The Keysight M9405A is a single-slot PXIe RF amplifier module designed for RF and wireless communication testing within automated test systems. It integrates into PXIe or hybrid chassis and operates as either a standalone amplifier or as part of an optical signal distribution network using the M9403A and M9404A converters. The module delivers consistent gain and low noise performance across its operating frequency range, with flexible form factor options to match system requirements.
– Technical Specifications
Frequency Coverage & Gain
• 300 kHz to 26.5 GHz with +27 dB gain (Option F26)
• 300 kHz to 50 GHz with +24 dB gain (Option F50)
• Noise figure: 7 dB @ 26.5 GHz (F26); 9 dB @ 50 GHz (F50)
• Maximum input power: +20 dBm
Form Factor & Thermal
• 1-slot, 3U or 1-slot, 1U PXIe module
• Operating temperature range: 0 to 55 °C
– Key Features
• Dual-option frequency coverage from sub-GHz through millimeter-wave bands
• Low-noise performance suitable for receiver-side signal conditioning
• Standalone or cascaded amplification in optical-extended test architectures
• Direct integration with M9403A/M9404A optical converters for distributed testing
• Flexible slot utilization in mixed PXIe/hybrid chassis environments
– Typical Applications
• Pre-amplification in receiver signal chains to reduce system noise figure
• Post-optical conversion gain compensation in extended-distance RF distribution
• Modular RF signal conditioning within PXIe-based automated test equipment
• Multi-gigahertz wireless device characterization and production test
– Compatibility & Integration
The M9405A operates within PXIe and hybrid chassis such as the M9018A. It requires a PXI or PXI Express embedded controller or external PC with PCI-to-PXI interface adapter (M9048A Desktop Adaptor). Software support includes Keysight IO Libraries Suite, IVI-COM device drivers, and soft front panel. The module connects via standard RF connectors and supports 2×8, 4×4, or 1×4 PXIe system slot link configurations for host communication.
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