多制式数字信号发生器USB2.0
Ventus 2.0 是一款使用 USB 2.0 的便携式多标准信号发生器。它支持所有常见的地面广播到卫星信号。使用T-PUMP(随附软件)可以很容易地从一种调制切换到另一种调制。

30 MHz 至 2.5 GHz
Ventus 2.0 可以发出 30 MHz 至 2.5 GHz 的信号。
多制式 DTV/DAB 调制
许多调制都可以播放。包括:ATSC、DVB-T/H、DVB-S2、DVB-T2、DVB-C、DTMB、DAB/DAB+/T-DMB、ISDB-T/B、开放式电缆、CMMB、ATSC MDTV、DAB+/DMB多路复用器。
功率放大器和衰减器
基础款Ventus 2.0 配备 -20dBm 的固定信号功率。通过添加衰减器,您可以将功率从-110dBm扩展到+7dBm。
坚固高效的设计
Ventus 2.0 采用无风扇散热设计。它具有出色的移动性和紧凑的设计。
DVB ASI-In (Base Line Frame)
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DVB-ASI (INPUT)
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Parameter
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Value
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|
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Buffer
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8 MB
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|
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Connector type
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BNC (75Ω)
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DVB ASI-Out (Base Line Frame)
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DVB-ASI (OUTPUT)
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Parameter
|
Value
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|
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Buffer
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8 MB
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|
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Connector type
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BNC (75Ω)
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RF Upconverter Specification
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RF OUT
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Input Voltage
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1 V p-p
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Input Impedance
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50 Ω
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Power Requirement
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DC 12V (1.3A), DC 5 V (910mA)
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RF Out Frequency
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30 MHz ~ 2.5 GHz
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Range
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-20 dBm
(+7dBm ~ -110 dBm under 1GHz & +3 dBm ~-110 dBm above 1 GHz to 2.5 GHz)
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Resolution
|
0.1 dB
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Accuracy
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± 1 dB
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Connector
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SMA (50Ω)
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|
Spurious
|
>60 dB
|
|
Phase Noise
|
-95 dBc @ 10 KHz offset
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ATSC-MDTV Modulation Specification (Optional)
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Multiplex
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|
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RS Frame Mode
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Single Frame, Dual Frame
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SCCC Block Mode
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Separate Block Mode
Paired Block Mode
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SCCC Bitrate
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1/2, 1/4
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RS Coding
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(211,187), (223,187), (235,187)
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|
Support
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Service file (IP format)
Ensemble file (IP format)
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Modulation
|
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Modulation Mode
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8-VSB (ATSC and ATSC -MDTV)
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|
Symbol Rate
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10.76 Ms/s
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|
Spurious
|
>60 dB
|
|
Phase Noise
|
-95 dBc @ 10 KHz offset
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DVB-T/H Modulation Specification (Optional)
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Modulation
|
|
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Modulation Mode
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QPSK, 16 QAM, 64 QAM
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|
Transmission Mode
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2K, 4K, 8K
|
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nbsp;Channel bandwidth
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5, 6, 7, 8 MHz
|
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Convolution Code Rate
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1/2, 2/3, 3/4, 5/6, 7/8
|
|
Guard Interval
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1/4, 1/8, 1/16, 1/32
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CMMB (STiMi) Modulation Specification (Optional)
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Modulation + Multiplex
|
|
Modulation Mode
|
CMMB(STIMI)
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|
Compliant
|
CMMB GY/T220. 1/2006 and GY/T 220.2/2006
|
|
Support
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Logical Channel Setting
|
|
Byte Interleave Mode
|
Mode 1, Mode 2, Mode 3
|
|
RS Coding
|
(240, 240), (240,224), (240,192), (240, 176)
|
|
Constellation
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BPSK, QPSK, 16QAM
|
|
LDPC Bitrate
|
1/2, 3/4
|
|
Signal Bandwidth
|
8 MHz
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ISDB-T & ISDB-B Modulation Specification (Optional)
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Modulation
|
|
Modulation Mode
|
ISDB-T Layered OFDM
|
|
Compliant
|
ARIB STD - B31
|
|
Support
|
Japan ISDB-T & Brazil ISBD-B
|
|
TMCC Encoding
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Fully Supported
|
|
Segment
|
Full-seg and 1-seg Supported
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DAB/DAB+/T-DMB Modulation Specification (Optional)
|
Modulation
|
|
Modulation Mode
|
OFDM/ D-QPSK
|
|
Compliant
|
EN300 401
|
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Support
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TM1, TM2, Tm3, TM4 In Band III
|
|
Reconfiguration Test
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Dynamic Reconfiguration Support
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ETI Pattern Supported
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Slide show, BIFS, DAB+, BWS, TPEG, Visual Radio, China DMB ( H.264+ AAC3) ETI
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