The Keysight E4447A PSA Spectrum Analyzer is a high-performance signal analysis instrument spanning 3 Hz to 42.98 GHz, with optional external mixing capability to 325 GHz. Built on modern all-digital IF architecture, it delivers ±0.19 dB absolute amplitude accuracy and -154 dBm DANL, making it ideal for demanding measurements in cellular communications, aerospace, and defense environments. The analyzer combines precision phase noise characterization, millimeter wave analysis, and modulation measurement capabilities in a single platform.
Technical Specifications
• Frequency Range: 3 Hz to 42.98 GHz; up to 325 GHz with optional external mixing
• Amplitude Accuracy: ±0.19 dB absolute; ±0.11 dB frequency response (typical at 1 GHz)
• Displayed Average Noise Level: -154 dBm
• Phase Noise: -118 dBc/Hz at 10 kHz offset
• Third Order Intercept: +20 dBm TOI (typical at 1 GHz)
• W-CDMA ACLR Dynamic Range: 81 dB
• Analysis Bandwidth: Up to 80 MHz instantaneous bandwidth for time/frequency/modulation domain digitization; 10 MHz available with Option B7J
• Resolution Bandwidth: 160 settings in 10% steps
• Internal Reference: Highly accurate reference signal
• Power Supply: Approximately 275 W total output power via internal assembly
– Key Features
• PowerSuite one-button measurements including channel power, occupied bandwidth, ACP, multi-carrier ACP, CCDF statistics, harmonic distortion, burst power, TOI, spurious emissions, and spectrum emission mask
• Format-based setups for IS-95A, J-STD-008, IS-95C, GSM/EDGE, 3GPP W-CDMA, cdma2000, NADC, PDC, Bluetooth, and TETRA standards
• Gated sweep and gated FFT capability for time-varying signal analysis
• 16 optional measurement personalities
• Optional Noise Figure (E4447A-219), EMC (E4447A-239), and Flexible Digital Modulation Analysis (E4447A-241) personalities
– Typical Applications
Millimeter wave measurements, phase noise characterization, spur searches, modulation analysis, and standards-based power compliance testing across communications and defense sectors.
