Description
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The PXIe-5603 is a high-performance RF Signal Downconverter manufactured by National Instruments. This downconverter is designed to convert RF frequency to a lower level for digitization, making it an essential component in RF signal analysis and processing.
This model, specifically designed for use as part of the PXIe-5665 Vector Signal Analyzer, offers exceptional compatibility and integration within the system. It features SMA female connectors, ensuring reliable and high-quality connections for your RF signals.
The PXIe-5603 is available in two part numbers: 781429-01 and 781429-02. The latter includes a pre-amp option, providing additional flexibility and performance enhancements for your RF downconversion needs.
Furthermore, this downconverter supports both AC and DC coupling modes, allowing for a broader range of signal types to be processed. It is designed to handle a maximum safe DC input voltage of ±25 VDC, with the IF output capable of reaching up to +22 dBm.
The power requirements for the PXIe-5603 are 1.7 A at +3.3 VDC and 1.8 A at +12 VDC, ensuring efficient operation within your system. Additionally, the LO IN and LO OUT ports are designed to handle maximum safe voltages of 25 VDC and 0 VDC, respectively.
With a weight of 32.0 oz and compact dimensions, the PXIe-5603 is engineered for seamless integration into your PXIe chassis, providing a powerful and efficient solution for RF downconversion.
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| Feature | Specification |
|---|---|
| Manufacturer | National Instruments |
| Model | PXIe-5603 |
| Part Numbers | 781429-01, 781429-02 |
| Category | RF Signal Downconverter |
| Pre-amp Option | Available (Part number 781429-02) |
| Function | Converts RF frequency to a lower level for digitization |
| Compatibility | Part of PXIe-5665 Vector Signal Analyzer |
| Connector Type | SMA female |
| Coupling Modes | AC and DC coupling |
| Maximum Safe DC Input Voltage | ±25 VDC |
| IF Output Maximum Level | +22 dBm |
| Power Requirement | 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
Question 1: What is the PXIe-5603 designed for? Question 2: What connectors does the PXIe-5603 use? Question 3: Does the PXIe-5603 have a pre-amp option? Question 4: What power does the PXIe-5603 require? Question 5: What is the IF output capacity of the PXIe-5603? |



