Description
The product with the part number 778339-01 falls under the category of PXI Switches. Specifically, it is the model PXI-2591, which is a NI PXI-2591 RF Switch. This particular model is a 4X1 GHz Multiplexer with a characteristic impedance of 50 Ohms. It is designed to handle a signal frequency range from DC to 4 GHz.
The maximum voltage rating for this RF switch is 30 Vrms, and it can handle a maximum current of 330 mA. When it comes to performance, the insertion loss is less than or equal to 0.6 dB at 2.5 GHz, and less than 0.9 dB at 4 GHz. Both the switching voltage and the switching current maximum are 30 V and 0.33 A respectively, with a carry current maximum also at 0.33 A. The maximum switching power capacity of the device is 10 Watts.
For connectivity and integration, it supports STAR and PXI trigger lines 0-7, with a minimum pulse width of 70 ns. The relay type used is non-latching electromechanical with gold contact material, ensuring reliable operation and longevity. The operate/release time is 15 ms, and it can withstand up to 5,000,000 mechanical cycles and 100,000 electrical cycles, indicating a durable and robust design.
The unit features 5 x SMA jacks for I/O connectors, making it versatile for various configurations. It weighs 225 g (8 oz), making it relatively lightweight and easy to integrate into existing systems.
| Specification | Detail |
|---|---|
| Part Number | 778339-01 |
| Category | PXI Switches |
| Model | PXI-2591 |
| Description | NI PXI-2591 RF Switch, 4X1 GHz Multiplexer, 50 OHms |
| Signal Frequency Range | DC to 4 GHz |
| Characteristic Impedance | 50 ohms |
| Maximum Voltage Rating | 30 Vrms |
| Maximum Current | 330 mA |
| Insertion Loss | ≤0.6 dB at ≤2.5 GHz, <0.9 dB at ≤4 GHz |
| Switching Voltage | 30 V |
| Switching Current (Max) | 0.33 A |
| Carry Current (Max) | 0.33 A |
| Maximum Switching Power | 10 Watts |
| Trigger Signals | STAR and PXI trigger lines 0-7, 70 ns min pulse width |
| Relay Type | Non-latching electromechanical, Gold contact material |
| Operate/Release Time | 15 ms |
| Mechanical Cycles | 5,000,000 |
| Electrical Cycles | 100,000 |
| I/O Connectors | 5 x SMA jacks |
| Weight | 225 g (8 oz) |
| Dimensions (H×W×D)
Question 1: What is the maximum frequency range of PXI-2591? Answer 1: DC to 4 GHz Question 2: What is the max voltage rating for the PXI-2591? Question 3: How many SMA jacks does the PXI-2591 have? Question 4: What’s the maximum current the PXI-2591 can handle? Question 5: How many mechanical cycles can the PXI-2591 withstand? |



