The National Instruments 781339-02 PXIe Vector Signal Analyzer is a high-performance instrument within the PXIe-5663E model series, known for its expansive instantaneous bandwidth and multifunctional capabilities. This analyzer offers a frequency range from 10 MHz to 6.6 GHz, with a remarkable tuning resolution of 533 nHz, enhancing its accuracy for diverse RF measurements. Its equalized bandwidth varies depending on the tuned frequency, enabling 10 MHz to 50 MHz bandwidth capabilities for efficient multiband testing. The 781339-02 supports RF list mode for swift and deterministic adjustments, making it ideal for evaluating both standard and custom modulation formats, including GSM, WCDMA, LTE, and Bluetooth, among others.

Designed with software-defined architecture, the 781339-02 is adaptable for various communication technologies while maintaining cost-effectiveness. Its internal frequency reference operates at 10 MHz, with exceptional temperature stability of ±1 x 10^-6 and a minimal aging rate of ±5 x 10^-6 per year. The analyzer also accommodates an external frequency reference input of 10 MHz with specified amplitude requirements. Moreover, the device demonstrates minimal local oscillator leakage and exceptional third-order intermodulation distortion performance, further confirming its suitability for high-fidelity RF analysis.

Key input and output parameters include a system IF frequency range of either 187.5 MHz ± 25 MHz or 53 MHz ± 10 MHz, and a maximum sample rate of 150 MS/s. With available onboard memory options of 64 MB or 256 MB, combined with a flexible digital downconverter bandwidth, the 781339-02 is engineered to provide versatile solutions for a wide range of applications in signal analysis and communication testing.