Description
The NI PXI-2548 is a high-performance PXI Switch designed for general-purpose switching applications. It features a 2.7 GHz bandwidth and is well-suited for a wide range of RF and microwave applications. The model number for this particular unit is PXI-2548, and it carries the part number 778572-48.
This switch module boasts a configuration of Single-Pole Double-Throw (SPDT), independent relays, making it highly versatile for various testing and signal routing needs. Its insertion loss at 2.7 GHz is impressively low, typically less than 0.7 dB, but guaranteed to be below 1.0 dB. Similarly, its Voltage Standing Wave Ratio (VSWR) at 2.7 GHz is less than 1.7, with typical values even lower, below 1.5, ensuring minimal signal reflection and maximum power transfer.
The PXI-2548 utilizes a 37-pin D-SUB connector on the front panel and 2×2 Micro-Fit connectors, facilitating easy and reliable connections to a wide array of devices and systems. One of its noteworthy features is the onboard relay counting, which aids in monitoring and managing the lifespan of the relays, adding to the module’s reliability and durability.
In summary, the NI PXI-2548 is a General-Purpose Switching Module that combines high-frequency performance, versatility, and reliability, making it an ideal choice for engineers and technicians working in the fields of RF communication, signal processing, and electronic testing.
| Specification | Detail |
|---|---|
| Part Number | 778572-48 |
| Category | PXI Switches |
| Model | PXI-2548 |
| Description | NI PXI-2548 2.7 GHz 50 Ohm Quad SPDT Relays |
| Type | General-Purpose Switching Module |
| Configuration | Single-Pole Double-Throw (SPDT), Independent Relays |
| Bandwidth | 2.7 GHz |
| Insertion Loss at 2.7 GHz | <1.0 dB (typical <0.7 dB) |
| VSWR at 2.7 GHz | <1.7 (typical <1.5) |
| Connector Type | 37-pin D-SUB (front panel), 2×2 Micro-Fit |
| Features | Onboard relay counting |
Question 1: What is the bandwidth of the NI PXI-2548?
Answer 1: 2.7 GHz
Question 2: What is the typical insertion loss at 2.7 GHz for PXI-2548?
Answer 2: <0.7 dB, but guaranteed <1.0 dB
Question 3: What type of relay configuration does the PXI-2548 have?
Answer 3: Quad SPDT
Question 4: What connector does the PXI-2548 use?
Answer 4: 37-pin D-SUB and 2×2 Micro-Fit
Question 5: Does the PXI-2548 have onboard relay counting?
Answer 5: Yes



