NSI-200V-3x3G垂直平面近场量测系统
The 200V-3x3 is an ideal system for measuring medium and high gain antennas (>15 dBi) with small apertures making it suitable for testing feeds and small arrays or reflector antennas on frequencies that may exceed 50 GHz. The 200V-3x3G is based on an inverted "T" design and is constructed of modular high strength aluminum vertical beam riding on steel rails mounted on a granite slab. This design allows enhanced accuracy and improved mechanical stability as a function of temperature.
The system interfaces with a wide variety of RF equipment and is capable of measuring amplitude and phase patterns from S-band to mmWave bands. The system includes NSI Antenna Measurement Software. The system software runs on an Intel 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 complete characterization of the antenna's gain, side lobes structure, beam pointing and cross polarization. The Model 200V-3x3 can be supplied with a variety of options and can be upgraded to allow for cylindrical or spherical measurements to expand system performance.
- 3' x 3' (0.9 m x 0.9 m) Scan Area
- S-band to mmWave Measurements
- Inverted "T" Frame Design and Granite Base for Enhanced Accuracy
- Far-field, Holographic and Near-field Patterns
- Cylindrical and Spherical Options Available
- Opt 100 - 220VAC 50 Hz Operation
- Opt 101 - European Version
- NSI-SC-5620 - Probe Translation Stage, 4" (100 mm) Travel
- NSI-SC-5630 - Probe Roll Stage (100 mm) with 26.5 GHz rotary joint
- NSI-SW-5301 - Upgrade NSI Standard Edition Software to Professional
- NSI-SW-5105 - Motion Tracking Interferometer (MTI) Software
| SPECIFICATIONS | |
| Construction | Inverted "T" Frame (aluminum) on Granite base |
|---|---|
| Drive system | Precision Stepper Motor |
| Scan Area | 3’ x 3’ (0.9 m x 0.9 m) |
| Planarity | <0.001" (0.025 mm) RMS |
| Corrected Planarity (Requires optional Structure Correction Software and Probe Translation Stage) | N/A |
| Resolution (x,y) | 0.002” (0.05 mm) |
| Postition Repeatability | 0.002” (0.05 mm) RMS |
| Scan Speed (X,Y) | 15 in/s (0.38 m/s) |
| Probe Carriage Capacity | 10 lb (4.5 kg) maximum recommended, WR284 |
| System Controller | NSI controller with parallel I/O, and serial interface. |
| Measurement Workstation | Measurement workstation computer with large LCD monitor. |
| Stepper Motor Power Amplifier | EIA 19” rack mount. (7” high x 14” deep) |
| Motor Cables | Quick-connect; 40’ (12 m) |
| Scanner Absorber | X-Y absorber kit (5” pyramidal cone) |
| Probe | WR90 Open-ended Waveguide Probe SMA (f) transition & Pyramidal absorber (3”) |
| Probe Mount | Angle Bracket - allows mounting probe in “V” or “H” orientation |
| RF Cables | Qty. 2 - Flexible 15’ (4.5 m) with SMA (m-m) coaxial connectors; DC-20 GHz |
| Supported RF Devices | NSI Panther Receiver Subsystem or selection of Agilent, Rohde & Schwarz and Anritsu VNA’s (contact NSI for a complete list) |
| Power | 100-240 VAC switchable; 47-63 Hz, 500 watts |
- Width - 52" (1.3 m)
- Depth - 19" (0.5 m) (excluding probe)
- Height - 62" (1.6 m)
- System Weight - 650 lbs (295 kg) approx
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