convergence and reduce the forepart receiver number.
3. Technique Parameter
3.1 Link testing conditions
The performance parameters of this manual according to the measuring method of GY/T 194-2003 <Specifications and methods of measurement on optical node used in CATV systems>, and tested in the following conditions.
Testing conditions:
  1. Forward optical receive part: with 10km standard optical fiber, passive optical attenuator and standard optical transmitter composed the testing link. Set 59 PAL-D analog TV channel signal at range of 45/87MHz~550MHz under the specified link loss. Transmit digital modulation signal at range of 550MHz~862/1003MHz, the digital modulation signal level (in 8 MHz bandwidth) is 10dB lower than analog signal carrier level. When the input optical power of optical receiver is -1dBm, the RF output level is 108dBμV, with 6dB output tilt, measure the C/CTB, C/CSO and C/N.
  2. Return optical transmit part: Link flatness and NPR dynamic range are the link indexes which is composed of backward optical transmitter and backward optical receiver.
3.2 Technique Parameters
ItemUnitTechnical Parameters
Forward  part
Optical  Parameters
Receiving Optical PowerdBm-7 ~ +2
Optical Return LossdB>45
Optical Receiving Wavelengthnm1100 ~ 1600
Optical Connector Type FC/APC, SC/APC or specified by the user
Fiber Type Single Mode
Link Performance
C/NdB≥ 51 (-1dBm input)
C/CTBdB≥ 65Output Level 108dBμV
EQ 6dB
C/CSOdB≥ 60
RF Parameters
Frequency RangeMHz45 ~862/1003 (or specified by the user)
Flatness in BanddB±0.75
Fixed slopedB2±0.5
Rated Output LeveldBμV≥ 108
Max Output LeveldBμV≥ 110
Output Return LossdB≥14
Output ImpedanceΩ75
ATT dB0~15
Return  Part
Optical  Parameters
Optical Transmit Wavelengthnm1310±10, 1550±10 or specified by the user
Output Optical PowermW0.5, 1, 2
Optical Connector Type FC/APC, SC/APC or specified by the user
RF  Parameters
Frequency RangeMHz5 ~ 65 (or specified by the user)
Flatness in BanddB±1
Input LeveldBμV72 ~ 85
Output ImpedanceΩ75
General Performance
Power VoltageVA: AC (150~265)V; B: AC (35~90)V
Operating TemperatureºC-40~60
Storage TemperatureºC-40~65
Relative Humidity%Max 95% non-condensing
ConsumptionVA≤ 30
Dimensionmm240 (L)×240 (W)×150 (H)
  Note: The forward RF parameters are tested under the condition of using NEC module in the last stage. Use other module, the parameters will be slightly different.

Burst Mode (Select this mode, see below)
Optical Output Power
(Close the burst mode)
dBm -30
Laser Turn On ThresholddBμV≥70
Laser Turn Off Threshold dBμV≤62
Laser Turn On Time (t1)us0.5≤ t1 ≤1
Laser Turn Off Time (t2)us0.5≤ t2 ≤1.5

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CATV Outdoor Two Way Optical Receiver Manual
CATV Outdoor Two Way Optical Receiver Manual
Production Process
CATV Outdoor Two Way Optical Receiver Manual


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