NSI-300V-30x30垂直平面近场量测系统
The 300V-30x30 is an ideal system for measuring medium and high gain antennas (>15 dBi) with large sizedapertures making it suitable for testing large arrays or reflector antennas. The 300V-30x30 is based on an inverted”T” design and is constructed of steel. For high stability a welded cross-braced dual-rail base is used.This robust design is easy to maintain and align, and highly accurate. The high capacity probe carriage accommodatesprobes as low as L-band including optional roll and Z stages.
The system interfaces with a wide variety of RF equipment and is capable of measuring amplitude and phasepatterns from L-band to mmWave bands. The system includes NSI Antenna Measurement Software.The system software runs on a Pentium based measurement workstation and provides automatic setup ofscans based on measurement parameters and desired output. Measured data can be processed for far-fieldor holographic patterns yielding complete characterization of the antenna’s performance. A single data setprovides information on antenna gain, side lobe structure, beam pointing and cross polarization.The 300V-30x30 can be supplied with a variety of options and can be upgraded to allow for cylindrical orspherical measurements to expand system utility.
- High accuracy planarity <0.004" (0.10 mm) RMS
- 30' x 30' (9.1 m x 9.1 m) scan area
- Precision rack and pinion drive
- L-band to mmWave measurements.
- Inverted "T" frame design for high accuracy
- Far-field, Near-field and Holographic patterns
- Cylindrical and Spherical options available
| SPECIFICATIONS | |
| Construction | Inverted "T" Frame (steel) |
|---|---|
| Drive system | Precision Stepper Motor; Rack and Pinion |
| Scan Area | 30' x30' (9.1 m x 9.1 m) |
| Planarity | <0.004" (0.10 mm) RMS |
| Corrected Planarity (Requiresoptional StructureCorrection Software andProbe Translation Stage) | <0.002” (0.05 mm) RMS |
| Resolution (x,y) | 0.0015” (0.0375 mm) |
| Postition Repeatability | 0.002” (0.05 mm) RMS |
| Scan Speed (X,Y) | X - 10 in/s (0.25 m/s) Y - 15 in/s (0.38 m/s) |
| Probe Carriage Capacity | 125 lbs. (57 kg) maximum recommended, WR1500 |
| System Controller | NSI controller with parallel I/O, andserial interface. |
| Measurement Workstation | Measurement workstation computerwith large LCD monitor. |
| Stepper Motor PowerAmplifier | EIA 19” rack mount.(7” high x 14” deep) |
| Motor Cables | Quick-connect; 40’ (12 m) |
| Scanner Absorber | X-Y Absorber Kit (12” pyramidal cone) |
| Probe | WR90 Open-ended Waveguide Probe SMA (f) transition & Pyramidal absorber (3”) |
| Probe Mount | Angle Bracket - allows mountingprobe in“V” or “H” orientation |
| RF Cables | 20 GHz RF Cables |
| Supported RF Devices | NSI Panther Receiver Subsystemor selection of Agilent, Rohde &Schwarz and Anritsu VNA’s (contactNSI for a complete list) |
| Power | 100-240 VAC switchable, 50/60 Hz, 500 watts |
- Width - 500" (12.7 m)
- Depth - 115" (2.9 m)
- Height - 428" (10.8 m)
- System Weight - 23 000 lbs (10 433 kg) approx.
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