一台多制式DTV(数字电视)信号发生器,本机一台即可应对日本、中国、美国、欧州、巴西等世界各国的数字电视(包括地面、有线、卫星),使用方式为选择其中一个制式加以输出。
设备本身具有TS流文件播放功能,集码流发生器和调制器于一体,无需外加TS流信号源
输出频率从47~3000MHz,*覆盖VHF、UHF电视频道
RF输出电平连续可变,可变范围(QAM)-31.5 ~ 0dBm、(OFDM)-34.5 ~ -3dBm,(增加电频输出选件可达到-11dbm)此功能可以很好的测试接收机的灵敏度
支持制式有
地面:DVB-T/T2,ATSC,ISDB-T,DTMB
有线:DVB-C/C2,J.83B
卫星:DVB-S/S2,ISDB-S
一体化设计,外接鼠标键盘显示器即可设置参数,操作更方便
数字电视标准信号发生器
机顶盒与一体机研发,性能检测及生产测试用信号源
广播电视传输系统模拟,演示、展会、电器卖场等
DTV 芯片开发(调谐器/解码)
型号 |
规格说明 |
JH5500A |
2U多制式数字电视信号发生器主机(标配包含DVB-T/C,ATSC,J.83B) |
OPTIN-01 |
DTMB输出选件 |
OPTIN-02 |
DVB-T2输出选件 |
OPTIN-03 |
ISDB-T输出选件 |
OPTIN-04 |
DVB-S/S2输出选件 |
OPTIN-05 |
DVB-C2输出选件 |
OPTIN-06 |
ISDB-S输出选件 |
OPTIN-07 |
-110dbm电频输出选件 |
RF技术参数 |
|
连接头 |
75Ω BNC |
频率范围 |
(UHF/VHF电视)47~862MHz |
频率步进 |
100KHZ |
频偏 |
±1ppm |
输出电平 |
(QAM)-31.5 ~ 0dBm、(OFDM)-34.5 ~ -3dBm, ±1dB,zui小步径0.5dBm |
带外抑制 |
>50dB |
调制误码率MER |
≈38dB(QAM) ≈40dB(OFDM) |
SSB噪声相位 |
<-90dBc @ 10 kHz |
反射损耗 |
>15dB |
RF 信噪比 |
典型值44dB@ 474 MHz |
ATSC 规格参数 |
||
标准 |
ATSC A/53E |
|
前向纠错FEC |
2/3格码+RS(207,187) |
|
调制方式 |
8VSB、16VSB |
|
视频编码 |
MEPG-2 |
|
音频编码 |
DolbyAC-3 |
|
信息码率 |
19.39Mb/s |
|
信道带宽 |
6MHz |
|
ISDB-T规格参数 |
||
标准 |
ARIB STD-B31 |
|
内纠错码率 |
1/2, 2/3, 3/4, 5/6, 7/8 |
|
星座图 |
QPSK, 16-QAM, 64-QAM |
|
载波数 |
2k, 4k或8k |
|
防护间隔 |
1/4, 1/8, 1/16, 1/32 |
|
带宽 |
6MHz |
|
广播类型 |
支持 1Segment TV 和 13Segment TV |
|
DVB-T/H规格参数 |
||
标准 |
ETSI EN300744 |
|
内纠错码率 |
1/2, 2/3, 3/4, 5/6, 7/8 可选 |
|
星座图 |
QPSK, 16-QAM, 64-QAM |
|
分级 |
16-QAM和64-QAM星座图,a=1,2或4 |
|
IFFT |
2K/8K mode可选 |
|
防护间隔 |
1/4, 1/8, 1/16, 1/32可选 |
|
MFN网络模式,带宽 |
8MHz、7MHz和6MHz可选 |
|
DVB-T2规格参数 |
||
标准 |
EN 302 755 |
|
带宽 |
10MHZ、8MHz、7MHz、6MHz、5MHz、1.7MHZ可选 |
|
调制方式 |
QPSK、16QAM、64QAM、256QAM |
|
I/Q 格式 |
Float32, Int16, Text |
|
FET |
1K、2K、4K、8K、16K、32K |
|
DVB-C规格参数 |
||
标准 |
EN 300 429 |
|
符码率 |
1~8MSps |
|
星座图 |
可选调制方式 16,32,64,128,256 QAM |
|
DTMB规格参数 |
||
标准 |
GB 20600-2006 |
|
内纠错码率 |
0.4、0.6、0.8 |
|
星座图 |
4-QAM-NR、4-QAM 、16-QAM 、32-QAM 、64-QAM |
|
卷积交织 |
IL_1( B=54, M=240), IL_2( B=54, M=720) |
|
保护间隔 |
PN420、PN945 |
|
带宽 |
带宽5、6、7、8 MHz |
|
QAM-B规格参数 |
||
标准 |
ITU-T J.83 Annex B |
|
保护间隔 |
64-2,32-4,16-8,8-16,128-1,128-2等, |
|
调制方式 |
64QAM、256QAM |
|
滚降系数 |
0.18 |
|
符号率MS/s |
5.0569410 |
|
信道带宽 |
6MHz |
物理参数 |
|
重 量: |
10Kg |
体 积: |
44 mm×530 mm×482 mm |
操作温度: |
5~40℃ |
保存温度: |
-20~60℃ |
湿 度: |
20~90% |
供电电压: |
~220V±10% 50Hz |
额定功耗: |
150W |
digital TV signal generator adopts embedded system. It can run more stably and provide a more convenient operation. This equipment supports US standards of ATSC(8VSB & QAM-B),EU standards of DVB-T/H、DVB-T2 and DVB-C, Japanese standards of ISDB-T, Chinese standards of DTMB(DMB-TH,ADTB-T).This is a 19" 2U standard unit . It can play TS code stream which can be digitally modulated and up-converted to the frequency of 47~862MHz and 950~2150MHz.
