The NI PXI-2593 is a 500 MHz, 50 Ohm RF multiplexer switch module designed for high-bandwidth signal routing in automated test and measurement systems. This single-slot PXI module delivers 80 dB isolation and 0.9 dB insertion loss, enabling flexible matrix configurations across multiple RF and microwave test scenarios.
Technical Specifications
RF Performance
• Bandwidth: 500 MHz
• Characteristic Impedance: 50 Ω
• Insertion Loss: 0.9 dB (typical)
• Isolation: 80 dB (typical)
• VSWR: 1.40:1 (typical)
• Channel-to-Channel Skew: <100 ps per 8-channel bank
• Maximum RF Carry Power: 10 W per channel
Electrical Parameters
• Switching Voltage: 150 V maximum (CAT I, channel-to-channel and channel-to-ground)
• Impulse Withstand: 800 V
• Switching Power: 10 W maximum
• Current: 0.5 A
• Power Consumption: 10 W
• Contact Resistance: Typically low; rises above 1.0 Ω at end-of-life
Physical
• Module Size: 3U, 1 slot
• Dimensions: 21.6 × 13.0 × 2.0 cm (8.5 × 5.1 × 0.8 in.)
• Weight: 12 oz
• Connectors: 18 MCX female jacks; 2 SMB trigger connectors
– Key Features
• Multiple matrix topologies: 2×16, 4×14, 9×9 configurations
• Programmable as unterminated, externally terminated, or sparse matrix multiplexers
• Standard modes include 16×1, 8×1 terminated, and dual 4×1 terminated multiplexers
• Electro-mechanical relay switching for reliable high-frequency operation
• Single PXI slot deployment minimizes chassis footprint
– Typical Applications
• Automated RF and microwave test systems
• Multi-channel signal routing and switching
• Component characterization and validation
• Production test environments requiring flexible matrix routing
– Compatibility & Integration
The PXI-2593 integrates with PXI and PXI Express hybrid slots. Compatible with high-frequency instruments including the NI PXI-5404 frequency generator and NI PXI-5112 high-speed digitizer for complete test system integration.
