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Posts
Abstract Inductors are critical components in electronic circuits, and the magnetic core within them directly determines their performance stability and service life. Traditional inductance testing methods often fail to accurately reflect the actual working state of the core due to the lack of a DC bias current environment. This paper takes the LISUN LS1373 LCR Meter with DC Bias Current Source as the core testing tool, systematically explores how to use its built-in DC bias current source to analyze the characteristics of inductor cores, and verifies its application value in inductor quality inspection and product characteristic analysis through experimental data. The results show that the LS1373 DC Bias Current Source can simulate the actual working current of the inductor, accurately measure core parameters such as inductance (L) and quality factor (Q) under different bias conditions, and provide reliable data support for judging the core quality and optimizing the inductor design. ...
Abstract With the rapid development of the LED industry, the reliability and performance of LED driver power supplies have become crucial factors affecting the quality of LED products. Led Driver Testing Equipment plays a core role in ensuring the compliance and stability of LED drivers. This paper takes the LISUN LS2090 LED Power Driver Tester as the research object, systematically introduces its design standards, functional modules, technical specifications, and supporting systems. Through detailed data tables and practical application scenarios, it analyzes the tester’s ability to meet industry standards and its value in improving testing efficiency. The research shows that the LISUN LS2090, as a professional Led Driver Testing Equipment, can comprehensively measure multiple key parameters of LED drivers, fully complying with international and national standards, and providing strong technical support for the production and quality inspection of LED driver power supplies. 1. Introdu...