The gain-frequency curve of an LLC resonant converter is a graphical guide displaying both the gain and operating frequency. At resonance frequency, the gain is certain to be unity. However, at above or below the resonance, the gain is no longer unity. In this article we will cover how LLC converter gain-frequency curve works or how to interpret it and
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You may be wondering why LLC resonant converter gain is unity. How it happens and how to mathematically derive it. If you have these questions, then you are on the right page. I will be sharing to you the answers to these questions. In the previous topic, I discussed the equivalent AC circuit of an LLC resonant converter. Read How
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If you are asking how to derive LLC converter AC circuit, this article is perfect for you. The derivation is based on the first harmonic approximation (FHA). FHA is popular method in deriving AC circuit like those of an LLC which only considering the fundamental signal of a square wave. In this article I will give you some insights in
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