Sell QPSK Modulator

Model No.:TLQP-3
Product Origin:China
Brand Name:TELECAST
Price Terms:
Payment Terms:T/T
Certification:
Description:Features: 1) QPSK modulator 2) Compliant with ETS 300 421, (DVB-S) 3) Symbol rate up to 30MS/s 4) Bit rate up to 48Mbit/s 5) DVB-ASI or optional DVB-SPI Transport Stream input 6) Automatic Transport Stream adaptation 7) IF output: (optional frequencies up to 2700 MHz) 8) User-friendly local control with front panel display and keypad 9) RS232 remote control interface 10) Stand-alone unit, 1 rack unit high Applications: 1) Digital microwave link IF modulator 2) Satellite uplink IF modulator (DVB-S) 3) CATV - MMDS Specifications: 1) Modulation scheme: QPSK (ETS 300 421 DVB-S) 2) IF output frequency 70 Hz (optional: frequencies up to 2700MHz) 3) Input digital interface DVB - ASI (BNC socket) option: DVB - SPI 4) Output level: -5 ±2dBm 5) Output impedance and connector 50ohm L16 socket 6) Bit rate: Up to 48.382MB/s 7) Symbol rate: up to 30MS/s 8) Baseband shaping (roll-off): 35% 9) Foward Error Correction (FEC) encoding 10) Code rate: 1/2, 2/3, 3/4, 5/6, 7/8 selectable 11) Outer code: Reed Solomon (204, 188, T=8) 12) Interleaving: Convolutional, I=12 13) Data scrambling: Per ETS 300 421 Physical and operating: 1) Power Supply 220V AC ± 10% 50/60Hz 2) Operating temperature range: 0°C to 45°C 3) Housing rack drawer: 19", 1 rack unit QAM Modulator (TLQM-3): QAM Modulator CATV digital head-end, receives DVB transport streams which come from a coder, multiplexer, DVB gateway, scrambler, video server etc. It performs signal processing such as RS coding, convolution interleaving and QAM modulating, and provides IF/RF output. Features: 1) Complying DVB standard signal channel coding 2) Support full range variable data rate, bandwidth and QAM mode data stuffing 3) PID filter, re-reflection, PSI,SI information synchronal updating possible 4) Automatically code stream stuffing and empty pocket deleting 5) Code stream real-time monitoring, empty pocket filtering 6) Supports NIT table modifying 7) PCR adjusting, output symbol rate variable:1-7MS/s 8) Fixed or agile channel output 9) Providing DVB ASI/SPI code stream interface 10) Providing RF output monitoring port(-20dB) 11) Local or Remote administration possible 12) LCD display, flexible in operating 13) High reliability design, stable in running Specifications: 1) Modulating mode: 16, 32, 64, 128, 256 QAM 2) Symbol rate: 2 ~ 7Mbaud/s 3) Correction coding: RS coding 204 4) Input data rate: 1.5 ~ 51Mbps 5) Channel data rate: 20 ~ 56Mbps IF output: 1) IF channel: 35.25 / 36.15 / 36.65 / 70MHz (optional) 2) Output level: 100dBmV 3) Impedance: 50Ω / 75Ω Miscellaneous: 1) Dimensions: 19", 1 rack unit standard structure 2) Temperature: 0 ~ 45°C (operating) -20 ~ 80°C (storage)