NI PXI-5660 Help Download the archived PDF Table of contents NI PXI-5660 Help Conventions Key Terms Digitizer Downconverter IF Module ni5660 PLL RF RF Vector Signal Analyzer Fundamentals Programming Flow Small Span Signals and Sample Rates RF Attenuation and Signal Levels Add-On Software for Measurement and Analysis Examples Guidelines for Accurate Measurements General Amplitude/Spectrum Harmonic Distortion Two-Tone Third-Order Intermodulation Distortion 1 dB Gain Compression Noise Figure Programming ni5660 VI Reference ni5660 Close ni5660 Configure for IQ ni5660 Configure for Spectrum ni5660 Configure Reference Clock ni5660 Initialize Acquire IQ ni5660 Fetch IQ ni5660 Initiate IQ ni5660 Read IQ Acquire Spectrum ni5660 Read Averaged Power Spectrum ni5660 Read FFT Spectrum Examples NI 5660 RF Vector Signal Analyzer NI 5660 Overview NI 5660 Theory of Operation NI 5660 Hardware Front Panels NI 5600 RF Downconverter Module NI 5620 IF Digitizer Module NI 5660 Signal Paths NI 5600 RF Downconverter Module Block Diagram NI 5620 IF Digitizer Module Block Diagram Calibration Important Information Technical Support and Professional Services Warranty Copyright Trademarks Patents Warning Regarding the Use of NI Products Related Documentation next page