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频谱分析仪 LG SA-7270A

产品编号:3313701                    更新时间:2020-08-12
价格: 来电议定
北京市北方思源电子技术中心

北京市北方思源电子技术中心

  • 主营业务:示波器,频谱分析仪,逻辑分析仪,信号发生器,无线电综测仪,功...
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产品详情

频谱分析仪 LG SA-7270A

厂家:韩国LG

详细介绍pdf

产品简介: 

SA-7270A是高性能、低价格的数字合成方式的集团频谱分析仪。它具有2.7GHz的广域测定能力、大而亮的人型液晶画面、紧密的设计、高精度/可靠性、MENU方式的简便操作和测定结果的可存储性等优秀性能和功能,还可以兼用AC/DC,采用充电电池在野外任何地方都能方便地使用。(在同种机型中,它在世界上是体积最小、最轻并唯一能在航空机上使用的机型。

产品特点

  • 2.7GHz广域频率的测定
    以9KHz到2.7GHz的广域频率可测定FM,AM到Cellular, PCS 及IMT-2000, WLL等所有移动通讯的频率。
  • 数字合成方式
    以数字合成方式可保证高度的可靠性和测定精度。
  • 大型7.4"液晶画面
    采用大而亮的7.4"液晶画面 长时间测定时也不会发生眼睛疲劳的现象,并能轻易而准确地测定细微的波形。
  • 密集的设计,简小的尺寸
    以紧密而简小的设计、轻而坚固的结构保证了轻便的携带使用,并且在同种机型中唯一能在航空机上使用的机种。
  • 可使用电池,可兼用AC/DC
    可兼用AC/DC,采用充电电池在野外任何地方都能方便地携带使用。  
  • 高分解功能(RBW): 300Hz到3MHz
  • 宽动态范围:-110dBm到20dBm, 80dB在10db/div log Scale
  • Auto Tune 功能: Peak Search, Delta Marker, Noise Marker等
  • 内藏高性能 Frequency Counter
  • Power的测定功能: OBW,Total PASS/FALL功能:可设定Limit Line
  • 包含钟/Calendar功能
  • 包含AM,FM Demodulation功能 以PASS/FAIL等多样的方便功能缩短测定时间。

以GPIB Interface等多样的外部仪器接触功能可实现自动化测定。
以多样的方便功能可迅速地进行测定。(Auto Tune, Marker, AM/FM Demodulation, limit Line等)
以数字合成方式可保证高度的可靠性和测定精度。
因内藏频率测定仪,无需附加设备。
以多样的选择加入了应用领域。(内藏型Tracking Generator, High Stability Oscillator, Quasi-Peak Detector等)
可存储20个测定结果。

技术参数

 

频率

调谐范围 9kHz至2.7GHz
分辨率 1Hz
频率带宽 100Hz/分格~270MHz/分格,0,1,2,5间距选择(自动选定),
最大带宽为(9kHz~2.7GHz),启动、停止和幅度均用手动选择。
精确度 ±3%(显示宽度内)
精确读数 精确度 + 频率,标准精确度 + RBW的50%
频率计算 分辨率 1Hz,10Hz,100Hz,1kHz
精确度 ±(标准频率+计数器分辨率±1读数)
灵敏度 ≤70dBm

