E4438C ESG 矢量信号发生器将优异的射频性能与完美的基带信号生成能力相结合，能够在基带、中频和高达 6 GHz 射频频率上提供已校准的测试信号。由于采用了具备任意波形和实时 I/Q 能力的内置基带发生器、大量波形回放和存储器以及宽射频调制带宽，E4438C ESG 可用来测试当前的复杂无线系统及其器件。
E4438C ESG 是一种具有极强适应能力和多种可选功能的平台，它支持您针对各种基带和射频测试应用进行仪器定制，包括简单的失真测试、常见故障诊断、基带编码算法开发、先进的收发信机设计验证以及大规模制造。借助其模块化架构，它还能根据您当前所需的性能水平和信号生成能力轻松地完成仪器配置，并通过选件在未来进行升级。
RF performance and leading baseband generation
The E4438C ESG vector signal generator combines superior RF performance with perfect baseband signal generation to provide calibrated test signals at baseband, intermediate, and up to 6 GHz RF frequencies. With a built-in baseband generator with arbitrary waveform and real-time I/Q capabilities, extensive waveform playback and memory, and wide RF modulation bandwidth, the E4438C ESG can be used to test today's complex wireless systems and their devices.
A modular architecture to meet your testing requirements
The E4438C ESG is a highly adaptable and versatile platform that allows you to customize your instrument for a variety of baseband and RF test applications, including simple distortion testing, common troubleshooting, baseband encoding algorithm development, and advanced Transceiver design verification and mass production. With its modular architecture, it also easily completes instrument configuration based on your current level of performance and signal generation capabilities, and is upgraded in the future with options.
250 kHz to 1, 2, 3.4 or 6 GHz
+17 dBm output power
Phase noise is less than -134 dBc (typical) at 1 GHz and 20 kHz offset
Modulation and scanning
AM, FM, ØM and pulse
ASK, FSK, MSK, PSK, QAM, custom I/Q
Step or list scan of frequency and power
Baseband generation and signal generation
80 MHz dual mode built-in baseband generator: arbitrary waveform and real-time I/Q signals
64Msa playback memory and 1 Gsa memory
Generate reference signals: LTE, HSPA+, WiMAXTM, WLAN, DVB-H, GPS/GNSS, MATLAB, etc.
Multi-channel baseband generation with N5102A's digital I/O, MIMO fading and RF-to-RF fading, and PXB baseband generator and channel emulator
Automatic and communication interface
10BaseT LAN and GPIB
SCPI and IVI-COM drivers
Backwards compatible with ESG, PSG and 8648 signal generators