Description
Model: AALMActive antennas that contain on-board amplifiers can generate significant RF power that is radiated during testing. The control of this radiation is not only a human safety consideration, but also requires test environment management which can affect the validity of test data if done poorly. For active antennas that are also phased arrays with beam steering ability, there is a complex calibration process typically done with the use of near-field scanners. The AALM allows for a check of the operation of the modules of the array prior to and during the calibration procedure.
DatasheetFeatures
- Production phased array antenna testing
- RF power monitoring and control
- Compact radiation test environment
- Ensures facility and personnel safety
Options
- An integrated gain standard for quick antenna gain verification
- One or more RF sensors for power level verification of the antenna
- High power RF absorber (with optional forced air cooling)
- Honeycomb air vents equipped with exhaust air fans
- EMI gasket to ensure RF attenuation to safe levels
- RF and Motion safety monitor
- Fire monitoring and suppression system
- RF safety shutoff system
- Infrared camera for power level monitoring
The NSI-MI AALM products are lined with pyramidal microwave absorber. This material typically can withstand 0.8kW/m2 (0.5W/in2) of RF power absorption without any forced air cooling. High power absorber allows for 8kW/m2 (5W/in2) of RF power absorption with forced air cooling. These high-power solutions require careful temperature monitoring, fire detection and suppression systems as well as automated emergency shut-offs.
Two typical AALM systems are shown below:
16 Gain Standards
Stand and Structure
X-Band Operation
Dimensions are roughly 2m (W) x 2m (H) x 3m (L)