As a professional testing device, the double-layer antenna testing fixture is mainly used for detecting the performance and quality of multi-layer antenna components, and it is widely applied in the antenna production and testing processes of industries such as communication equipment, automotive electronics, and consumer electronics.
The double-layer antenna testing fixture, as a professional testing device, is mainly used for detecting the performance and quality of multi-layer antenna components, and is widely applied in the antenna production and testing processes of industries such as communication equipment, automotive electronics, and consumer electronics.
Main Features: It has the ability to detect the double-layer antenna structure simultaneously. It is equipped with a high-precision positioning system. It has an automated testing process. It can achieve the functions of data collection and analysis. It is compatible with the testing of various types of antennas.
Key Points of the Fixture Design
Mechanical Structure Design
Layered Architecture: There are independent upper and lower testing platforms, and the distance between the layers can be adjusted within the range of 50 - 200mm.
Positioning System: Precision guide columns are matched with linear bearings, and the positioning accuracy can reach ±0.02mm.
Material Selection:
Main Frame: Aviation aluminum materials are selected to achieve lightweighting.
Contact Components: Beryllium copper alloy is used because of its good electrical conductivity.
Insulating Components: PEEK or PTFE is selected, and these two materials perform excellently in terms of high-frequency characteristics.
Electrical System Design
Testing Interface: SMA/K type coaxial connectors are used. Pogo Pin contact-type testing points are set.
Signal Processing: It is equipped with an interface for a vector network analyzer. There is an impedance matching circuit. There is a noise filtering circuit.
Software Control System: It has an automated testing program. It has a data collection and analysis module. It has a built-in algorithm for determining defective products. It is able to generate test reports.
Performance Indicators
| Project | Parameter Requirements |
|---|---|
| Frequency Range | 400MHz - 40GHz |
| Testing Accuracy | ±0.5dB |
| Impedance Testing Range | 10 - 100Ω |
| Testing Speed | ≤ 3 seconds per item |
| Positioning Repeatability Accuracy | ±0.02mm |
| Maximum Load-bearing Size | 300×300mm |
Notes for Use
Environmental Requirements
Temperature: It should be maintained at 20±5℃.
Humidity: The humidity range should be controlled between 40 - 70% RH.
Electromagnetic Environment: It needs to be in an electromagnetic shielding environment.
Maintenance
Clean the contact points regularly.
Calibrate it once a month.
Check the fasteners of the mechanical structure.
Safe Operation
Ensure good grounding.
Implement anti-static measures.
Set up a safety isolation area when conducting high-voltage tests.
Selection Suggestions
Select the fixture with the corresponding frequency band according to the type of antenna to be tested.
Consider the compatibility with future product upgrades.
Give priority to fixtures with a modular design for easy maintenance and upgrades.
Pay attention to the supplier's ability to provide calibration services.
Consider the possibility of integrating the fixture with the existing testing system.
Development Trends
Intelligence: Integrate AI algorithms to achieve automatic optimization and adjustment.
Multifunctionality: Support the integrated operation of multiple testing items.
High-speed: Improve the testing efficiency to meet the needs of mass production.
Miniaturization: Adapt to more compact antenna designs.
Cloud-based: Store the testing data in the cloud and conduct cloud-based analysis.
If you need to customize a double-layer antenna testing fixture, it is recommended to provide the following information:
Antenna type and operating frequency band.
Testing parameters and accuracy requirements.
Production cycle requirements.
The interface status of the existing testing equipment.
Special environmental requirements (such as high temperature, vacuum, etc.).