Development of automated testing equipment for very high frequency radio
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Date
2015-06-01
Authors
Harindravel Letchumanan
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Abstract
Walkie-talkie is an important telecommunication device that has been for quite a long time in the telecommunication field. Being a duplex mode communication transceiver, it is widely used around the world in variety of field such as military purpose, amateur radio, fire and rescue department along with many other commercial usage. To perform the Radio Frequency (RF) analysis on the radio, many industries still using the outdated manual testing method using man power, consequently spending a lot of effort and investments in the process. This paper discusses the method to overcome this problem. The main objectives of this Development of Automated Testing Equipment For Very High Frequency Radio project are to analyse the performance of a portable walkie-talkie radio, perform radio frequency analysis based on TIA603 standard and develop Automated Testing Equipment (ATE) program to perform the analysis. In order to complete this project, several approach was utelised in term of software and hardware basis. NI LabVIEW software was used as ATE testing development program software as the adoption of software-defined test systems. An automation sequence using NI LabVIEW was developed to perform the ATE testing after researching on the RF analysis aspect based on the mentioned TIA603 standard aspect. Wherelse the hardware mentioned was developing a RF path switching control box. This control box was controlled by the developed automation program using the NI LabVIEW software. The outcome obtained through this project was further compiled in table form. The data used for comparison purpose were the test outcome using the manual method with the automation method. These data when compared are almost similar; thus proves that the automating process of the manual method was a success.
Besides that, the time to perform the RF analysis also was managed to shortened; resulting in a shorter testing duration. All this aspects was measured and analysed in accordance with the Telecommunication Industry Association (TIA) in this project