Sefram7851 DVB-T/S 厦门特利尔电子
SEFRAM 7850 系列提供所有DVB-T,DVB-C, DVB-S 所需的测量功能,
拥有6.5英寸高解析的显示器可以显示所选频道的所有参数. 内建超快速的频谱分析, NIT, Cell-ID,
checksat以及自动设置功能, 大幅节省了您调适天线所需的时间. 整机含电池重量仅为2.1kg,
加上小巧的外型使的7850系列产品成为野外测试的最佳选择.
Technical Specifications
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Terrestrial Band
Satellite Band
Frequency
Range
45-865MHZ
950-2150MHZ
Resolution
measure 25KHZ,display 1KH
measure 25KHZ,display 1KH
Level measurements
Dynamic range
20-120dBuv
30-110dBuv
Noise floor level
5dBuV typical
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Units
dBuV,dBmV,dBm,V
dBuV,dBmV,dBm,V
Accuracy
±2dB±0.05dB/℃
±3dB±0.05dB/℃
Resolution
0,1dB
0,1dB
Filters
automatic with selected 1
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Input
BNC 75ohm
BNC 75ohm
Max.permissible voltage
80VDC,80Vrms/50HZ
80VDC,80Vrms/50HZ
Standards
B,G,D,K,I,L,M,N,FM,carrie
PAL,SECAM,NTSC,DVB-S,DVB-
Measurements
V,C/N,V/A1,V/A2according
RF,C/N
Uitra fast spectrum analy
Sweep time
100ms typ.(10 times/s)
100ms typ.(10 times/s)
Filters
automatic with selected s
1MHZ
Attenuator
automatic with selected f
automatic 0to60dB/5dBstep
Dynamic
60dB(10dB/div),30dB(5dB/d
60dB(10dB/div),30dB(5dB/d
Span
10MHZ to full span with 1
50MHZ to full span with 1
Measurement map
Capacity