Integration of TS stream files playing, code stream generator and modulator, with no needs of external TS stream signal source.
Output signal frequency of 47~862MHz and 950~2150MHz,which compley covers VHF-and UHF-band TV channels and L-band salite digital TV channels .
Provide more stable performance by adopting embedded operation system.
Provide more convenient operation through an integrated design.
19‘’2U standard Unit.
Digital TV standard signal generator
The R&D, performance and production test of TV set top boxes and all-in-one machines
Simulation and display of broadcast TV transmission system, exhibition and appliance stores
DTV chip development(tuner/decoding)
Standards implemented and met |
|
ATSC 8VSB |
ATSC A/53E |
QAM-B |
ITU-T J.83 Annex B |
DVB-C |
EN 300 429 |
DVB-T/DVB-H |
EN 300 744 |
DVB-T2 |
EN 302 755 |
ISDB-T |
ARIB STD-B31 |
DTMB |
GB 20600-2006 |
DVB-S |
ETSI EN 300 421 |
DVB-S2 |
ETS 302 307 |
Specifications of RF Part |
|
Connector |
75Ω BNC |
Frequency Range |
(UHF/VHF)47~862MHz (L-Band)950~2150MHz |
Frequency Step |
100KHZ |
FrequencyAccuracy |
±1ppm |
Output Level |
(QAM)-31.5 ~ 0dBm,(OFDM)-34.5 ~ -3dBm,±1dB, minimumlevelstep 0.5dBm |
Out-of-band Rejection |
>50dB |
MET |
≈38dB(QAM) ≈40dB(OFDM) |
SSB Phase Noise |
<-90dBc @ 10 kHz |
Reflection Loss |
>15dB |
RF SNR |
Typical Value: 44dB@ 474 MHz |
Specifications of ATSC |
|
Compliant |
ATSC A/53E |
FEC |
2/3Trellis Code+ RS(207,187) |
Conslation |
8VSB,16VSB |
Video Coding |
MEPG-2 |
Audio Coding |
DolbyAC-3 |
Code Rate |
19.39Mb/s |
Channel Bandwidth |
6MHz |
Specifications of ISDB-T |
|
Compliant |
ARIB STD-B31 |
Code Rate |
1/2, 2/3, 3/4, 5/6, 7/8 |
Conslation |
QPSK, 16-QAM, 64-QAM |
Carrier Number |
2k, 4k or 8k |
Guard Interval |
1/4, 1/8, 1/16, 1/32 |
Band Width |
6MHz |
Broadcast Type |
Support 1Segment TV and 13Segment TV |
Specifications of DVB-T/H |
|
Compliant |
ETSI EN300744 |
Code Rate |
1/2, 2/3, 3/4, 5/6, 7/8 |
Conslation |
QPSK, 16-QAM, 64-QAM |
Grading |
16-QAM and 64-QAM conslation map,a=1,2 or 4 |
IFFT |
2K/8K mode |
Guard Interval |
1/4, 1/8, 1/16, 1/32 |
MFN Network Model,Band Width |
8MHz、7MHz、6MHz |
Specifications of DVB-T2 |
|
Compliant |
EN 302 755 |
Band Width |
10MHZ,8MHz,7MHz,6MHz,5MHz,1.7MHZ for your option |
Conslation |
QPSK,16QAM,64QAM,256QAM |
I/Q Format |
Float32, Int16, Text |
FET |
1K,2K,4K,8K,16K,32K |
Specifications of DVB-C |
|
Compliant |
EN 300 429 |
Symbol Rate |
1~8MSps |
Conslation |
16,32,64,128,256 QAM |
Specifications of DTMB |
|
Compliant |
GB 20600-2006 |
Code Rate |
0.4,0.6,0.8 |
Conslation |
4-QAM-NR,4-QAM ,16-QAM ,32-QAM ,64-QAM |
Convolution Interleave |
IL_1( B=54, M=240), IL_2( B=54, M=720) |
Guard Interval |
PN420、PN595、PN945 |
Band Width |
5,6,7,8 MHz |
Specifications of QAM-B |
|
Compliant |
ITU-T J.83 Annex B |
Guard Interval |
64-2,32-4,16-8,8-16,128-1,128-2,etc |
Conslation |
64QAM,256QAM |
Roll-off Factor |
0.18 |
Symbol Rate MS/s |
5.0569410 |
Bandwidth |
6MHz |
Specifications of DVB-S/S2 |
|
Compliant |
ETSI EN300 421/ETSI EN302 307 |
Conslation |
QPSK,8PSK,16APSK,32APSK |
Symbol Rate |
1~45 MBd |
Symbol Rate Precision |
< ± 25 ppm |
Symbol Rate Step |
< 50 mBd |
Physical Parameter |
|
Weight |
Approx 10Kg |
Dimensions |
482(W)×380(D)×88(H)mm |
Operation Temperature |
5~40℃ |
Storage Temperature |
-20~60℃ |
Operation Humidity |
20~90% |
Power Supply |
~220V±10% 50Hz |
Rated Power Consumption |
< 300W |
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