Agilent E4403B ESA Spectrum Analyzer (9 kHz - 3 GHz)

The Agilent E4403B is a high-performance spectrum analyzer designed for measuring signals over a wide frequency range—from as low as 9 kHz up to 3 GHz. Part of Agilent’s (now Keysight’s) E4400 series, this instrument is used in applications requiring precise RF and microwave measurements, such as communications, electronics manufacturing, and research laboratories.

Key Specifications

• Frequency Range: 9 kHz to 3 GHz
• Resolution and Sensitivity:
  • Offers a range of resolution bandwidths (typically from 1 Hz up to several MHz) that allow for both detailed analysis of narrowband signals and wideband sweeping.
  • Known for a low noise floor and high dynamic range, making it suitable for detecting low-level signals.
• Display and User Interface:
  • Usually features a large, high-resolution display with advanced marker functions for detailed signal analysis.
• Connectivity:
  • Provides multiple interfaces (such as GPIB, LAN, and RS-232) for remote control, data logging, and integration into automated test systems.
• Measurement Functions:
  • Supports various measurements including amplitude, frequency, phase noise, and may offer a tracking generator option to help with device characterization.

Options and Configuration Codes

The model information provided includes additional option codes: Opt 1D5 1DS 1DR 049 B72. Although the specific meanings of these codes are detailed in Agilent’s ordering guides, here is a general idea:

• 1D5: This option code typically relates to a specific hardware feature or performance enhancement (for example, an input attenuation setting or frequency extension option).
• 1DS and 1DR: These may indicate additional digital or display options, or they could be associated with particular measurement enhancements (such as additional resolution or dynamic range features).
• 049 B72: These alphanumeric codes are often used to specify firmware versions, calibration packages, or other build-specific details.

Applications and Benefits

• Versatility: With its broad frequency range and customizable options, the E4403B is well-suited for a variety of measurement tasks—from routine signal verification to advanced research.
• Performance: The analyzer delivers high accuracy and stability, enabling detailed spectral analysis of both strong and weak signals.
• Integration: Its connectivity options and support for remote control and data logging make it a good candidate for automated test systems and integrated measurement setups.

Summary

In summary, the Agilent E4403B ESA Spectrum Analyzer (with the configuration options Opt 1D5 1DS 1DR 049 B72) is a versatile instrument engineered for precise and reliable spectral measurements across a wide frequency band. Its range of options allows users to tailor the instrument’s performance to meet specific measurement requirements.