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    NSI-700S-200
 Spherical Near-field Scanner for Automotive Test Applications

DESCRIPTION

The NSI model 700S-200 is an ideal system for measuring radiation characteristics of vehicle mounted antennas. The system interfaces with a wide variety of NSI, Agilent, or R&S RF equipment. The Model 700S-200 includes NSI's NSI 2000 Antenna Measurement Software. The system software runs on a Pentium based measurement workstation and provides 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. The Model 700S-200 can be supplied with a variety of options to enhance system performance.

CAPABILITIES

The 700S-200 consists of a 6.5m (21.3 ft)diameter vehicle turntable and an overhead gantry with scanning radius of 12.5m (41 ft). The rotator can support loads up to 4,500 kg (10,000 lbs) and can operate at speeds up to 12 degs/sec. The gantry is a dielectric design to minimize reflections, and is capable of speeds up to 0.5 deg/sec over its travel range of 0 to 90 degrees. At 90 degrees, the gantry is recessed completely below ground level, allowing the turntable to be used for far-field measurements.

FEATURES
  • Radiation pattern testing of vehicle mounted antennas
  • Dielectric gantry
  • In-ground turntable
  • Field Probe
  • RF sub-system
  • Acquisition software
  • Optional radome
  • Optional far-field tower

SPECIFICATIONS
TURNTABLE Diameter of 6.5m (21.3 ft)
4,500 kg (10,000 lbs) load capability
RF rotary joint & slip ring assembly
Position accuracy of +/- 0.1°
Angular velocity of up to 12°/s (2 rpm)
GANTRY Probe scanning radius of 12.5 m (41 ft)
Angular velocity of 0.5°/s
Angular positioning accuracy of 0.1°
Angular range from 0° to 90°
Gantry recesses into the ground at 90°
NSI 2000 SOFTWARE Near-field & Far-field acquisitioin capability
Multi-frequency capability
Hemispherical truncation options
Radome reflection suppressions techniques
Supports all standard NSI instrument drivers
Gantry shown in close to vertical orientation
Gantry undergoing factory testing
Gantry shown recessed below ground level
Radome installation on-site

DIMENSIONS



    NSI rotator undergoing factory testing
LINKS
  • No additional links are curently available.
ORDERING INFORMATION

Please contact the NSI Sales department to order this product.

Nearfield Systems, Incorporated
19730 Magellan Drive, Torrance, CA 90502, USA, Tel: 310.525.7000, Fax: 310.525.7100
Email: sales@nearfield.com. Visit our website: www.nearfield.com