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Hotsale cofdm HT107-1 DVB-T Modulator
Hotsale cofdm HT107-1 DVB-T Modulator

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Hotsale cofdm modulator,HT107-1 DVB-T Modulator
1. Support 2K/8K carrier-wave operating mode
2.FEC encode supports1/2, 2/3, 3/

Hotsale cofdm modulator,HT107-1 DVB-T Modulator
1. Support 2K/8K carrier-wave operating mode
2.FEC encode supports1/2, 2/3, 3/ 

Outline

DVB-T Modulator support DVB-T standard channel coding and modulation parameters, A/V signal compressed and coded via MPEG-2 and be multiplexed and processed together with other data stream, then send to DVB-T Modulator. Modulator channel coding process is full according to DVB-T technical specifications and achieve energy proliferation, interweave, FEC coding, RS coding, symbol mapping, filter matching etc. After that modulated by COFDM and output IF. IF through built in up-converter generate the required RF output. Widely used for terrestrial digital television broadcasting, mobile data broadcast and digital broadband application.

 

Features

1:Comply EN300744 standard, support 6MHz/7MHz/8MHz bandwidth

   Error correction comply DVB-T standard

   Operable in QPSK, 16QAM, 64QAM mode

2:Support 2K/8K carrier-wave operating mode

    FEC encode supports1/2, 2/3, 3/4, 5/6 and 7/8

    Secure time interval supports1/4, 1/8, 1/16, 1/32

3: Input interface: ASI and SPI (DS3/E3 optional)

    Input bit rate: 1.5~31.67Mbps

    Output bandwidth: 6/7/8MHz

    RF output: 48~860MHz

   Output level: 105dBuV~115dBuV (step adjustable)

4: 188 and 204 packet automatic identification, shows real-time data format

     Adopt high capability buffer, ASI interface supports burst and equality TS, while re-construct equality TS

     Advance output TS efficiency

     Capable of NITmapping and sending, supports over 44 NIT mapping frequency

5:  Holds 10 groups of PID filtering and re-mapping function

     Support all PSI/SI data abstraction, modification and analysis

     Null packet filtering and filling.

6:  Performs multiple PCR correction simultaneously

     Monitor and test real-time enter/valid bit rate

     Self-adjust filter circuit design in order guarantees superb SNR (out of band)

7: -20dB RF test output is available (IF output is also available)

     Failure alarming and LCD display

    With RJ45, actualize central NMS, distant upgrade/maintenance (NMS software is optional)

 8: Power off memory

 

Specification

ASI interface

Input Connector

BNC 75Ω

Packet format

188 or 204 bits (without channel coding)

Access data rate     

270Mbps

Max valid bit rate

31.67Mbps

DVB standard

Support burst and equality TS

Loop output

Connector

BNC 75Ω

SPI input interface

Connector

DB-25female

Packet format

188 or 204 bits (without channel coding)

DVB standard

LVDS

IF interface

Input connector

BNC 50Ω

IF frequency

36MHz/35.25/36.15/44MHz (optional)

IF bandwidth

≤8MHz

Reflect loss

≥18dB

Input level

95dBuV(rms)

IF loop output

Connector

BNC 50Ω

IF frequency

36MHz/35.25/36.15/44MHz (optional)

IF bandwidth

≤8MHz

Reflect loss

≥18dB

output level

95dBuV(rms)

RF output

Output connector

BNC 75Ω

Output frequency

48MHz~860MHz (in segment)

Reflect loss

≥15dB

Output level

105dBuV~115dBuV (adjustable)

Carrier rejection

≥55dB

MER

≥42dB

SNR (out of band)

≥50dB

RF output for test

Connector

BNC 75Ω

Output level

85dBuV~95dBuV (adjustable)

Network management

 Ethernet

IEEE802.3 ETHERNET, RJ45 interface

Software protocol

SNMP protocol

Others

Power

165V~265VAC or 85V~265VAC 50Hz±2% 40W

Temperature

5~45(operating), -25~55(storage)

Humidity

10~75%

Dimension

483mm*400mm*44.5mm

E3/DS3 Interface (optional)

Input (G.703 standard)

Connector

BNC 75Ω

Packet format

188/204 bits

Bit rate

E3/DS3 No-frame format (34.368Mbps/44.736Mbps)

Output (loop)

Connector

BNC 75Ω

  We are a high technology enterprise which integrates the research, manufacture, sales and service of digital CATV products. And we have experience in providing total solutions of DVB-S,DVB-T and DVB-C systems.We can design,manufacture and debug.If you need the sort of the products,pls feel free to contact us.

 

 

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