Picovna5/7/2023 The most common task for a VNA is to measure S-parameters of two-port networks such as amplifiers and filters. These instruments are used for open-loop stability analysis and to characterize audio and ultrasonic components. VNA’s are used primarily at high frequencies, although specialized models also cover frequency ranges as low as 1 Hz. They are substantially the same except for the different upper frequency limits. Pico offers two PC-based models, the Pico VNA 106 6-GHz model, available online for $5,995, and the Pico VNA 108 8.5-GHz model priced at $8,225. The VNA measures amplitude and phase properties. Even if you haven’t purchased the instrument, you can install and use the software in the demo mode to get a good idea of how the instrument displays and functions on you PC.Ī less capable instrument is the scalar network analyzer (SNA), which measures network amplitude properties only. Pico furnishes the software free of charge, downloadable from The user guide is likewise free. As such, they make use of an owner-supplied PC’s processing and display capabilities. The VNA can also operate as a time domain reflectometer, measuring the distance to and nature of a fault, impedance anomaly, complete break or short in a transmission line that is buried, aerial or on the reel.Ī bench-type VNA is more expensive than an oscilloscope or spectrum analyzer, but Pico offers two VNA models that are PC-based. The DUT may be as simple as a single resistor or conductor. The vector network analyzer (VNA) is an advanced member of the oscilloscope family of electronic instruments.
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