便携式多标准调制器
<br />
<strong>Features:<br />
</strong>• USB 2.0 Platform Base Frame (DVB-ASI Output & Input)<br />
• T-DMB / DAB+<br />
• OFDM (DVB-T/DVB-H) modulation optional<br />
• ISDB-T/B modulation optional<br />
• QAM (DVB-C/ITU-T J83 Annex B) modulation optional<br />
• OFDM (T-DMB/DAB) modulation<br />
• ATSC (8VSB) modulation optional<br />
• CMMB modulation + Mulitplex frame optional<br />
• OpenCable Moculation optional<br />
• DTMB modulation optional<br />
• Real time ASI INPUT to RF OUTPUT modulation<br />
• MPEG2 - TS Recording & Analyzing (Program / PID) / Bit stuffing ability<br />
• On-board VHF/UHF RF output up-converter at level -20dBm (1Hz step Agile Type) basic<br />
• RF Level Accuracy : <+/-1dB<br />
• AMP & RF Step Attenuators for professional RF level test - RF output from +10 dBm to -110 dBm (0.1dB<br />
• steps) optional<br />
• Temperature compensation using an integrated temperature sensor, enable to heater control without RF<br />
• level loss<br />
<br />
<strong>DVB-ASI Output (Base Frame)<br />
</strong>-DVB-ASI (OUTPUT)<br />
Parameter Value<br />
Buffer 8 MB<br />
Connector type BNC (75Ω)<br />
Output Bitrate ~ 108 Mbps<br />
-DVB-ASI Input (Base Frame)<br />
DVB-ASI (INPUT)<br />
Parameter Value<br />
Buffer 8 MB<br />
Connector type BNC (75Ω)<br />
Input Bitrate ~ 108 Mbps<br />
<br />
<strong>DVB-T/H Modulator Specification (Optional)<br />
</strong>Modulation<br />
Modulation Mode QPSK, 16 QAM, 64 QAM<br />
Transmission Mode 2K, 4K, 8K<br />
Channel bandwidth 5, 6, 7, 8 MHz<br />
Convolution Code Rate 1/2, 2/3, 3/4, 5/6, 7/8<br />
Guard Interval 1/4, 1/8, 1/16, 1/32<br />
RF OUT<br />
Frequency range 50 ~ 870 MHz<br />
Channel bandwidth 5, 6, 7, 8 Mhz<br />
Output Impedance 50 Ω<br />
RF Output Level -20 dBm (-110dBm ~ +10dBm)<br />
Return Ross >15 dB<br />
Spurious >60 dB<br />
Phaser Noise -95 dBc @10 KHz<br />
Connector Type SMA (50Ω)<br />
RF Level Accuracy <+/-1dB<br />
<br />
<strong>VHF/UHF RF Att enuator (Optional)<br />
</strong>Item Unit Min. Type Max.<br />
Input Range dBm — -20 —<br />
Output Control Range dBm -110 +10<br />
Output Control Step dB 0.1<br />
Frequency Control Range MHz 50 870<br />
Frequency Control Step Hz 1<br />
Valid Temperature Celsius (ºC) 25 38 60<br />
Power Supply Voltage V 12V<br />
Power Supply Current mA 640 1,000<br />
<br />
<strong>CMMB(STiMi) Modulation Specification (optional)<br />
</strong>-Modulation+Multiplex Frame<br />
Modulation Mode CMMB(STIMI)<br />
Compliant CMMB GY/T220. 1/2006 and GY/T 220.2/2006<br />
Support Logical Channel Setting<br />
Byte Interleave Mode Mode 1, Mode 2, Mode 3<br />
RS Coding (240, 240), (240,224), (240,192), (240, 176)<br />
Constellation BPSK, QPSK, 16QAM<br />
LDPC Bitrate 1/2, 3/4<br />
Signal Bandwidth 8 MHz<br />
-RF OUT<br />
Frequency Range (Full VHF-UHF 50 ~ 870 MHz)<br />
