Description
The part number 778572-54 refers to a PXI Switch categorized under the model PXI-2554. This specific model is described as a 2.5 GHz 75 Ohm 4×1 Multiplexer, indicating its capability to connect a single output to any one of the four inputs, operating efficiently within a frequency range from DC to 2.5 GHz. The device maintains a characteristic impedance of 75 Ohm, ensuring compatibility with systems requiring this specification.
Regarding its durability and performance metrics, the PXI-2554 can handle a maximum voltage rating of 30 Vrms and a maximum switching current of 500 mA. The switch bandwidth is equally impressive at 2.5 GHz, demonstrating its ability to operate effectively at high frequencies. The underlying technology of this device is based on Electromechanical Relays, known for their reliability in switching applications.
With a single bank containing 4 channels, this multiplexer can perform multiple switching tasks efficiently. The minimum pulse width supported is 150 ns, allowing for quick signal changes. Moreover, the maximum insertion loss at 2.5 GHz is less than 1.7 dB (with common less than 1.2 dB), and the Voltage Standing Wave Ratio (VSWR) at 2.5 GHz is less than 1.75 (with typical less than 1.5), highlighting the device’s effectiveness in maintaining signal integrity.
Lastly, the PXI-2554 is supported by NI-SWITCH and NI Switch Executive software, ensuring easy integration and management within test systems. This level of software support enhances the user experience by simplifying the configuration and operation of the multiplexer within various applications.
| Specification | Detail |
|---|---|
| Part Number | 778572-54 |
| Category | PXI Switches |
| Model | PXI-2554 |
| Description | 2.5 GHz 75 Ohm 4×1 Multiplexer |
| Frequency Range | DC to 2.5 GHz |
| Characteristic Impedance | 75 Ohm |
| Maximum Voltage Rating | 30 Vrms |
| Maximum Switching Current | 500 mA |
| Switch Bandwidth | 2.5 GHz |
| Type | Electromechanical Relays |
| Bank | 1 |
| Channels | 4 |
| Minimum Pulse Width | 150 ns |
| Maximum Insertion Loss at 2.5 GHz | <1.7 dB (common <1.2 dB) |
| VSWR at 2.5 GHz | <1.75 (typical <1.5) |
| Software Support | NI-SWITCH, NI Switch Executive
Question 1: What is the max voltage rating of PXI-2554? Answer 1: 30 Vrms Question 2: What is the impedance of the PXI-2554? Question 3: What type of relays does PXI-2554 use? Question 4: What software supports the PXI-2554? Question 5: What’s the max insertion loss at 2.5 GHz for PXI-2554? |



