Agilent E4403B Spectrum Analyzer Review

Agilent E4403B Spectrum Analyzer Review

The Agilent E4403B is a multi-purpose spectrum analyzer that is designed to deliver impressive speed and accuracy. This well renowned spectrum analyzer offers 1.1 dB amplitude accuracy and a +7.5 dBm TOI, all combined in a rugged and water resistant design. This model is designed for the 3.0 GHz frequency range and finds numerous applications in manufacturing, aerospace, and defense and requires only a 5-minute warm up time to deliver excellent precision measurement.

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The E4403B offers a < 1.0 dB error overall amplitude accuracy, making it an ideal option for applications that require high amplitude accuracies. Its short stabilization time (5 minutes) makes it very productive when testing applications that have time limitations. It also offers a broad selection of detectors to enable users to meet their varied testing needs. These detectors include averaging (RMS), sample, peak, negative peak, and an optional quasi-peak. For instance, its RMS averaging detector enhances measurement accuracy and repeatability.

Learn more about Root Mean Square (RMS) Here.

Accurate Results in Numerous Test Environments

The detector finds also many uses in testing exercises involving 2G, 3G, and other noise-like signals. The optional quasi-peak detector allows users to easily recognize the EMI performance verification of their DUT, and also can incorporate narrow resolution bandwidths as an option. This feature allows the user to attain maximum frequency resolution. The automatic background alignment feature of the E4403B ensures that accurate results are obtained when testing in numerous environments with varying temperature conditions. It is designed to deliver guaranteed performance for a wide temperature range of 0oC to 50oC.

Learn more about Device Under Test (DUT) Here.

The rugged casing of the Agilent E4403B makes it withstand various transportation stresses. The rubber encased frames on the front and rear parts enhances its durability, making it a suitable option for field operations and other exercises that may expose an equipment to mechanical stresses. Furthermore, it also has a weather resistant casing that allows users to employ it for field operations in high humidity environments. The model also offers one-button measurement routines as a built-in feature. Its built-in counter enables users to precisely identify various signals.

Optional Tracking Generator

Scalar network analysis and related testing exercises require an RF source. The E4403B offers an optional built-in tracking generator that is capable of generating an RF output required for many useful network analysis exercises. Engineers and technicians can make quick reference by using the built-in help function.

The E4403B uses a GPIB interface as a standard feature and an optional RS-232 interface. Its flexible card cage allows the technician to customize to most any requirement, making it very adaptable for their unique testing needs. The scalable design also allows users to add upgrade enhancements to the spectrum analyzer whenever testing needs require them. The E4403B is also designed to accept an external frequency reference whenever highly accurate results are required.

Key Benefits and Features:

  • ●    Excellent Microwave and RF design capabilities
  • ●    Versatile for use either on the bench or within a system
  • ●    Improved measurement and fast data transfer speeds
  • ●    Easily perform specific tasks including noise figure, measuring analog demodulation, and phase noise measure

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John Bahng

John is a Hong Kong based test equipment industry executive active in buying, selling and repositioning of surplus wireless test equipment assets for import and export. You can find him on
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