The Keysight M9147A is a PXI RF switch module that routes RF signals across four independent 1×4 multiplexers in a single chassis slot. Each multiplexer supports bi-directional switching from DC to 3 GHz with 50 ohm impedance, delivering 1.3 dB insertion loss at 3 GHz and 50 dB isolation at 1 GHz. The terminated common design minimizes signal degradation while maintaining low VSWR. Switching is rated at 30 V, 1 A, and 1 W per path.
– Technical Specifications
• Configuration: Quad 1×4 RF switch multiplexer
• Frequency Range: DC to 3 GHz
• Impedance: 50 ohm inputs
• Insertion Loss: 1.3 dB at 3 GHz
• Isolation: 50 dB at 1 GHz
• Switching Ratings: 30 V, 1 A, 1 W
• Connectors: SMB (high-quality)
– Key Features
• Bi-directional switching within each 1×4 path
• Terminated common configuration for improved RF performance
• Low VSWR signal integrity
• PXI-1 and PXIe hybrid slot compatibility (J1 connector)
• IVI-COM and IVI-C driver support
– Typical Applications
• Multi-channel RF signal routing in automated test systems
• Dynamic RF switching in antenna selection and measurement configurations
• Signal distribution in modular test platforms
– Compatibility & Integration
The M9147A integrates with standard PXI chassis and supports programming through Visual Studio, C, C++, C#, Visual Basic, MATLAB, and LabVIEW via provided drivers. Configuration software includes Keysight Connection Expert, Soft Front Panel applications, and a LabVIEW G driver. National Instruments Switch Executive compatibility is documented. Complete documentation includes RF Switch Modules datasheets, PXI RF Switches Startup Guides, IVI Driver Help, and application notes.
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