7851 DVB-T/S 电视信号分析仪-重庆德源胜仪器有限公司

Sefram7851 DVB-T/S

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*佳选择.

特点


	6.5英寸彩色液晶显示器		重量仅2.1公斤
	可显示电视节目图象		支持DVB-T，DVB-C，DVB-S及DVB-S2
	超高速高质量频谱分析		OSD，PID支持
	支持GPS		超高灵敏度

规格

Technical Specifications	--	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	--
	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	--
	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	scrolling of 12 programs	--
	Display	graphical or text	--
Checksat mode	1	--	fast search of satellite,
	2	--	30 satellites typical,wit
	3	--	4 transponders/satellite,
Memory	saving	internal,non,volatile mem	internal,non,volatile mem
	Data	place,measure(level,BER/M	place,measure(level,BER/M
	Capacity	512Ko(max.1000files or fl	512Ko(max.1000files or fl
Auxiliary inputs and outp	USB interface	mini USB connector	mini USB connector
	Power supply	jack 5.5mm,15Vmax,5Amax	jack 5.5mm,15Vmax,5Amax
Remote supply and control	Voltage	5/13/18V,500mA max	13/18V,500mA max
	Diseqc	--	Diseqc1.2
	22KHZ	--	22KHZ,Minidiseqc.toneburs
Digital measurements	1	C-OFDM	DVB-S,DVB-S2
	Bit error ratio	CBER(before viterbi)VBER(	CBER,VBER,UNC,LDPC,BCH,PE
	Modulation Error Ratio(ME	5-35dB	0-20dB
	Symbol rate(1)	--	1-45Ms/s
	Bandwidth	6MHZ,7MHZ,8MHZ	--
	Constellation	automatic	QPSK and 8PSK
	Viternbi rate	automatic
	automatic		1/2,2/3,3/4,5/6,7/8,8/9,9
	Standards(1)	EN 300-744	EN 300-421 EN302 307
	2	NICAM	--
	Frequency	45-865MHZ	--
	Standard	B,G,D,K,I,L	--
	Error measurement	BER(parity)	--