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1 Products availableLeading Manufacturer, Supplier & Retailer of External Modulated Transmitter, Node Cum Transmitter, Integrated Receiver Decoder, SD Encoder and Qam Modulator.
Sharp Vision1550nm Externally Modulated Optic Transmitter adopts narrow bandwidth (0.65 MHz), low noise DFB Laser. It is used in very large CATV Systems for distribution of 1550nm signal to cable systems in different cities, colonies.
A mix of analog and digital channels can be transmitted upto 200Km with the help of EDFA and dispersion compensation.
FEATURES
- Frequency : 47 860 MHz- Excellent C/N, CSO & CTB- SMPS (110 260 VAC, 50Hz)- SBS Suppression upto +16 dBm- Low Noise Distortion Free Performance
MODELS
Cable operators getting optic signal from a MSO can use Node Cum Transmitter for converting optic signal ( 0 to -9dBm) into 10 dBm optic signal & RF signal for local distribution. It is 3 in 1. It is slightly hold.
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MODELS
CATV Power Supply Super Modelare designed to give full current with built in power inserter and short circuit protection. They can provide Power Pass voltage (current) through RF cables to drive amplifiers and Nodes in CATV networks.
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MODELS
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8 in 1 Encoder/Modulator is an all-in-one device integrated encoding multiplexing and modulation functions in one standard 1U case. It can convert 8 CVBS signals and 1 ASI input to DVB-C/T RF out in the frequency range of 30960MHz. It is also equipped with 2 ASI ports and IP port to output TS in MPTS or SPTS.
The signals source could be from satellite receivers, closed-circuit television cameras and etc. its output signal is to be received by DVB-C/T standard TVs or DVB-C/T STBs.
The device can be used in public place such as metro, market hall, theatre, hotels, resorts, etc for advertising. It also can be used for monitoring, training and educating in company, schools, campuses, hospital.
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NLW Transmitter1550nmproduces Laser with Narrow Line Width. This helps in launching high optical power in Fiber cable without degradation in picture quality. All NLW transmitter incorporates SBS controlled DFB laser source which avoids adding noise during Long Transmission. Such produced SBS controlled Laser Beam when amplified with EDFA can take Laser Modulated signal to 50km in 4 different directions.
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In a RF power pass trunk line if the signal is to be converted into optical for longer transmission, the solution is LX Transmitter.
LX Transmitter amplifies the RF signal before conversion into optical. This amplification helps as one will get higher RF level when the optical signal is converted back into RF (after the Node).
FEATURES
Sharp VisionOptic transmitters are based on DFB Technology for transmission of optic signal at 1310nm & 1550nm for Multi Channel CATV Transmission. They are most suitable for HFC networks as they economize and optimize the Broad Band Network and increase reliability and stability.
The DFB technology along with RF pre-distortion circuit have been incorporated to achieve excellent C/N performance -Anecessity for Cable TV network.
Sharp VisionTransmitters incorporate automatic power control coupled with temperature stabilization provided by a thermo electric cooler, which ensures maximum performance and Longer Laser Module Life.
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Sharp Vision offers unique AGC (Automatic Gain Control) Node which are useful for franchise cable operators who get OFC (Optic Fiber Cable) connection from MSO. Even if the optical signal drops down , the RF output level after AGC Node will remain constant.
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High sensitivity: -11 dBmGood Flatness: + 0.75 dBPower pass voltage: 30 60 VACRF Frequency Range: 40 860 MHzOptical wavelength: 1290 1600 nmAGC range: +2 dBm to -9 dBmMains supply: 220 VAC + 10%, 50 Hz
Cable operators having two fiber optic connections can use 2 Fiber Node OX 757 for Automatic Selection of the second (secondary) Fiber Optic Connection in case of failure of First (primary) connection.
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Node Cum Supply is a node with RF output coming out having 60V/2Amp supply. This supply is used for driving amplifiers by providing RF signal & PP voltage.
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Optic Node converts even weak Optic signals to a high quality RF signal. LED BAR Optic Level Display has been provided for ease of system maintenance. They are best suitable for Analog as well as Digital transmission to maintain BER, MER characteristics.
