R&S®SFD DOCSIS 信号发生器

实时单通道 DOCSIS 3.1 信号

R&S®SFD DOCSIS 信号发生器
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R&S®SFD DOCSIS 信号发生器
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R&S®SFD DOCSIS 信号发生器
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R&S®SFD DOCSIS 信号发生器
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R&S®SFD DOCSIS 信号发生器
打开灯箱
R&S®SFD DOCSIS 信号发生器
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R&S®SFD DOCSIS 信号发生器,前视图 R&S®SFD DOCSIS 信号发生器,高前视图 R&S®SFD DOCSIS 信号发生器,侧视图 R&S®SFD DOCSIS 信号发生器,后视图 R&S®SFD DOCSIS 信号发生器,主视图 R&S®SFD DOCSIS 信号发生器,应用图像

主要特点

  • 下行:47 MHz 至 1218 MHz/1794 MHz;上行:5 MHz 至 204 MHz
  • DOCSIS3.1、DOCSIS3.0、J.83/A/B/C 和模拟电视
  • 信号干扰及失真仿真
  • 在 1002 MHz 至 1794 MHz 范围内同时生成至少 80 个 SC-QAM 通道
  • 最高 200 MHz 的任意波形发生器带宽

DOCSIS 3.1 单通道实时发生器

R&S®SFD 可实时生成 DOCSIS 3.1 信号,并根据 DOCSIS 3.1 标准灵活设置电平、频率、星座图和所有其他参数。R&S®SFD 也可以根据 J.83/A/B/C 规范生成实时调制的数字电视信号。信号内容可以通过 IP 馈入或由 R&S®SFD 内部生成。

特性和优点

下行信号生成

灵活的实时下行信号调制

R&S®SFD 可实时调制 DOCSIS 3.1、DOCSIS 3.0 以及数字有线电视(根据 J.83/A/B/C)信号。下行信号频率范围分别介于 47 MHz 至 1794 MHz (DOCSIS 3.1) 和 47 MHz 至 1218 MHz(DOCSIS 3.0 和数字电视)。所有参数都可以通过图形用户界面或 SCPI 远程命令设置。需要传输的用户数据可以通过 IP 馈入,或由 R&S®SFD 根据 PRBS 或用户文件内部生成。SFD-K202 选件能够在 1002 MHz 至 1794 MHz 扩展操作范围内同时生成至少 80 个 SC-QAM 通道。

R&S®SFD 图形用户界面——下行信号配置
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R&S®SFD 图形用户界面——下行信号配置

图形用户界面易于使用,确保使用所有必需参数设置下行信号。预定义值可加快生成首次结果。

上行信号生成

灵活的实时上行信号调制

上行信号频率范围介于 5 MHz 至 204 MHz。在此范围内,可以实时生成 DOCSIS 3.1 正交频分多址 (OFDMA) 信号。DOCSIS 3.0 TDMA 或 CDMA 信号可以在 5 MHz 至 85 MHz 范围内实时生成。触发功能可以确保精确的脉冲时序控制。R&S®SFD 是测试调谐器、电缆调制解调器和上行 CMTS 接收机的理想解决方案。

R&S®SFD 图形用户界面——上行信号配置
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R&S®SFD 图形用户界面——上行信号配置

图形用户界面易于使用,确保使用所有必需参数设置上行信号。预定义值可加快生成首次结果。

信号干扰及失真仿真

在实际条件下进行仿真

为了实现真实的信号生成,R&S®SFD 可以增加干扰,例如噪声、相位噪声、哼声、倾斜甚至是预定义的误码率 (BER)。信号倾斜可以设置为正或负,以仿真或补偿真实同轴 CATV 电缆的频率响应。

R&S®SFD 图形用户界面——信号损伤配置
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R&S®SFD 图形用户界面——信号损伤配置

可以混合并独立设置信号损伤。在主页图形用户界面设定射频倾斜设置 (dB/GHz)。

功能强大的任意波形发生器

内置的任意波形发生器可以生成高达 200 MHz 带宽的信号,并可用于整个下行或上行信号频率范围。最大采样率为 240 Msamples/s,任意波形文件大小高达 256 MB。

R&S®SFD 图形用户界面——任意波形文件
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R&S®SFD 图形用户界面——任意波形文件

来自全球 CATV 网络的常见信号可以用任意波形文件进行调制。出厂预置文件可以通过用户文件进行扩展。

可用选项

软件选件
产品
描述
R&S®SFD-K200

订单号码 2118.7423.02

描述

下行信号发生器

DOCSIS 3.1/3.0,J.83/A/B/C,下行信号调制,47 MHz 至 1218 MHz

R&S®SFD-K201

订单号码 2118.7830.02

描述

增强型下行信号功能

在下行 PLC 中插入 DOCSIS 时间戳、流速指示器以及针对 PLC 上 B、C、D 配置文件传输其他 DPD 消息(FSW 兼容模式)

R&S®SFD-K202

订单号码 2118.8242.02

描述

R&S®SFD-K300

订单号码 2118.7430.02

描述

上行信号发生器

DOCSIS 3.1 和 3.0,上行信号调制,5 MHz 至 204 MHz

R&S®SFD-K3018

订单号码 2118.7452.02

描述

下行信号频率范围扩展至 1794 MHz

R&S®SFD-K1050

订单号码 2118.7446.02

描述

信号干扰仿真

干扰仿真,加性高斯白噪声,相位噪声,交流哼声,预定义的误码率

R&S®CLGD-K2

订单号码 2118.7469.02

描述

基本波形库

常用波形集

通用附件
产品
描述
R&S®ZZA-KNA22

订单号码 1177.8184.00

描述

19" 适配器 BW2010-ADV,2HU 1/2 + 备用

R&S®ZZA-KNA24

订单号码 1177.8149.00

描述

19" 适配器 BW2010 Advanced,机柜 2 HU 1/2 + ½

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1. The prize draw “10 years Rohde & Schwarz oscilloscopes” (herein referred to as “Draw”) is organized by Rohde & Schwarz GmbH & Co. KG, Mühldorfstraße 15, 81671 Munich, Germany, Tel. +49 89 41 29 0 (herein referred to as “R&S).

2. All participators can register to the draw during January 01, 2020 to December 31, 2020 with their name, company name and business e-mail.

3. Participation is free of charge and not dependent on the purchase of goods or services.

4. The draw is only open to legal entities and only the legal entities are able to win the prizes. An individual person is not allowed to participate on its own name and its own account but as a representative of a legal entity filing the participation form in the name of and on behalf of the legal entity.

5. The prizes to win are 1 of 10 R&S®RTB2000 within the time frame January 1, 2020 to December 31, 2020:

Prize: 1x R&S®RTB2000 Digital Oscilloscope

6. The draw takes place at Rohde & Schwarz headquarters, Muehldorstrasse 15, 81671 Munich. The winner of the prizes will be informed by e-mail within 5 (5) working days.

7. The authorized representative of the legal entity shall inform Rohde & Schwarz about the acceptance of the price. In case of the denial of the acceptance, or no answer within two (2) weeks, a new winner will be drawn. If no winner can be determined within four (4) weeks, the draw ends and the prize forfeit.

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11. Any Participant who does not comply with these Terms & Conditions may be disqualified by R&S from this Competition. In such cases, prizes can also be withdrawn retrospectively. In case a prize is withdrawn retrospectively due to the non-compliance with these Terms & Conditions, it shall be returned by the respective participant at his cost to R&S’ address mentioned under Nr.1 and a new winner will be drawn.

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