70-0409-009R

SMX-3276 is a PXIe high-density multiplexer module designed for scanning of multiple points to a common bus, in 1, 2, or 4-wire configurations. The SMX-3276 consists of two individual (1 x 76) 1-wire, or two (1x38) 2-wire multiplexers or one 1x76 2-wire mux, that can be interconnected under program control to configure larger multiplexers as required. This eliminates external wiring and helps reduce unterminated stubs. It incorporates extensive signal shielding and exposes shield pins on the front panel connector for tying to the cable shield. This preserves signal integrity throughout the signal path by maintaining the signals at the same reference level as the UUT. In addition, meticulous signal routing is done for impedance matching, signal shielding and cross talk reduction, allowing it to achieve switching performance with bandwidth of <gt/> 30MHz. This performance allows the card to be used with high frequency signals, and signals that have fast rise times and narrow pulse widths.

• (2) 1X38 2 wire fully configurable multiplexer
• Maximum switching voltage of 300VDC, 300VAC
• 2A maximum switching current
• 60W DC, 62.5VA maximum switching power
• <lt/> 8ms switching time
• <lt/> 500mohm path resistance
• Electromechanical, fail-safe relay

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