Anritsu MS4644B VectorStar Vector Network Analyzer

Overview

The Anritsu MS4644B is part of the VectorStar family, Anritsu's premium line of vector network analyzers. Covering 10 MHz to 40 GHz with 2-port configuration, it delivers the highest performance on a modern platform designed for device modeling engineers, R&D teams, and manufacturing environments. The MS4644B provides comprehensive measurement capabilities including S-parameters, frequency-swept and time-domain analysis, and advanced characterization modes.

Key Features

• Frequency coverage from 10 MHz to 40 GHz with 2-port configuration
• Superior dynamic range up to 142 dB for precise low-level measurements
• High output power up to +14 dBm for enhanced source drive capability
• Best test port directivity performance up to 50 dB
• Pulse measurements with 2.5 ns resolution and 100 dB dynamic range via PulseView option
• IMDView software for intermodulation distortion measurements with real-time display
• DifferentialView analysis for 4-port differential device characterization
• Noise figure measurements using cold-source technique
• Universal Fixture Extraction (UFX) for advanced de-embedding and fixture removal
• Expandable with options including dual source, internal combiner, IF digitizer, and time-domain analysis

Applications

• Device modeling and characterization for design engineers
• R&D development with advanced measurement modes and real-time analysis
• Manufacturing testing and production verification
• RF and microwave component testing and troubleshooting
• Active and passive device characterization
• System integration and calibration
• Optoelectronic device measurement with optional O/E calibration module