The Anritsu ME7838E4X is a 4-port broadband vector network analyzer delivering S-parameter measurements from 70 kHz to 110 GHz, with optional millimeter-wave extensions up to 1.1 THz. Built for passive and active component characterization in microwave and millimeter-wave environments, this instrument combines exceptional dynamic range, measurement stability, and rapid sweep speeds for R&D, system integration, and production testing.
## Technical Specifications
**Frequency Coverage**
• Operating range: 70 kHz to 110 GHz (ME7838E4X)
• Extended configurations available to 220 GHz and beyond with mmWave modules
• Low-frequency extension to 70 kHz provides 8 octaves of information for improved DC extrapolation in device modeling
**Performance Metrics**
• Dynamic range: Up to 123 dB maximum with superior performance exceeding 140 dB; PulseView™ delivers 100 dB dynamic range with 2.5 ns pulse resolution
• Measurement stability: 0.1 dB and 1° S21 stability over 24 hours at 25° C; calibration stability 0.1 dB vs 0.6 dB over 24 hours
• Sweep speed: 30 μsec/point; 55 ms for 201 points at 10 kHz IFBW
• Directivity: Up to 50 dB with positive raw directivity across all bands
• Noise floor: -113 dBm minimum (-119 dBm for extended configurations)
• Output power: Up to +15 dBm at 70 GHz; two independent sources deliver +14 dBm each
## Key Features
• Dual-source architecture for simultaneous measurements and high output power
• Time-domain analysis and impedance measurement capabilities
• Differential measurements supporting 4-port single-ended, mixed-mode, and true differential configurations
• DifferentialView™ analysis for balanced measurement assessment
• calibration stability ensures reliable long-term operation
## Typical Applications
• Passive and active device characterization across microwave and millimeter-wave frequencies
• Component development and validation in research environments
• Production testing and system integration workflows
• Millimeter-wave and sub-terahertz component analysis with optional module configurations
## Compatibility & Integration
The VectorStar platform supports multiple frequency configurations within the ME7838 series, allowing system selection based on specific measurement requirements from 70 kHz through 1.1 THz.


















