Agilent/Keysight E4404B

The Agilent/Keysight E4404B is a portable spectrum analyzer for RF and microwave signal analysis, delivering measurement speed, dynamic range, and accuracy across 9 kHz to 6.7 GHz. Built on the ESA-E platform, it balances performance and economy for R&D, field service, and production environments. A flexible architecture supports optional measurement personalities and analysis capabilities without sacrificing portability or ease of use.

– Technical Specifications

Frequency Performance
• Frequency range: 9 kHz to 6.7 GHz
• Resolution bandwidth: 1 kHz standard; options include 10 Hz, 30 Hz, 100 Hz, 300 Hz, and 1 Hz (Option 1D5)
• Maximum RBW: 5 MHz
• EMI bandwidths: 9 kHz and 120 kHz (–6 dB)
• Minimum sweep time: 1 ms; 50 ns in zero span
• Frequency span accuracy: ±0.5% with 8192 sweep points

Amplitude Characteristics
• Overall amplitude accuracy: ±0.4 dB
• Displayed average noise level (DANL): –167 dBm with internal preamp (Option 1DS)
• Third order intercept (TOI): +16 dBm
• 1 dB gain compression: 0 dBm (50 MHz to 6.7 GHz)

– Key Features

• PowerSuite inclusion: channel power, occupied bandwidth, adjacent channel power (ACP), multi-carrier ACP, power statistics (CCDF), harmonic distortion, burst power, intermodulation distortion, spurious emissions, and spectrum emissions mask
• Segmented sweep capability: up to 32 discontinuous spans in one sweep
• Analysis bandwidth: 10 MHz maximum
• Demodulation bandwidth: 10 MHz
• Automatic background alignment and amplitude correction
• High-stability frequency reference (Option 1D5)
• Time-gated spectrum analysis (Option 1D6)

– Optional Measurement Personalities

• Phase noise and noise figure analysis
• GSM/EDGE, cdmaOne demodulation
• Bluetooth demodulation (Options 106/228/304)
• Modulation analysis (Option 229)
• Cable fault location (Option 225)
• CATV service and installation (Option 227)

– Typical Applications

Signal characterization, transmitter validation, interference detection, EMI/RFI surveys, and multicarrier power measurement across communications, aerospace, and wireless service bands.