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AMS-8040 Over-The-Air Test Lab

AMS-8040 Over-The-Air Test Lab

THE ETS-LINDGREN AMS-8040 is a self-contained enclosure for making wireless device over-the-air performance measurements. The unit can be used for design verification, pre-certification, production sample testing, desense and regression testing.

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AMS-8040 Manual Product Manual

AMS-8040 Datasheet Product Datasheet

Key Features

  • 400 MHz – 6 GHz Frequency Range
  • > 80 dB Typical RF Isolation
  • 1 m Path Length
  • Two-axis DUT Positioner
  • DUT I/O Ports:
    – 2 SMA Connectors
    – 3 Type N Connectors
  • Roll-about Casters for Mobility
  • Onsite Setup and Training

Description

THE ETS-LINDGREN AMS-8040 is a self-contained enclosure for making wireless device over-the-air performance measurements. The unit can be used for design verification, pre-certification, production sample testing, desense and regression testing. Rolling casters and the ability to pass through 0.9 x 2.1 m (3 x 7 ft.) doors, allow the unit to be readily moved between test groups.

FEATURES

Antennas

The AMS-8040 is equipped with a Model 3165-02 dual polarized, dual Vivaldi array antenna for both linear and circular measurements over the frequency range of 400 MHz to 6 GHz. The antenna is mounted on a removeable accesss panel at the top of the enclosure. The antenna can be interchanged with another antenna of a different frequency if needed. Two multi-polarized antennas are used for communication with the DUT.

Two-Axis Positioner

3-D antenna measurements can be made using the AMS-8040’s two-axis positioner. The positioner is constructed of low-dielectric materials and is designed for handheld devices weighing up to 454 g (1 lb.). The positioner is controlled by EMQuest™ Software.

RF Shielding

The AMS-8040 is constructed with the same RF shielding and shielded door technology used in the construction of our larger, full certification wireless test chambers. The RF shielded door uses compressible finger stock in a “knife edge” configuration. Two latch points with a single point handle provide secure sealing and one-hand operation. Typical RF isolation of both the shielding and door is greater than 80 dB.

Anechoic Absorber

FlexSorb™, a flexible RF absorber that bends and returns to its original form, is used in AMS-8040 to eliminate breakage from extended lab use. The absorber is performance optimized and limits reflections and moding, for more accurate, repeatable measurements. Tapered wedges line the walls, pyramidal absorber is used on the floor, and lossy foam lines the antenna.

Connector Panel

A connector panel (bulkhead feedthrough) is included with the AMS-8040. The panel includes a power line filter, two SMA connectors and three Type N Connectors for customer use. Two ST connectors are reserved for the Two-Axis Positioner, and two additional Type N connectors are reserved for the two DUT communication antennas.

EMQuest Data Acquitision and Analysis Software

The AMS-8040 System includes our versatile EMQ-100 Antenna Pattern Measurement Software. The software makes fully-automated pattern and frequency response measurements for active antennas. Post-processing capabilities include calculations for directivity, gain, radiation efficiency, total radiated power and total isotropic sensitivity. EMQ-100 also calculates industry specific quantities such as Near- Horizon Partial Isotropic Sensitivity required by the CTIA Test Plan for Mobile Station Over-the-Air Performance.

Advanced graphing capabilities allow data to be shown in a variety of 2-D and 3-D formats, exported to Microsoft Excel™, PDF files or saved in RTF format.

APPLICATIONS

The AMS-8040 is designed to provide an environment for relative OTA radiation performance of wireless devices. It can be used to measure approximate EIRP, EIS or RSSI in a given direction and polarization (DUTs are positioned with the included two axis positioner). These results can be used to compare the behavior of multiple identical devices, or the same device under different conditions such as external interference or desensitization due to other platform components or radios.

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Information presented is subject to change as product enhancements are made. Contact ETS-Lindgren Sales Department for current specification.