The National Instruments part number 781262-01 designates the PXIe-5673E PXI Vector Signal Generator, which operates at a frequency of 3.3 GHz. This product consists of interconnected modules that function collectively as a sophisticated signal generation system. The configuration includes the PXIe-5450/5451 Arbitrary Waveform Generator, the PXIe-5611 I/Q Modulator, and the PXIe-5650/5651/5652 Local Oscillator Source Module. The 781262-01 is equipped with 128 MB of RAM, ensuring ample memory for comprehensive testing applications, while an alternate configuration with 512 MB of RAM is available under part number 781262-02.

The front panel design of the 781262-01 features multiple connectors optimized for seamless integration, including eight SMA Female connectors on the I/Q Modulator, two on the LO Source Module, and six on the Arbitrary Waveform Generator. Additionally, the Arbitrary Waveform Generator is equipped with two SMB connectors. Power requirements vary by module, with the I/Q Modulator consuming approximately 10.5 W, the Arbitrary Waveform Generator drawing 32.7 W for the PXIe-5450 or 37.5 W for the PXIe-5451, and the LO Source Module using 12.6 W of typical DC power.

Designed to perform reliably across a diverse array of environmental conditions, the 781262-01 supports operation at altitudes of up to 2,000 meters, within a temperature range of 0 °C to 55 °C, and has a total weight of 1,458 g (52 oz). In addition, the device boasts a peak operating shock rating of 30 g. This product is backed by a three-year warranty from National Instruments, ensuring peace of mind for users seeking a robust and high-performance signal generation solution.