The Agilent E4401B is a 1.5 GHz RF spectrum analyzer engineered for signal verification, interference detection, and component characterization across educational, manufacturing, and wireless diagnostic environments. It delivers amplitude accuracy of ±0.5 dB with a displayed average noise level of -147 dBm (typical, 1 GHz, RBW 10 Hz) and spurious-free dynamic range exceeding 80 dB.
Technical Specifications
Frequency Performance
• Frequency span: 1 kHz to 1.5 GHz
• Center frequency resolution: 1 Hz
• Resolution bandwidth: 1 Hz to 3 MHz (1-3-10 sequence)
• Video bandwidth: 1 Hz to 3 MHz (1-3-10 sequence)
• Phase noise: -100 dBc/Hz at 10 kHz offset (typical)
Input & Dynamic Range
• Input impedance: 50 Ohms
• Maximum input level: +20 dBm (10 MHz to 1.5 GHz)
• RF attenuator: 0 dB to 50 dB in 1 dB steps
• Spurious-free dynamic range: >80 dB (typical)
Power & Environmental
• Input voltage: 100-120 VAC or 200-240 VAC, 47-63 Hz
• Power consumption: approximately 100 VA
• Operating temperature: 0°C to 50°C
• Storage temperature: -40°C to 70°C
– Key Features
• Signal level measurement: amplitude, power, voltage
• Channel power and adjacent channel power (ACP) measurement
• Occupied bandwidth determination
• Harmonic distortion and third-order intercept (TOI) characterization
• Triggering modes: free run, video, external
• 1024 × 768 monochrome LCD display
• Minimum attenuator setting: 0 dB; maximum: 50 dB
– Typical Applications
• Communication signal verification
• RF interference source identification
• Electronic component characterization
• Production line testing
– Compatibility & Integration
• GPIB (IEEE-488) for remote control and data acquisition
• RS-232 serial communication
• Centronics parallel port for printer output
• External 10 MHz reference input
• Physical dimensions: 170 mm H × 422 mm W × 467 mm D
• Weight: 15.9 kg
















