The NI PXI-2594 is a 2.5 GHz, 50 Ω, 4x1 PXI RF multiplexer switch module with electromechanical relays.
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Key product information and technical features.
The PXI-2594 routes high-frequency signals in automated test equipment systems. Its 4x1 multiplexer topology provides four channels in a single bank, with 50 Ω characteristic impedance and 2.5 GHz switch bandwidth.
The module belongs to NI's PXI RF and microwave switch family and uses a PXI Hybrid bus connection. Electromechanical relays provide switching, with maximum switching voltages of 30 V AC and 30 V DC.
Verified product specifications.
| Bus Connection | PXI Hybrid |
|---|---|
| Maximum Switching Voltage AC | 30 V |
| Relay Type | Electromechanical |
| Switch Bandwidth | 2.5 GHz |
| Characteristic Impedence | 50 Ohm |
| Max Insertion Loss | -1.35 dB |
| Number of Channels | 4 |
| Number of Banks | 1 |
| Termination | No |
| Supported Hardware Platform | PXI |
| Maximum Carry Current AC | 0.5 A |
| Maximum Switching Current DC | 0.5 A |
| Maximum Switching Voltage DC | 30 V |
| Mode (n-wire) | 1-wire |
| Number of Columns | 1 |
| Number of Rows | 4 |
| Row Access | Yes |
| Scan Rate | 45 cycles/s |
| NI part numbers | 778572-94 |
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Product-specific answers based on available technical information.
It is a 4x1 PXI RF multiplexer switch module with 2.5 GHz bandwidth and 50 Ω characteristic impedance.
The recorded NI part number is 778572-94.
The PXI-2594 uses electromechanical relays.
The maximum switching voltage is 30 V AC and 30 V DC.