Agilent / Keysight E4405B 13.2GHz ESA-E Spectrum Analyzer

The Agilent/Keysight E4405B ESA-E is a spectrum analyzer operating from 9 kHz to 13.2 GHz, engineered for signal characterization across R&D, system integration, compliance testing, and field service environments. The instrument delivers a displayed average noise level of typically –167 dBm with internal preamp and third-order intercept of typically +16 dBm, supporting detailed RF and microwave measurements with high resolution and accuracy.

Technical Specifications

• Frequency range: 9 kHz to 13.2 GHz


• Frequency readout accuracy: ±(frequency indication × frequency reference error + span accuracy + 15% of RBW + 10 Hz + 1 Hz × N4)


• Marker frequency counter accuracy: ±(marker frequency × frequency reference error + counter resolution)


• Counter resolution: Selectable 1 Hz to 100 kHz


• Frequency span: 0 Hz (zero span) or 100 Hz to 13.2 GHz


• Span accuracy: ±0.5% of span (>2000 sweep points); ±2.0% characteristic accuracy for log sweep


• Sweep time: 1 ms to 4000 s (span >0 Hz); 10 µs to 4000 s (zero span); 50 ns to 4000 s with Option AYX; 25 ns to 4000 s with Option B7D


• Sweep accuracy: ±1%


• Trace point range: 101 to 8192 points (2 to 8192 at zero span) Amplitude Specifications


• Displayed average noise level: Typically –167 dBm with internal preamp


• Third-order intercept: Typically +16 dBm


• Resolution bandwidth: 1 kHz to 5 MHz (–3 dB) standard; 9 kHz and 120 kHz (–6 dB) EMI bandwidths


• RBW options with 1DR: 10, 30, 100, 300 Hz (–3 dB) and 200 Hz (–6 dB)


• RBW options with 1DR and 1D5: 1 Hz, 3 Hz (spans ≤5 MHz)


• Video bandwidth: 30 Hz to 3 MHz in 1-3-10 sequence; 1 Hz to 3 MHz with Option 1DR


• Amplitude accuracy: ±0.34 dB absolute (reference settings); ±0.54 dB overall; ±0.5 dB with preamp (Option 1DS) Trigger and Reference Options


• Sweep triggers: Free run, Single, Line, Video, External, Delay, Gate (Option 1D6), TV (Option B7B)


• Delay trigger range: 1 µs to 400 s


• Frequency reference aging: ±2×10⁻⁶/year typical ±1×10⁻⁷/year (Option 1D5)

Key Features

• Multiple trigger modes for flexible measurement synchronization


• Selectable resolution and video bandwidths for EMI and general-purpose analysis


• High sensitivity with –167 dBm typical noise floor


• Internal preamp option for enhanced dynamic range


• Fast sweep times down to 25 ns with Option B7D


• Amplitude accuracy to ±0.34 dB at reference settings

Typical Applications

• RF component characterization and validation


• EMI/EMC compliance measurements


• Microwave signal analysis


• Field service diagnostics


• System integration testing

Compatibility & Integration Frequency reference, bandwidth resolution, and trigger capabilities are configurable through options. External mixer support available with Option AYZ.