The Keysight M9165A is a PXIe solid-state switch matrix module that routes RF and microwave signals in automated test systems. Its 2×8 full-crossbar architecture supports flexible signal routing across multiple ports, making it ideal for multiport measurements, VNA solutions, and large-scale test scenarios including 5G massive MIMO antenna characterization. The module maintains high isolation to suppress crosstalk and delivers fast switching with ultra-long cycle life for demanding production environments.
Technical Specifications
Frequency Performance
• Operating Range: 300 kHz to 6.5 GHz (versions available to 18 GHz)
• Switch Matrix: 2×8 full-crossbar configuration
• Maximum Active RF Paths: 2 simultaneous connections per switching state
• Port Termination: Inactive ports internally terminated to 50 ohms
Switching Characteristics
• Switching Speed: Fast transition between states
• Switch Cycle Life: Ultra-long operational life
• Isolation: High, optimized to minimize crosstalk between signal paths
Control & Interface
• Software Control: Soft Front Panel provided or IVI command interface
• Host Integration: PC-based command control via standard instrumentation protocols
– Key Features
• Solid-state design eliminates mechanical relay wear and delivers consistent performance across millions of cycles
• Integrated 50-ohm termination on dormant ports reduces reflections and measurement artifacts
• Temperature-stable performance ensures predictable operation across operating conditions
• PXIe form factor enables modular integration into larger automated test systems
– Typical Applications
• Multiport vector network analyzer (VNA) configurations
• Multi-device-under-test (multi-DUT) switching and sequencing
• 5G massive MIMO antenna array measurements
• RF and microwave signal routing in production test environments
• Standalone switching solutions for general laboratory automation
– Compatibility & Integration
The M9165A integrates directly into PXIe chassis alongside complementary test modules. Software control via industry-standard IVI drivers enables straightforward integration into LabVIEW, TestStand, and other test automation frameworks. The module operates in low-condensation indoor environments and complies with Keysight Technologies product operating specifications.