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| Models | Sensitivity | RF O/P at 0 dBm |
| OX 734 | -11dBm | 110 dBµV |
| 4 Output Node | ||
| OX 733 | -13dBm | 113 dBµV |
| Triple IC Node | ||
| OX 732 | -11dBm | 110 dBµV |
| Double IC Node | ||
| OX 731 | Very high CNR | 80 dBµV |
OX 752 & OX 755 are high quality Nodes with rust proof metal housing. There is a four LED optic level display for ease of system maintainance.
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Sharp Visioneconomic range of optic receivers have a high level of Grounding, Sensitivity and Reliability. Most suitable for medium and small Cable TV Networks.
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DC Node cum Amplifier System is required in areas with frequent power failures or areas with Solar Generated Power.
DC Node cum Amplifier Systems consists of:
These nodes and amplifiers have the capability of taking DC Input supply from multiple sources.
FEATURES
- -15dBm sensitivity- Operates with DC/SOLAR Supply- Node with Optic Level Meter- 105 dBV Output Level- 40 900 MHz- DC power pass-Low Power Consumption
Outdoor Optic Nodes are in Aluminium Die Cast housing. They incorporate Push Pull Hybrid IC technology for very high sensitivity and high output level and are suitable of HFC network.
FEATURES
CATV Power supply DX modelsare specially designed to give full current with an automatic short circuit protection. An Ampere meter indicates the output current.Many output of power supply help in dividing the current at the source itself.
Power Inserter:The use of external power inserter helps in avoiding hum interface in RF Signals. This is an essential requirement for large CATV networks.
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Die cast Channel Combiner / Splitter are water proof , have high isolation & flat frequency response. These are used for combining or splitting CATV signal with perfection.
Technical Note:
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Power Divider are used for splitting (dividing) the IF signal from LNB for feeding signal to satellite receivers. They arefully shielded with Low insertion loss, High isolation & Flat response for distribution of Satelite signal.
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AC stopper is installed in RF branch & trunk line to stop PP voltage, high voltage spikes to protectSTB, TV sets, Amplifiers and Nodes against High voltage spikes. The male RF connector is useful as it can be directly mounted at the input of these devices.
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Channel Trap is capable of removing the channels ( CH2 / CH2&3 / Band-I or as required) from a trunk cable carrying many channels without disturbing other channels. The cable operator can add other programs on the same channels in the trunk cable using RF Modulators and RF Combiner for further distribution.
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Cable operator getting RF feed from MSO can select a group of channels by using Band Pass Filter to add their own channel.Thereby the new mix of channels (digital & analog) is of his choice.This filter is a set of two. The group of channels to be tuned in filter is as per the requirement of the cable operator.
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Optic Control Panel (OCP) is used in Control Room for placing patch cords, couplers so that branching out of fiber signal (dBm) can be designed as per the requirement of MSO.
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Accessories provided:
Joint Enclosure is suitable for holding Splicing, Patch cords & Splitters.
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Edge Optical Line Terminal (OLT) are located at MSO/LCO Head End andtransmits data at 1490nm & receives at 1310nm wavelength. This signal passes through Splitters and can serve 64 customers upto a distance of 20km with one of its ports.
Sharp VisionEdge Optical Line Terminal (OLT) incorporate GPON-i technology & have many advance feature, for example - Network profile can be made for user identification and the bandwidth allocation for individual identified ONU.
Edge-OLT's GEPON-i Functions:
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Mega Fast Ethernet GEPON-iONU. It is most popular for FTTH deployments. It's 4 Mega Fast Ethernet ports in one Unit can be used for multiple application:
Port-1 for W-Fi Router
Port-2 for LAN (or directly to PC)
Port-3 for IPTV / STB
Port-4 for CCTV IP Camera
(Note: Any port can be used for any above of the suggested applications)
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SFP (GEPON-i) are optical transceiver (Transmitter cum Receiver) with built in 1GEPON ONU. They are pluggable into EPON slots ofSharp VisionEdge Optical Line Terminal for interface with Ethernet switches, routers & ONU in the network.
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Kirti Nagar, Delhi 
