Transcript
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ZP-6405 DVB-T Modulator V2
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ZP-6405 DVB-T Modulator V2 Summary
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ZP-6405 DVB-T Modulator modulator converts input data streams into frequency
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signals, it meets DVB-C standard. Signals from MPEG-II compact encoder or
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multiplexer was sent into DVB-T modulator. According to DVB-T standard, such as
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FEC, interlacing, RS error correction encoding, etc. After IF processing and
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up-converting into the range of TV channels, signals can be transmitted through HFC
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and MMDS networks. It’s widely used in digital TV, data broadcasting, VOD, Internet,
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Main Feature
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video conference eSV.
Meet EN300744 standard; support 6MHz/7MHz/8MHz band width
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Error correction follows DVB-T standard
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Operable in QPSK, 16QAM, 64QAM mode
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Support 2K/8K carrier-wave operating mode, COFDM
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FEC encode supports 1/2、2/3、3/4、5/6 and 7/8
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Input interface: ASI and SPI（DS3/E3 optional）
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Input bit rate::1.5～31.67Mbps
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Output band width：6/7/8MHz
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RF output：48～860MHz
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Output level：105dBuV～115dBuV(step adjustable)
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188 and 204 packet automatic identification; shows real-time data format
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Secure time interval supports 1/4、1/8、1/16、1/32
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high capability buffer; ASI interface supports burst and equality TS, while
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ZP-6405 DVB-T Modulator V2
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re-construct equality TS.
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Capable of NIT mapping and sending; supports over 44 NIT mapping frequency
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Holds 10 groups of PID filtering and re-mapping function
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Support all PSI/SI data abstraction, modification and analysis
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Capable of swiSVhing/inserting SI data
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Null packet filtering and filling
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Performs multiple PCR correction simultaneously
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Monitor and test real-time enter/valid bit rate
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Self-adjust filter circuit design in order guarantees superb SNR (out of band)
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-20dB RF test output is available (IF output is also available)
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Failure alarming
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LCD display
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With RJ45, actualize central NMS, distant upgrade/maintenance (NMS software is
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optional)
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Power off memory
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Advance output TS efficiency
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4、Technical Specification
BNC
Impedance
75Ω
Packet format
188 or 204 bits (without channel coding）
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31.67Mbps
DVB standard
supports burst and equality TS
Connector
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Max valid bit rate
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Loop output
270Mbps
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Access data rate
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Connector
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Input
(Asynchronous Serial interface)
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4.1.1 ASI Interface
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Data Interface 4.1、Data 4.1
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ZP-6405 DVB-T Modulator V2 75Ω
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Impedance
DB-25 female
Packet format
188 or 204 bits（without channel coding）
DVB Standard
LVDS
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Connector
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4.1.2 SPI input interface (Synchronous Parallel interface)
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4.2 IF interface
Impedance
50Ω
IF frequency
36MHz/35.25/36.15/44MHz（optional）
IF Bandwidth
≤8MHz ≥18dB
Input level
95dBuV(rms)
Connector
BNC
Impedance
50Ω
IF frequency
36MHz/35.25/36.15/44MHz（ optional ）
IF Bandwidth
≤8MHz
Reflect loss
≥18dB
Output level
95dBuV(rms)
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4.3 RF interface
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Reflect loss
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IF loop output
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IF input
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BNC
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Connector
Impedance
75Ω
Output Frequency
48MHz～860MHz（in segment）
Reflect loss
≥15dB
Output level
105dBuV～115dBuV(adjustable)
Carrier rejection
>55dB
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≥42dB
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BNC 75Ω
Output level
85dBuV～95dBuV(adjutable)
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Impedance
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RF output for test
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Connector
≥50dB
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SNR（out of band）
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RF output
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BNC
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Connector
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ZP-6405 DVB-T Modulator V2
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4.4 Channel signal encoding QPSK，16QAM，64QAM RS encode, DVB standard
FEC encoding
1/2、2/3、3/4、5/6、7/8
RS encoding
204byte mode
IFFT
2K/8K
Secure time interval
1/4、1/8、1/16、1/32
MER
≥44dB
SNR(out of band)
≥50dB
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Channel encoding
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Constellation
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SNMP protocol
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Software protocol
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IEEE802.3 ETHERNET, RJ45 interface
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ETHERNET
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4.5 Network management interface
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4.6 Power supply
Frequency
50Hz±2%
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40W
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Power consumption
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165V～265VAC or 85V～265VAC
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Voltage
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4.7 Operation environment ＋5°C～45°C
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Operation temperature
－25°C～+55°C
Relative humidity
10～75%
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Storage temperature
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4.8 Radiation and safety
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Up to GB13837-92 and GB8898-88
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Dimension: 44.5mm(1U)*483mm*(19”)*400mm
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4.9 Mechanic characteristics
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ZP-6405 DVB-T Modulator V2
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4.10 Weight
4.11 E3 /DS3 Interface (optional)
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6kg
BNC
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Connector
75Ω
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Packet format
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Impedance Input （G.703 standard）
E3/DS3 No-frame format (34.368Mbps/44.736Mbps)
Connector
BNC
Impedance
75Ω
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Bit rate
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Output（loop）
188/204 bits
