Description
The PXIe-5603 is a high-performance RF Signal Downconverter designed and manufactured by National Instruments. This advanced piece of equipment is ideal for applications requiring precise downconversion of RF signals. The model PXIe-5603 comes with part numbers 781429-01 and 781429-02, with a special pre-amp option available for part number 781429-02 to enhance its performance further.
The downconverter boasts a maximum center frequency of up to 3.6 GHz, ensuring it can handle a wide range of signals. It features a SMA female connector type for reliable and secure connections. Additionally, it supports both AC and DC coupling types, providing flexibility in signal integration. The device can safely handle a maximum DC input voltage of ±25 VDC, and it delivers a robust maximum IF output level of +22 dBm, ensuring high-quality signal conversion.
The PXIe-5603 requires 1.7 A at +3.3 VDC and 1.8 A at +12 VDC for its power needs. It is designed with safety in mind, featuring a LO IN maximum safe voltage and a LO OUT maximum safe voltage of 25 VDC and 0 VDC, respectively. The unit weighs approximately 32.0 oz and has dimensions of 8.5 x 1.6 x 5.1 inches, making it a compact yet powerful solution for RF downconversion tasks.
Designed to operate within a temperature range of 0 °C to 55 °C and withstand storage temperatures from -41 °C to 71 °C, the PXIe-5603 ensures reliability under various environmental conditions. Although it has been announced as obsolete by National Instruments, it remains
| Specification | Detail |
|---|---|
| Manufacturer | National Instruments |
| Model | PXIe-5603 |
| Part Numbers | 781429-01, 781429-02 |
| Category | RF Signal Downconverter |
| Pre-amp Option | Available for part number 781429-02 |
| Maximum Center Frequency | Up to 3.6 GHz |
| Connector Type | SMA female |
| Coupling Type | AC and DC |
| Maximum DC Input Voltage | ±25 VDC |
| Maximum IF Output Level | +22 dBm |
| Power Requirements | 1.7 A at +3.3 VDC, 1.8 A at +12 VDC |
| LO IN Maximum Safe Voltage | 25 VDC |
| LO OUT Maximum Safe Voltage | 0 VDC |
| Weight | 32.0 oz |
| Dimensions (W x H x D) | 8.5 x 1.6 x 5.1 in. |
| Operating Temperature Range | 0 °C to 55 °C |
| Storage Temperature Range | -41 °C to 71 °C |
| Obsolete Status | Announced by National Instruments, available from Apex Waves |
Question 1: What is the max frequency of PXIe-5603?
Answer 1: 3.6 GHz
Question 2: What connector type does PXIe-5603 use?
Answer 2: SMA female
Question 3: What is the max IF output level of PXIe-5603?
Answer 3: +22 dBm
Question 4: What power does PXIe-5603 require?
Answer 4: 1.7 A at +3.3 VDC, 1.8 A at +12 VDC
Question 5: Is PXIe-5603 obsolete?
Answer 5: Yes




