The Rohde & Schwarz FSH-Z3 is a VSWR bridge accessory that extends the measurement capabilities of FSH series spectrum analyzers. It enables precise characterization of voltage standing wave ratio and reflection coefficients across RF components, antennas, and transmission lines from 10 MHz to 6 GHz. The bridge connects directly to the analyzer’s RF input and tracking generator output, eliminating external cabling complexity while providing calibration standards for open, short, and 50 Ω load conditions.
Technical Specifications
• Frequency Range: 10 MHz to 6 GHz
• Impedance: 50 Ω
• VSWR Bridge Directivity: 30 dB typ. (10 MHz to 1 GHz)
• Calibration Standards: Open, Short, 50 Ω Load
• RF Connectors: N-type
– Key Features
• Direct integration with FSH3, FSH6, and FSH18 spectrum analyzers
• Minimized setup complexity through integrated module design
• Powered and controlled via dedicated analyzer connector
• One-port network analysis capability
• Return loss measurement support
– Typical Applications
• VSWR and reflection coefficient measurement for impedance matching verification
• Antenna performance characterization and mismatch identification
• Cable fault location and distance-to-fault measurements
• Transmission measurements on cables, filters, and amplifiers using the analyzer’s tracking generator
– Compatibility & Integration
The FSH-Z3 is designed exclusively for Rohde & Schwarz FSH series spectrum analyzers. It connects to the analyzer’s RF input and tracking generator output without requiring external cabling adapters. Power and control signals transfer through a dedicated connector on the host analyzer, enabling immediate VSWR and return loss measurements once connected.
