National Instruments Corporation NI PXI-2548 2.7 GHz 50 Ohm Quad SPDT Relays
- 50 characteristic impedance
- 2.7 GHz bandwidth
- Insertion loss at 2.7 GHz <1.0 dB (typical <0.7 dB)
- VSWR at 2.7 GHz <1.7 (typical <1.5)
- Onboard relay counting
- Use NI Switch Executive for calibrating losses on each PXI-2548 channel
- Configure Complete PXI System
- Data Sheet
View Support Resources
The NI PXI-2548 is a general-purpose switch module that features four (quad) independent SPDT relays suited for routing signals from DC to 2.7 GHz in 50 RF applications. It can switch up to 30 Vrms or 500 mA at a maximum power rating of 10 W.
Use the PXI-2548 to add flexibility to your switch network or to maintain uniform signal paths across multiple channels when building high-channel-count multiplexers. The module also features excellent insertion loss, voltage standing-wave ratio (VSWR), and isolation parameters to minimize signal degradation. You can use its onboard relay-count-tracking feature to predict relay lifetime and reduce unexpected system downtime.
Note: The bandwidth specification of a switch module, which is not an absolute specification, is determined by vendor standards. Although you can route higher-frequency signals through this switch module, they encounter more degradation than those at lower frequencies. To determine the best switch module for your application, review the insertion loss, VSWR, and isolation specifications of the product for the bandwidth. For more information on choosing the right RF switch for your application, review the "Guide to Selecting an RF Switch" under the Resources tab of this page.