The Keysight Agilent E4448A PSA high-performance spectrum analyzer measures and monitors complex RF, microwave, and millimeter-wave signals up to 50 GHz. With optional external mixing, the frequency coverage expands to 110 GHz with Agilent external mixers, and to 325 GHz with other vendors' mixers.

• Frequency Range: Wide frequency coverage from 3 Hz to 50 GHz, expandable to 325 GHz with external mixers
• Frequency Resolution Bandwidth (RBW): Selectable RBW options for detailed spectral analysis
• Dynamic Range: High dynamic range for accurate capture of both weak and strong signals
• Sensitivity: Excellent sensitivity for detection and analysis of low-level signals
• Measurement Speed: Fast measurement speed for real-time signal analysis and troubleshooting
• Display and User Interface: High-resolution display with intuitive user interface
• Advanced Analysis Capabilities: Channel power, ACPR, OBW, and phase noise measurements
• Remote Control and Connectivity: LAN, USB, and GPIB interfaces for automated test systems
• Options and Accessories: Expandable functionality with preamplifiers, tracking generators, and software packages

• ±0.19 dB absolute amplitude accuracy
• -154 dBm displayed average noise level (DANL)
• -118 dBc/Hz phase noise at 10 kHz offset
• 81 dB W-CDMA ACLR dynamic range

• 10 MHz analysis bandwidth (Option B7J for Basic mode)
• Optional 40 or 80 MHz analysis bandwidth for complex signals
• -78 dB (nominal) third order intermodulation for 40 or 80 MHz analysis bandwidth
• Up to 300 MHz analysis bandwidth for calibrated VSA measurements

• Flexible platform with 16 optional, easy-to-use built-in measurement personalities and hardware options
• Agilent's PowerSuite one-button power measurements included as standard