<span style="color: #ffcc00">S/L-Band external RF Adopter Device<br />
</span> Real Time Level Attenuation: Yes<br />
Output Inpedance: 50Ω<br />
RF Output Level: -20 dBm<br />
Return Loss: >15dB<br />
Spurious: >55 dB<br />
Phaser Noise: <-95dBc @ 10KHz Offset<br />
Connector Type : SMA (50Ω)<br />
RF Level Accuracy: <+/-1dB<br />
<br />
<strong>ATSC Modulator Specification (Optional)<br />
</strong>-Modulation Mode: 8-SVB<br />
Symbol Rate: 10.76 Ms/s<br />
-RF Out<br />
Frequency range 50 ~ 870 MHz<br />
Channel bandwidth: 6 MHz<br />
RF Output Level: -20 dBm (-110dBm ~ +10dBm)<br />
Return Ross: >15 dB<br />
Spurious: >60 dB<br />
Phaser Noise: -95 dBc @10KHz offset<br />
Connector Type: SMA (50Ω)<br />
RF Level Accuracy: <+/-1dB<br />
<br />
<strong>OpenCable Modulator Specification (Optional)<br />
</strong>-Modulation Mode: Annex B (QAM 64, 256)<br />
Symbol Rate: 5.057 or 5.38 Ms/s<br />
Standard: ITU-T J83 FEC Annex B<br />
Channel bandwidth: 6, 7, 8 MHz<br />
-RF Out<br />
Frequency range: 50 ~ 870 MHz<br />
Channel bandwidth: 6, 7, 8 Mhz<br />
RF Output Level: -20 dBm (-110dBm ~ +10dBm)<br />
Output Impedance: 75 Ω<br />
Return Ross: >15 dB<br />
Spurious: >60 dB<br />
Phaser Noise: -95 dBc @10KHz offset<br />
Connector Type: SMA (50Ω)<br />
RF Level Accuracy: <+/-1dB<br />
<br />
<strong>DVB-C Modulator Specification (Optional)<br />
</strong>-Modulation Mode: Annex A/C (QAM 16, 32, 64,128, 256)<br />
Symbol Rate: ~ 10 Ms/s<br />
Staadard: ITU-T J83 FEC Annex A/C<br />
Channel bandwidth : 6, 7, 8 MHz<br />
-RF Out<br />
Frequency range: 50 ~ 870 MHz<br />
Channel bandwidth: 6, 7, 8 Mhz<br />
RF Output Level: -20 dBm (-110dBm ~ +10dBm)<br />
Output Impedance: 75 Ω<br />
Return Ross: >15 dB<br />
Spurious: >60 dB<br />
Phaser Noise: -95 <a href="mailto:dBc@10KHz">dBc@10KHz</a> offset<br />
Connector Type: SMA (50Ω)<br />
RF Level Accuracy: <+/-1dB<br />
<br />
<strong>ISDB-T/Tb & SBTV Modulation Specification (optional)<br />
</strong>-Modulation Mode ISDB-T Layered OFDM,<br />
Compliant ARIB STD-B31<br />
Support Japan ISDB-T & Brazilian SBTVD<br />
TMCC Encoding: Fully Supported<br />
Segment: 1 Seg & full Seg Supported<br />
-RF OUT<br />
Frequency Range: 50 ~ 870 Mhz<br />
Real Time Level Attenuation: Yes<br />
Output Impedance: 50 Ω<br />
RF Output Level: -20 dBm (-110dBm ~ +10dBm)<br />
Return Loss: > 15 dB<br />
Spurious: > 55 dB<br />
Phaser Noise: <- 95 dBc @10KHz offset<br />
Connector Type: SMA ( 50 Ω )<br />
RF Level Accuracy: <+/-1dB
深圳市迪特威科技有限公司
深圳市迪特威科技有限公司成立于2009年8月,致力于为客户提供高性价比的数字电视测试工具及相关测试方案 。公司Logo及英文名称缩写“DTVtool”最直观地反映了我们的业务范围。
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随着业务的拓展,并因应市场需要,我们最新导入了一些周边的产品如RF测试配件、模拟电视信号发生器,DVB-CA测试CAM模组,研发及维修工具如恒温焊台等。
我们根据业务特点,倾力打造自己的服务特色,确保所有销售的产品都能得到完善、可靠、持久的售后服务支持。
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