Page Views: 151 Date Added: 03/11/2011 Last Updated: 03/11/2011 Expiry Date: 03/08/2021 Product/Service Details Over View QPSK6300 is a professional digital headend transcoder with high quality and stability, complies with DVB-S standards. It upconvert frequency signal into RF signal after the processing of RS encoding, scrambling, interleaving, I/Q modulator, wave filter, finally transmit the signal to any desired CATV or off-air output channel between 450-950MHz and 950-2150MHz. This QPSK modulator adapts the advanced FPGA digital signal technology, which greatly promote and optimize the RF output performance. It widely applications to DSNG and DVB-S netwok transmission. Key Features  According for DVB-S ETS 300-421 QPSK modulator standards  Adapts the FPGA technology  Input TS packet mode: 188/204  Variable symbol rate from 1 to 45 Mbaud/s  High quality of MER and phase noise  Support PSI/SI tables edition, PID filtering and remapping  SNMP management, real time remote control and diagnostics  L frequency agile 450-950MHz and 950-2150MHz  PID modifying and PSI/SI generating，支持最大44个频点的NIT表映射supports 44 frequencies NIT table reflection in Max  High reliability design, stable in running  采用超大缓存设计，支持ASI 突发和均匀输入码流，并对码流速率均匀重整，提高输出码流速率Adopt huge buffer memory design, supports ASI burst and consecutive input mode, realize to revise the output rate average, boost the output rate speed. Applications  DVB-S Headend  MMDS/MUDS microwave links  DSNG for uplink and downlink Technical Specifications Data Interfaces ASI  1 ASI Input,1 ASI loopback.  Accordance to EN50083-9  Connector: BNC,75ohm  Payload Bit Rate: ≤ 60 Mbps  Packet Format: 188/204 bytes DS3 (Option)  1 DS3 input,1 DS3 loopback  Full accordance to G.703 standard  Bit Rate: 44.736Mbps DS3, 34.368Mbps E2  Connector: BNC, 75ohm RF Interface RF Output  1x RF output  Connecter: F-type,75ohm  Output Frequency Range: 250-950MHz and 950-2150MHz,Step 1KHz  Phase Noise: ≤ -95dBc/Hz@10KHz  RF Level: 90~110 dBuV, in the step of 0.5dB, Level range from 0 to 20dB  Symbol Rate:0.1-45 Mbaud  Reflect loss: ≥ 15dB RF Test-point  1xRF output, Connector: F-type,75ohm  RF Level: -20dB Channel Encoding  Constellations: QPSK  MER: ≥ 40dB  BER: ≤ 0.5 x 10 -9  SNR: ≥ 45dB  FEC Encoding: According to DVB-S standard FEC and RS encoding Processing  PID filtering and modify  PCR de-jittering and re-correcting  PSI/SI modify and generation  Adjustable bitrate accordance to configuration reference Control Interface  10/100 BaseT Ethernet, RJ45, WEB, SNMP and OTA  6 keys: UP, DOWN, LEFT, RIGHT, ENTER and ESC  LED indicate light Environment  Power Supply: AC 90-250V 50/60Hz  Power consumption: 25W  Operating temperature: -10-50°C  Storage temperature: -10-75°C  Dimensions: 400mm (L) X483mm(W)X44mm(H)  Weight: 5kg

Company Information (Hangzhou dibsys technologies Co.,Ltd)

Company Profile: Hangzhou DIBSYS Technologies Co., Ltd is located in Hangzhou High-Technology Zone, Hangzhou City, Zhejiang Province, China. Integrates the design, manufacture, and sale of innovative products in the wireless and cable communication industry. We mainly focus on two markets currently: Digital Terrestrial TV Transmission (China standard,DVB-T/H ) Digital Cable TV Transmission (DVB-C standard) Our products mainly include China Digital Terrestrial TV Standard Equipment, such as DTMB Modulators and DTMB SFN Adapters, and Digital Cable TV Standard Headend Equipment, such as Multiplexers, MPEG2 Encoders, QAM Modulators, Scramblers, Network Adapters, Professional DVB-S Receivers, and more. Furthermore, we also design IPQAM Modulators, h264 Encoders, Statistic Multiplexers, and other new products. Each year, we continue to add more features for our products. Beyond standard products, we also offer customized products including OEM components and solutions. Technical core competencies: We boast strong staff of qualified electronic and software engineers and master engineers. With rich wealth of technical resources, we are capable of meeting the technical and service requirements for any scope of project. Our company will continue to invest heavily in the field in the future to ensure that new products will be developed, along with ongoing improvements for existing products. Solutions for some key international standards: DVB-C/DTMB/DVB-T Digital Channel Modulator: COFDM Terrestrial SFN and MFN Solutions such as DTMB and DVB-T Industrial relationships: Our partners cooperate with value-added resellers and system integrators around the world to complete network solutions with individual products and services. Our also offer technology and components for other equipment manufacturers: OEM services Re-branded platforms Engineering design and consulting services We can rapidly support the new market with emerging solutions and applications of any standard in time.. >> More Website URL: http://www.bridgat.com/u32156