The Agilent/Keysight E4448A PSA Spectrum Analyzer is a high-performance instrument engineered for precise measurement and analysis of complex RF, microwave, and millimeter-wave signals extending to 50 GHz. Built for research, development, and manufacturing environments, it delivers advanced signal analysis, component testing, and EMI measurement capabilities essential to wireless communications, aerospace, and defense applications.
Technical Specifications
• Frequency Range: 3 Hz to 50 GHz (base); up to 110 GHz with Agilent external mixers; up to 325 GHz with third-party mixers
• Amplitude Accuracy: ±0.19 dB absolute
• Displayed Average Noise Level (DANL): -154 dBm
• Phase Noise: -118 dBc/Hz at 10 kHz offset
• W-CDMA ACLR Dynamic Range: 81 dB
• Maximum Dynamic Range (3rd Order @ 1 GHz): 116 dB
• Analysis Bandwidth: Up to 80 MHz standard; optional 40 MHz or 80 MHz (Options 140/122)
• Resolution Bandwidth: 1 Hz minimum to 8 MHz maximum
– Key Features
• Up to 16 measurement personalities for application-specific signal analysis
• One-button measurement routines for simplified operation
• Advanced vector signal analysis integrated with traditional spectrum measurements
• Millimeter-wave and phase noise measurement capabilities
• Spur search and modulation analysis functions
• 1 Hz resolution marker-based counter for signal identification
• Random noise, band power noise, and signal-to-noise ratio measurements
• Gated sweep and gated FFT sweep modes
• Advanced triggering capabilities
• Auto Align feature with manual alignment option; 30-minute warm-up required after 2-hour storage
– Typical Applications
• Cellular and wireless communications signal verification
• Aerospace and defense system testing
• Complex signal characterization and monitoring
• Electromagnetic interference (EMI) analysis
• Component validation in R&D and manufacturing
– Compatibility & Integration
Supports external mixing configurations with Agilent and third-party external mixers for extended frequency coverage to 325 GHz.
















