產品概述
產品定位與應用
Keysight / Agilent / HP E4440A Agilent E4440A / E4443A / E4445A / E4446A / E4447A 頻譜分析儀 Spectrum Analyzer 屬於頻譜與訊號分析設備，適合用於載波、雜訊、諧波、雜散、調變品質、通訊訊號與 EMI 預掃測試等情境。
規格與選配
Agilent E4440A / E4443A / E4445A / E4446A / E4447A PSA Series Spectrum Analyzer｜專業規格 Specifications
Frequency Range（頻率範圍）
| 型號 / 選配 | 說明 |
|---|---|
| E4443A | 3 Hz – 6.7 GHz |
| E4445A | 3 Hz – 13.2 GHz |
| E4440A | 3 Hz – 26.5 GHz |
| E4447A | 3 Hz – 42.98 GHz |
| E4446A | 3 Hz – 44 GHz |
Optional External Mixing：Up to 325 GHz
RF Performance（RF 量測效能）
| Displayed Average Noise Level (DANL) | –155 dBm (typ.) |
|---|---|
| Third-Order Intercept (TOI) | +19 dBm (typ.) |
| Phase Noise | –118 dBc/Hz @ 10 kHz offset |
| Dynamic Range | High dynamic range for weak & strong signal coexistence |
| Amplitude Accuracy | ±0.19 dB |
| Frequency Response | ±0.11 dB |
Analysis Bandwidth & Speed（分析頻寬與速度）
Analysis Bandwidth：40 MHz / 80 MHz (optional)
High-Speed Sweep：Optimized for fast measurements of complex signals One-Button Measurements：Built-in measurement personalities
Measurement Capabilities（量測功能）
Spectrum & Spur Analysis
Phase Noise Measurement
Harmonics & Intermodulation Analysis
Modulation Analysis（Depends on options）
Millimeter-Wave Measurements（with external mixers）
Applications（應用場景）
AI 伺服器 / HPC 平台 EMI 與雜訊分析
高速數位系統 Clock / Harmonics / Spur Debug
RF / Microwave 通訊設備研發與驗證
毫米波與相位雜訊量測
EMI / EMC 預相容測試（Pre-compliance）
研發實驗室 / 產線測試 / ATE 應用
Platform & Expandability（平台與擴充性）
Flexible Modular Platform
Up to 16 Built-in Measurement Personalities (Options)
Designed for R&D & Manufacturing
Legacy High-End PSA Series (Keysight / Agilent)
英文技術說明
The Agilent PSA Series offers high-performance spectrum analysis, up to 50 GHz, with powerful one-button measurements, a versatile feature set, and a leading-edge combination of flexibility, speed, accuracy, analysis bandwidth, and dynamic range.From millimeter wave and phase noise measurements to spur searches and modulation analysis, the PSA Series offers unique and comprehensive high-performance solutions to R&D and manufacturing engineers in cellular and emerging wireless communications, aerospace, and defense.