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4051系列信号/频谱分析仪是中电科仪器仪表有限公司信号/频谱分析仪中的高性能旗舰产品，具有优良的测试动态范围、相位噪声、幅度精度和测试速度，具备高灵敏度频谱分析、符合标准的功率测量组件、IQ分析、矢量信号分析、实时频谱分析、瞬态分析、脉冲信号分析、音频分析、模拟解调分析、相位噪声测试、噪声系数测试等多种测试功能，可提供可靠的高性能测试服务。具有良好的扩展能力，可通过灵活配置选件进一步提升测试性能，也可通过各种数字和模拟信号输出接口构建测试系统或进行二次开发。可应用于航空、航天、雷达探测、通信、电子对抗、导航等领域的信号及设备测试。
宽频率覆盖范围
优良的测试接收性能
全面的频谱分析能力
丰富的测量应用功能
强大的射频信号流盘与回放分析功能
灵活的模拟信号输出接口
便捷的操作特性
宽频率覆盖范围
3Hz到4/9/13.2/18/26.5/40/45/50/67GHz，9种可选的频段配置
最大550MHz分析带宽
带宽可灵活选择，从10Hz至550MHz共40余档
提供4GB的深度存储，根据带宽选择，无缝捕获时间可从几毫秒直至数小时
优良的测试接收性能
可配置对应主机频段的宽频带前置放大器（最高频率至50GHz）
1GHz测量灵敏度典型值-156dBm/Hz，配置前放后典型值为-167dBm/Hz
50GHz测量灵敏度典型值-141dBm/Hz，配置前放后典型值为-150dBm/Hz
67GHz测量灵敏度典型值-135dBm/Hz
全数字中频设计，优异的刻度保真度和中频误差
全面的频谱分析能力
支持扫频和FFT两种扫描类型
零频宽快速扫描，最快扫描时间1us
精确的频率计数，计数分辨率可达0.001Hz
扫描点数在101～30001之间任意可选
可配置6条轨迹，具有丰富的标记操作功能
6种检波方式，3种平均类型
支持时间门测量
具有占用带宽、信道功率、邻道功率测试功能
具有功率统计、突发功率、谐波失真、三阶交调、杂散发射等测试功能
4051Series signal / spectrum analyzer is the high-performance flagship product in the signal / spectrum analyzer of CEC Instruments Co., Ltd. It has excellent test dynamic range, phase noise, amplitude accuracy and test speed, with high sensitivity spectrum analysis and meets the standards Power measurement components, IQ analysis, vector signal analysis, real-time spectrum analysis, transient analysis, pulse signal analysis, audio analysis, analog demodulation analysis, phase noise test, noise figure test and other test functions can provide reliable high Performance testing services. It has good expansion ability, and can further improve the test performance through flexible configuration options, and can also build a test system or perform secondary development through various digital and analog signal output interfaces. It can be applied to signal and equipment testing in aviation, aerospace, radar detection, communication, electronic countermeasures, navigation and other fields.
Features：
Wide frequency coverage
Excellent test reception performance
Comprehensive spectrum analysis capabilities
Rich measurement application functions
Powerful RF signal streaming and playback analysis function
Flexible analog signal output interface
Convenient operating characteristics
Wide frequency coverage
3Hz to 4/9 / 13.2 / 18 / 26.5 / 40/45/50 / 67GHz, 9 optional frequency band configurations
External frequency expansion capability to 500GHz (external frequency expansion option)
Maximum 550MHz analysis bandwidth
Provide 4 analysis bandwidth configuration solutions including 10MHz, 40MHz, 200MHz and 550MHz
The bandwidth can be flexibly selected, with a total of more than 40 files from 10Hz to 550MHz
Provide 4GB of deep storage, according to the choice of bandwidth, seamless capture time can be from a few milliseconds to hours
Excellent test reception performance
Configurable broadband preamplifier corresponding to the host frequency band (up to 50GHz)
The typical value of 1GHz measurement sensitivity is -156dBm / Hz, and the typical value after configuration is -167dBm / Hz
50GHz measurement sensitivity typical value is -141dBm / Hz, and the typical value after configuration is -150dBm / Hz
67GHz typical measurement sensitivity -135dBm / Hz
Full digital IF design, excellent scale fidelity and IF error
Comprehensive spectrum analysis capabilities
Support two scan types: frequency sweep and FFT
Fast scanning with zero bandwidth, the fastest scanning time is 1us
Accurate frequency counting, counting resolution up to 0.001Hz
Scanning point is optional between 101 ～ 30001
Configurable 6 tracks, with rich marker operation function
6 detection methods, 3 average types
Support time gate measurement
With occupied bandwidth, channel power, adjacent channel power test function
Test functions such as power statistics, burst power, harmonic distortion, third-order intermodulation, and spurious emissions
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