是德科技Keysight E8257D信号源参数
Published on2026-06-05
E8257D是是德科技的高端模拟信号发生器，主要用于雷达、通信等微波测试场景，信号纯净度高且支持多种调制方式 。以下就是Keysight E8257D信号源的参数详情。Keysight E8257D信号源参数频率范围基础型号最低起始频率为100kHz/250kHz，可根据配置扩展最大频率至20GHz、31.8GHz、40GHz、50GHz或67GHz；搭配频率扩展模块后，测试频率最高可扩展至1.1THz，频率分辨率可达0.001Hz。输出功率典型输出功率随频段变化：20GHz频段可达+23dBm，40 GHz频段为+17dBm，67 GHz频段仍能输出+14dBm；选配521选件后，可在6GHz以上提供最高+30dBm（1W）的输出功率，能够满足大功率器件测试需求。相位噪声相位噪声性能优异：10 GHz载波、100Hz频偏时为-91dBc/Hz，10kHz频偏时可低至-126dBc/Hz；1GHz载波、20kHz频偏时可达-143dBc/Hz，适配多普勒雷达、ADC和接收机阻塞测试等对低噪声要求高的场景。调制能力支持AM、FM、相位调制（ØM）、脉冲调制多种调制格式：窄脉冲调制在10MHz-67GHz范围内，典型上升/下降时间仅8ns，最小脉冲宽度可达20ns；同时支持步进扫描、列表扫描、斜波扫描（频率+功率）三种扫描模式，内置双函数发生器可生成多种波形。工作环境电源需求支持100/120VAC（50/60/400 Hz）或220/240VAC（50/60Hz），典型功耗<250W，最大功耗450W；工作温度范围0-55℃，存储温度范围-40-70℃。
Key Words：Keysight E8257DE8257DE8257D信号源
Copyright and Disclaimer
1.This website reprints content from external sources (not from Shenzhen Haochen Electronic Technology) and clearly indicates the original source. The purpose of such reproduction is for informational exchange only and does not imply endorsement of the views expressed therein, nor does it assume responsibility for the accuracy or authenticity of the content. The website shall not bear any direct or joint liability for infringement arising from the use of such materials.
2.Any media outlets, websites, or individuals reprinting content from this website must retain the original source attribution as specified herein and assume full legal responsibility for copyright compliance and any related intellectual property matters.
3.If the article involves issues such as content or copyright, you may contact the publisher to offer your opinions or request its removal. Alternatively, you need to contact us within one week from the date of publication. Otherwise, it will be regarded as the waiver of relevant rights.