The Agilent/Keysight 89441A is a vector signal analyzer operating from DC to 2.65 GHz, delivering scalar and vector analysis modes for comprehensive signal characterization. It performs complex signal analysis, digital modulation analysis, AM/FM/PM demodulation, and vector spectrum analysis with advanced time-domain processing capabilities. The instrument supports W-CDMA analysis through multiple optional configurations, making it suitable for wireless communications development, manufacturing, and research environments.
Technical Specifications
Frequency Range: DC to 2.65 GHz
Analysis Modes:
• Scalar mode: Frequency-domain analysis only; spans up to 2648 MHz
• Vector mode: Frequency and time-domain analysis with phase and amplitude characteristics; spans up to 7 MHz (8 MHz with Option 89441A-AYH)
• Vector Baseband mode: Up to 10 MHz span
Bandwidth & Resolution:
• Information Bandwidth: 7 MHz
• Resolution Bandwidth (RBW): 312.5 µHz to 3 MHz in 1, 3, 10 sequences or arbitrary steps
Measurement Capabilities:
• Complex and digital modulation analysis
• AM/FM/PM demodulation
• Vector modulation analysis (optional)
• Time-selective and time-gated spectrum analysis
• W-CDMA code domain power (Options 89441A-B73, 89441A-080, 89441A-B79)
• Adjacent channel power and occupied bandwidth
• Modulation accuracy, adaptive equalization (optional), and impulse/frequency response
• Constellation, eye, and vector diagrams
• Frequency counter and band power statistics
Optional Internal RF Signal Source:
• Bandwidth: Up to 7 MHz
• Waveform types: Sine waves, periodic chirps, pseudo-random noise, arbitrary waveforms (up to 16,384 complex points)
– Key Features
• Selectable 50 ohm or 75 ohm input impedance
• Multiple W-CDMA analysis options supporting 3GPP and ARIB standards
• Time-domain demodulation and vector analysis in single instrument
– Compatibility & Integration
Interfaces: GPIB (IEEE 488.1 and 488.2), external reference in/out, RS-232, Centronics port, active probe power connector, optional LAN and second GPIB
Power: Less than 1025 VA with all options; operates from 90–140 Vrms or 198–264 Vrms single-phase AC at 47–63 Hz
