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National Instruments 779670-02 PXI RF Analog Signal Generator

The National Instruments 779670-02 is a high-performance PXI RF Analog Signal Generator and it is also known as the PXI-5652. It operates within a frequency range of 500 kHz to 6.6 GHz that makes it suitable for various RF applications. The device offers precise frequency resolution by achieving less than 3 Hz for frequencies below 1.3 GHz, less than 6 Hz for frequencies between 1.3 GHz and 3.3 GHz, and less than 12 Hz for frequencies from 3.3 GHz to 6.6 GHz.The 779670-02 module offers impressive frequency settling times. In wide loop bandwidth mode it can achieve a median settling time of 1.0 ms for a frequency precision of 0.01 ppm. Its internal reference clock exhibits a maximum initial accuracy of ±3 ppm and maintains stability with a maximum temperature variation of ±1 ppm.

The device supports both internal and external reference inputs at 10 MHz for synchronization. Spectral purity is a key feature of the NI 779670-02 along with single sideband phase noise at 10 kHz offset reaching as low as -125 dBc/Hz at 100 MHz. The device also demonstrates low residual FM, with typical values of less than 0.8 Hz RMS at 1 GHz. Jitter performance is exemplary with RMS jitter under 200 femtoseconds at 622 MHz within a 1 kHz to 5 MHz bandwidth.

Modulation capabilities of the 779670-02 Analog Signal Generator include both frequency modulation (FM) and frequency shift keying (FSK). FM supports sine, triangle, and square waveforms with maximum deviations up to 8 MHz for the highest frequency ranges. FSK modulation allows for various modulation waveform types that include PRBS and user-defined along with typical maximum deviations reaching 2 MHz for frequencies up to 6.6 GHz.

The device operates within a wide temperature range of 0°C to 55°C. It is built to withstand demanding environmental conditions such as non-operational shock up to 30 g peak and random vibration. It complies with several safety standards like IEC 61010-1 and UL 61010-1. With a compact 3U PXI form factor and a weight of 415 grams, the NI 779670-02 module offers easy installation and a robust solution for advanced RF signal generation needs.