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vector network analyzers

The difference between VSWR and the S11 reflection coefficient

March 11, 2022 By David Herres Leave a Comment

A traveling signal along an electrical transmission line reflects back toward the source when one or more events occurs: One or both of the conductors is open at the far end (receiving end). The conductors are shorted at the far end (very common). There is a discontinuity in the characteristic impedance or an electrical fault […]

Filed Under: FAQ, Featured, New Articles, Test Equipment, vector network analyzers Tagged With: FAQ

PC-based VNAs get automated E-Cal, TRL/TRM calibration

January 25, 2022 By Lee Teschler Leave a Comment

pico

The PicoVNA 108 8.5 GHz analyzer now includes automated E-Cal calibration and TRL/TRM calibration. The PicoVNA 108 achieves calibration automation through either male SMA or female SMA E-Cal modules. These are USB-powered and controlled to electronically select the various short, open, load and through reference standards as they are needed within the calibration process. You […]

Filed Under: PC-based Oscilloscopes - PCO, vector network analyzers Tagged With: picotechnology

VNAs cover 9 kHz to 8.5 GHz with 1-Hz resolution

July 20, 2021 By Lee Teschler Leave a Comment

saelig

The Siglent SNA5000A series of two- and four-port vector network analyzers offer a frequency analysis range of 9 kHz up to 8.5 GHz with a resolution of 1 Hz, a dynamic range of 125 dB, and a level resolution of 0.05 dB. The Siglent SNA5000A series consists of four models (4.5 GHz or 8.5 GHz […]

Filed Under: Test Equipment, vector network analyzers Tagged With: saeligcompanyinc, Siglent

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