Spherical Near-Field VerticalArch Measurement SystemSNF-ARCV-2.4

DESCRIPTIONNSI-MI Technologies' Spherical Near-Field Vertical Arch Measurement System, SNF-ARCV-2.4, is an ideal solution for measuring radiation characteristics of non-moving antennas that do not require full spherical coverage and cannot be tested using the planar near-field technique. Three axes of motion revolve around the stationary AUT and an arch frame continuously rotates in the phi axis at speeds up to 5 revolutions per minute. The theta axis carriage carries the measurement probe through 115 degrees of travel along the arch frame, with a linear slide providing precise real time radial adjustment. Proprietary error correction technique is used to further enhance its global accuracy. The versatile system is suitable for advanced phased array and general purpose antenna testing.

TYPICAL APPLICATIONS • Wireless technology• General antenna testing• Satellite antenna testing

FEATURES• Radiation pattern testing of stationary AUT• High positioning accuracy and repeatability• Rotary positioner provides 360° phi rotation of arch• Automatic electronic alignment capability• 3D dynamic on-the-fly probe position correction• Multi-beam, multi-frequency control of RF subsystem• Accurate probe motion from 0–115° in theta

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SPECIFICATIONS Parameters

Construction Steel support columns, upper support, phi rotary stage, and theta arch structure

Drive System Precision stepper motors

Scan Area 360° phi and 0 –115° in theta

Maximum Antenna Diameter 2.4 m (96 in.) diameter measurement sphere

Maximum Probe Weight 22.6 kg (50 lb)

Position Accuracy 0.01° RMS phi, 0.002° RMS theta

Rotational Speed Phi: 30°/second, theta: 6°/second

System Controller NSI-MI controller with serial and parallel I/O interfaces

PC Workstation Windows OS computer with monitor

Position Controller ELE-PMC

RF Receiver System NSI-MI VFA, Keysight PNA, Rohde & Schwarz ZVA

RF Path 26.5, 40 or 50 GHz (phi, theta and radial)

Power 500 W, 100 –240 VAC switchable, 50/60 Hz

CAPABILITIESThe Spherical Near-Field Vertical Arch Measurement System supports NSI-MI, Keysight, and Rohde & Schwarz RF receivers and is capable of measuring amplitude and phase patterns from low frequency to mmWave. The system includes a software workstation preloaded with NSI2000 antenna measurement software and Windows operating system, providing automatic setup of scans based on measurement parameters and desired output. Measured data can be processed for far-field or holographic patterns yielding complete characterization of the antenna’s performance. A single data set provides information on antenna gain, side lobe structure, beam pointing and cross polarization.

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NSI-MI Technologies introduced the world to microwave antenna measurement systems and is the preferred global supplier of antenna, radar cross section, and radome measurement solutions. Today, our innovative products, systems, and services lead the industry in setting new standards for tomorrow’s performance. From world-class in-house testing facilities to delivering industry-leading turnkey systems, we provide the highest quality measurement products on the market.

Our full range of standard products and custom-designed systems are backed by our longstanding commitment to precision-engineered accuracy, reliability, and lasting performance. We provide the right solution for every RF measurement need and our worldwide network of service professionals are always available to offer support.

For more information on ordering NSI-MI Technologies' products, applications or services please contact yournearest NSI-MI office. Our complete sales team information is available at: www.nsi-mi.com/contact-us

LOCATIONS1125 Satellite Blvd., Suite 100 +1 678 475 8300Atlanta, Georgia 30024-4629USA

19730 Magellan Drive +1 310 525 7000Torrance, CA 90502-1104USA

Unit 51 Harley Road +44 7493 235224Sheffield, S11 9SE UK

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Information contained herein shall not be used as a contractual document. All products and their specifications subject to

change without notice. © Copyright 2021, all rights reserved, NSI-MI Technologies | www.nsi-mi.com | sales@nsi-mi.com

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