Keysight Launches OTA Calibration for Phased Array Antennae



Calibrating a phased array antenna is diminished from hours to minutes.

Keysight Applied sciences, an digital testing and measurement tools supplier, introduces a phased array antenna management and calibration answer, part of its antenna measurement toolset, for satellite tv for pc communication. It allows over-the-air (OTA) management and calibration of phased array antennae.

Satellite tv for pc communication requires greater frequencies and makes use of energetic phased array antenna programs. Phased array antennas use digital means to steer beams to express places to enhance total reliability. Testing these programs is a posh and time-consuming job. The system allows satellite tv for pc designers creating energetic electronically scanned arrays to quickly take a look at their designs throughout early validation.

Satellite GPS network communication scene with aircraft, ship, ground antenna, and car

The phased array calibration algorithms (proprietary) allow measurement of achieve and part for a single phased array component beneath take a look at in an oblique far subject take a look at surroundings. Management over phased array and beam-forming chipsets could be established by way of Normal Instructions for Programmable Instrumentation (SCPI) command set.

It allows varied checks together with efficient isotropic radiated energy (EIRP), radiation sample versus beam scan angle, beam scan and vary loss, cross-polarization isolation, achieve compression, gain-over-noise temperature (G/T), and modulation distortion (error vector magnitude or EVM).

It incorporates a user-friendly software program interface for temperature and vary management. It may be added to present anechoic chambers together with the addition of a PNA-X vector community analyser. It improves pointing accuracy and sidelobe rejection to scale back interference results.


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