稳定性

残留FM <15Hz@1KHz RBW,1kHz VBW
(P-P在20秒里)
边带噪音
<-90dBc/Hz@10kHz抵消

幅度

量程 +20至-110dBm
频率范围 9kHz至2.7GHz
噪音电平平均值(300Hz RBW,10Hz图像滤波) 10kHz~50kHz: -80dBm50kHz~1MHz: -100dBm1MHz~2.7GHz: -108dBm
1dB增益抑制 最小为-5dBm(0dB衰减)
量程 80dB in 10dB/div log scale
40dB in 5dB/div log scale
16dB in 2dB/div log scale
8dB in 1dB/div log
scale  
8 divisions with
linear amplitude scale
幅度单位 记录刻度方式 dBmV或dBm
线性刻度方式 V(uV, mV,其它)或dBv(dB mV)
激活峰值 dBuv, dBmV, 或dBm
线性显示  5dB/div或10dB/div, 超过8分格为±1.5dB
1dB/div或2dB/div, 超过8分格为±0.5dB线性,超过8分格的参考电平为±10%
频响 ±3dB, 50kHz至10MHz,
±10Mhz至2.7GHz(10dB射频衰减)
衰减 范围 0~50dB, 手动选择或自动选择参考电平
分辩率 10dB间距
精确度 ±0.5dB/间距 >1dB最大@100MHz
参考电平 精确度 ±1.5dB
范围 -110dBm至+30dBm
分辩率 0.1dB间距
残留响应 <-85dBm(停止输入为0dB衰减)
谐波失真 <-65dBc, -40dBm(输入,0dB衰减)
调制失真(第3个命令) <-70dBc, -30dBm(输入,0dB衰减)1MHz~100MHz
其他输入有关spurious <-60dBc. 10Mhz~2.7GHz
分辨率带宽   可选 300Hz, 1kHz, 3kHz, 10kHz, 30kHz, 100kHz, 1MHz, 3MHz
精确度 ±20%
灵敏度 60dB/3dB比率<15:1 60dB/6dB比率<15:1;
9kHz&120kHz(半峰值选择)
转换误差 ±1.0dB
图像频带选择 10Hz~1MHz(1-3-10间距内)

扫描

速率 50ms~1000秒(1-2-5内连续),5ms-20秒(在0幅度里)
扫描速率精确度 全刻度的10%(扫描率≤2秒)
触发器 来源 内部的,外部的(背面),线路1
方式 自由运行,视频,单程扫描,线性
耦合 DC
带宽 LPF(100kHz)/HPF(5Hz)
电平 Ext,后面:TTL
延滞 ±一次扫描时间 sweep rate

显示

类 型 7.4"单色STN LCD
数字分辨 640H×480V 活动的显示范围
标志类型 峰值检索,峰值跟踪
标志跟踪 中心标志,参考标志(2标志最大)

记忆

跟踪贮存 20个贮存记忆(包括用户自定义和测试限定)
安装贮存 10种运作方式
一次显示跟踪 2 种跟踪

输入

RF 输入 连接器 N型阴极,50Ω(定义)
阻抗 50Ω,VSWR<1.5:1.(*10dB 衰减,150KHz~2.7GHz)
最大输入电平 50Vdc或+30dBm(10dB衰减)
LO发射 ≤-70dBm (0dB 衰减)

输出

IF输出

图像输出 10.7MHz0~5V DC

频率标准

温度稳定性 标准高稳定选择
分 期 ±5ppm ±0.2ppm
±2ppm ±0.2ppm
外部参考 同一开关控制输入和输出
输入阻抗 BNC阴极连接器
输入电平 0.25~10Vp-p
输出电平 10MHz @ 0dBm

IEEE-488(GPIB)界面选择

符 合 IEE标准 488-1987
子设备符合 SH1, AH1,T6, L4, SR1, RL1, PPO, DC1, CO, LEO, TEO

RS-232 界面

类 型 Null调制解调器(双工虚拟硬件信息交换)
Baud速率 300bps, 600bps,1200bps, 2400bps, 4800bps, 9600bps, 19.2kbps
同步检查 奇数,偶数或没有
二进制数据每字 7或8
停止二进制数据每字 1或2
打印机 
驱动程序 PCL3
连 接 标准25针female十进制并联打印机

峰值近似选项

  频宽选择
 
频率范围
 
充电时间 ms 放电时间 ms 显示时间 ms
9kHz
 
150kHz~30MHz
 
1±20%
 
160±20%
 
160±20%
 
120kHz
 
30kHz~1GHz
 
1±20%
 
550±20%
 
100±20%
 

常规

尺 寸 350mm(W)×182mm(H)×381mm(D)(包括手柄)
重 量 8.2kg
预热时间 15分钟
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