Description
The NI PXI-2548 is a high-performance PXI Switch designed to meet a variety of testing needs. With a part number of 196213B-01 (778572-48), this module is a versatile component in any PXI system. The PXI-2548 model falls under the category of PXI Switches, specifically designed for applications that require reliable, high-speed switching.
This switch module is characterized as a General-Purpose Switching Module, featuring SPDT (Single-Pole Double-Throw) Relays. These relays are engineered to operate efficiently up to a bandwidth of 2.7 GHz, making the PXI-2548 ideal for a wide range of RF and microwave applications. The insertion loss at 2.7 GHz is exceptionally low, at <1.0 dB (typical <0.7 dB), ensuring minimal signal degradation. Moreover, the module exhibits a Voltage Standing Wave Ratio (VSWR) at 2.7 GHz of <1.7 (typical <1.5), which is indicative of its excellent signal integrity and performance.
One of the distinctive features of the NI PXI-2548 is its onboard relay counting capability, along with programmable resistors. These features add to the module’s versatility, allowing for enhanced testing and measurement flexibility. For connectivity, the PXI-2548 employs a 37-pin D-SUB connector, along with 2×2 Micro-Fit connectors, providing reliable and secure connections for a variety of test setups.
In summary, the NI PXI-2548 offers a robust solution for those in need of a high-frequency, reliable switching module. Its combination of high bandwidth, low insertion loss, and additional features like onboard relay counting and programmable resistors make it a valuable component of any PXI-based test system.
| Specification | Details |
|---|---|
| Part Number | 196213B-01 (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, SPDT (Single-Pole Double-Throw) 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) |
| Features | Onboard relay counting, Programmable resistors |
| Connector Type | 37-pin D-SUB, 2×2 Micro-Fit |
Question 1: What is the bandwidth of the NI PXI-2548?
Answer 1: 2.7 GHz
Question 2: What type of relays does the PXI-2548 use?
Answer 2: Quad SPDT Relays
Question 3: What is the typical insertion loss at 2.7 GHz for PXI-2548?
Answer 3: <0.7 dB
Question 4: Does the PXI-2548 have onboard relay counting?
Answer 4: Yes
Question 5: What type of connector does the PXI-2548 use?
Answer 5: 37-pin D-SUB & 2×2 Micro-Fit



