Time domain analysis 使用矢量网络分析仪

Time domain analysis 使用矢量网络分析仪
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Time domain analysis with VNA, Screenshot

主要特点

  • 9 ps 上升时间分辨率
  • 格式:低通脉冲和阶跃、带通脉冲
  • 加窗/时间门:矩形窗、汉明窗、汉宁窗、波曼窗、Dolph-Chebychev 窗
  • 带眼图的信号完整性测试功能

时域和故障点距离测量

时域和故障点距离选件显示不连续性、反射因数或阻抗与延迟/长度。时域选件包含阶跃和脉冲响应、低通/带通、频率间隔和门控 S 参数。由于扫描范围有限,可以使用多种窗口来优化时域响应并抑制旁瓣。时间选通和转回频域消除无用响应。

特性和优点

支持的格式

适用于合适应用的正确格式

罗德与施瓦茨时域选件支持以下格式:低通脉冲和阶跃、带通脉冲。易于使用的带通模式可用于任何谐波网格。低通模式在直流值信息中提供更高的分辨率因子。

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加窗/时间选通

通过加窗和选通优化测量结果

频域测量的扫描范围有限,且起始频率和终止频率处存在不连续转换,会扩大脉冲,并导致时域响应中出现旁瓣(振铃)。加窗可以减少这种影响,并优化时域响应。时间门可用于消除时域转换中出现的无用响应。活动时间门可作用于时域和频域显示中的迹线。

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信号完整性

有关设计信号完整性的有用见解

借助增强型时域选件,R&S® 矢量网络分析仪能够实施“虚拟”信号发生器以生成多级 PAM 信号(NRZ、PAM-4、PAM-8、PAM-16),包括模拟的低通行为。根据被测设备的所测 S 参数计算眼图,便于全面了解系统的信号完整性。用于预加重、抖动、噪声和均衡的其他基础器件能够合成传输系统的发射机和接收机组件。

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时域分辨率

出色的分辨率,提供适宜结果

罗德与施瓦茨时域选件提供高达 18 ps 的最小分辨率和高达 1.5 µs 的模糊范围,具体取决于所选仪器。上升时间分辨率可达 9 ps。有关更多信息,请参见对照表。

可用型號

可用型號
型号
支持的矢量网络分析仪
最大频率/最大点数
故障定位
具备眼图功能的增强型时域
最大分辨率 [连续扫描]/上升时间
最大分辨率时的最大无模糊时间

R&S®ZNA-K2

订单号码 1332.5336.02

支持的矢量网络分析仪
最大频率/最大点数
67 GHz/100,001
故障定位
-
具备眼图功能的增强型时域
ZNA-K20
最大分辨率 [连续扫描]/上升时间
30 ps/15 ps
最大分辨率时的最大无模糊时间
1.5 µs

R&S®ZVAB-K2

订单号码 1164.1657.02

支持的矢量网络分析仪
最大频率/最大点数
110 GHz/60,001
故障定位
-
具备眼图功能的增强型时域
-
最大分辨率 [连续扫描]/上升时间
18 ps/9 ps
最大分辨率时的最大无模糊时间
55 µs

R&S®ZNB-K2

订单号码 1316.0156.02

支持的矢量网络分析仪
最大频率/最大点数
40 GHz/100,001
故障定位
ZNB-K3
具备眼图功能的增强型时域
ZNB-K20
最大分辨率 [连续扫描]/上升时间
50 ps/25 ps
最大分辨率时的最大无模糊时间
2.5 µs

R&S®ZNBT-K2

订单号码 1318.8425.02

支持的矢量网络分析仪
最大频率/最大点数
40 GHz/100,001
故障定位
R&S®ZNBT-K3
具备眼图功能的增强型时域
R&S®ZNBT-K20
最大分辨率 [连续扫描]/上升时间
50 ps/50 ps
最大分辨率时的最大无模糊时间
2.5 µs

R&S®ZND-K2

订单号码 1328.5393.02

支持的矢量网络分析仪
最大频率/最大点数
8.5 GHz/5001
故障定位
ZND-K3
具备眼图功能的增强型时域
-
最大分辨率 [连续扫描]/上升时间
235 ps/117 ps
最大分辨率时的最大无模糊时间
6.25 µs

R&S®ZVL-K3

订单号码 1306.0201.02

支持的矢量网络分析仪
最大频率/最大点数
13.6 GHz/4,001
故障定位
ZVL-K2
具备眼图功能的增强型时域
-
最大分辨率 [连续扫描]/上升时间
147 ps/73 ps
最大分辨率时的最大无模糊时间
2.94 µs

R&S®ZNL-K2

订单号码 1323.1819.02

支持的矢量网络分析仪
最大频率/最大点数
6 GHz/100,001
故障定位
ZNL-K3
具备眼图功能的增强型时域
-
最大分辨率 [连续扫描]/上升时间
333 ps/166 ps
最大分辨率时的最大无模糊时间
16.7 µs

可用选项

通用
产品
描述
R&S®ZNA-K20

订单号码 1332.4746.02

描述

扩展时域分析

包括眼图,适用于 R&S®ZNA

R&S®ZNB-K20

订单号码 1326.8072.02

描述

扩展时域分析

R&S®ZNBT-K20

订单号码 1319.4400.02

描述

扩展时域分析(带眼图)

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