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COFDM Modulator

In addition to COFDM modulation, the COFDM Modulator combines with demodulator, DVB multiplexer and scrambler (option). - more info check here: http://www.telecomarticles.com/COFDM-Modulator-10023690/

Quick Brief

Place of Origin: Hubei China (Mainland) Brand Name: BOY digital TV products: front-end

Product Features:

In addition to COFDM modulation, the COFDM Modulator combines with demodulator, DVB multiplexer and scrambler (option).

Business Terms:

Payment Terms: T/T,Western Union

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COFDM Modulator
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Specifications and Product Details:

COFDM(DVB-T)Modulator

In addition to COFDM modulation, the COFDM Modulator combines with demodulator, DVB multiplexer and scrambler (option). Supports 1 tuner input and 2 ASI inputs, and then Re-Multiplex, scramble and modulates the input signal to COFDM (DVB-T) signal. High-performance MER, CNR, phase jitter and phase PER.

Features

1 tuner input, supports DVB-C, DVB-T, DVB-S, DVB-S2 (option)

2 independent TS inputs(option)

3 input (1 tuner input, 2 independent TS streams input) multiplexing functions (option)

Encrypt media contents by DVB-CSA, support simulcrypt

Advanced PSI/SI processing and PCR correction

Static PID filtering

Supports DVB-T ETSI/EN 300 744 standard

Network management Support

Specifications

DVB-C QAM Demodulation

Input Symbol Rate 1 — 7MS/s (PAL), 1 — 6MS/s (NTSC)

Constellation 16/32/64/128/256QAM

Bandwidth 6M or 7M or 8M

Input Frequency 50 — 860MHz

Input Level -25 — 20dBmV

Input Impedance 75Ω, IEC Female (7/8MHz) or F Female (6MHz)

DVB-T COFDM Demodulation

Demodulation Mode COFDM

Constellation QPSK, 16-QAM, 64-QAM

Bandwidth 8 MHz

FFT Mode 2K/8K

Guard Interval 1/4, 1/8, 1/16, 1/32, off

FEC Code Rate 1/2, 2/3, 3/4, 5/6, 7/8

Input Frequency 470 — 862MHz, 174 — 230MHz

Input Level -70 — -20dBmV

Input Impedance 75Ω, IEC Female (7/8MHz) or F Female (6MHz)

DVB-S QPSK Demodulation

Input Frequency 950 — 2150MHz

Input Level -65dBm — -25dBm

Input Impedance 75Ω, F-female

Symbol Rate 2 — 45MBauds (SCPC or MCPC)

Rolling off Factor 0.35

FEC Code Rate 1/2, 2/3, 3/4, 5/6, 7/8

DVB-S2 Demodulation (Compatible with DVB-S)

Input Frequency 950 — 2150MHz

Input Level -65dBm — -25dBm

Input Impedance 75Ω, F-female

Symbol Rate 1 — 45MBauds (8PSK)

Constellation 8PSK/QPSK

FEC Code Rate DVB-S2: 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10

DVB-S: 1/2, 2/3, 3/4, 5/6, 7/8

Multiplexing

Advanced PSI/SI regeneration and editing

PID and Service ID mapping, PCR correction

Static PID filtering

Support EPG/DBC insertion

Support receiving data from the Ethernet and multiplexing into TS stream

High performance with input and output bit-rates up to 200Mbit/s

ASI input packet length 188/204 bytes Self-adapting

Scrambling

Support scramble nominated program or transport stream

Encrypt media contents by DVB-CSA

Support Simulcrypt Mode and multicrypt CA systems

Input valid rate 1 — 60Mbps

Generation of scrambling control words, the minimum scrambling period is 5 seconds

Adaptive Bit Rate, PCR correction

Scrambling up to 100 programs at one time, support PID scrambling

Processing of PSI/SI

COFDM Modulation

Constellation QPSK, 16QAM, 64QAM

Output Frequency (Frequency Agility) 45 — 860MHz, Step by 100 KHz

Output Level 85 — 113dBμV, Step by 0.5dB

FEC Code Rate 1/2, 2/3, 3/4, 5/6, 7/8

FFT Mode 2K/4K/8K

Guard Interval 1/4, 1/8, 1/16, 1/32

Interface

TS Input BNC, 75Ω

RF Input F-female, 75Ω

TS Output BNC, 75Ω

IF Monitor Output BNC, 75Ω

RF Output F-female, 75Ω

Network Interface Ethernet interface ( RJ45, 10/100M adaptive )

General

Operating Temperature 5°C to 45°C

Storage Temperature -25°C to 80°C

Humidity 10% — 75%

Power Supply AC90 — 260V, 50/60Hz

Power 40W

Dimension 483 × 300 × 44mm

Weight 3kg

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