Noise figure measurement 使用矢量网络分析仪

Noise figure measurement 使用矢量网络分析仪
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Noise figure measurement with vector network analyzers, Application Image

主要特点

  • Quickset 图形用户界面,带校准支持
  • 边带校正
  • 校正实际的环境温度
  • 变频被测设备的图像校正——端口匹配校正、SmarterCal 和 PowerCal
  • 适用于 ZNL、ZVL 多功能型号

简介

噪声系数测量选件进一步增强了罗德与施瓦茨矢量网络分析仪,为完整的放大器和变频器特性测量提供强大且通用的测试系统。图形用户界面可用于配置放大器、混频器、变频器和收发模块的噪声系数测量。

特性和优点

Quickset 图形用户界面,带校准支持

简单的测量装置

根据被测设备特性,在可接受的测试时间内获得可靠结果,必须考虑多个硬件和软件参数,例如信号源监测接入 B161、衰减器、接收机前置放大器 B302、反向耦合器操作、采样时间、功率示意图和校准等。Quickset 图形用户界面让噪声系数测量变得简单:根据估计的被测设备属性自动设置测试参数,并利用交互式图形确定最佳硬件配置(目前适用于放大器测试,用于变频器测试的 QuickSet 尚未确定)。

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边带校正

精确测量

内置边带校正可以消除和校正边带中的其他噪声或被测设备带宽内的谐波,并会影响最终结果。这个功能可以精确测量宽带设备的噪声系数。

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环境温度校正

消除错误

大部分噪声源的超噪比 (ENR) 为 290 K。任何偏差都会降低精度,甚至可能产生显著不同的结果,具体视目标噪声系数而定。为了确保最佳精度,系统会提示用户测量并输入测量装置的环境温度,以便补偿任何影响。

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变频被测设备的图像校正——端口匹配校正、SmarterCal 和 PowerCal

确保最佳精度

将图像校正和 SmarterCal 相结合,确保测量装置更加简单,并提高测量结果的精度。图像校正可补偿镜像频率上可能与中频或射频混频器混合的任何噪声。同时,端口匹配校正可补偿 MUT 和矢量网络分析仪之间的不匹配。

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可用型號

可用型號
型号
支持的矢量网络分析仪
单连接设备特性测量
边带校正
变频测量
需要噪声源
失配校正

R&S®ZNA-K30

订单号码 1332.5465.02

支持的矢量网络分析仪
单连接设备特性测量
边带校正
变频测量
是,配备选件 ZNA-K4
需要噪声源
失配校正

R&S®ZVAB-K30

订单号码 1164.1828.02

支持的矢量网络分析仪
单连接设备特性测量
边带校正
变频测量
是,配备选件 ZVA-K31
需要噪声源
失配校正

R&S®FSL-K30

订单号码 1301.9817.02

支持的矢量网络分析仪
单连接设备特性测量
边带校正
变频测量
需要噪声源
失配校正

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