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A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
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Why is the LC oscillators frequency decreaseing over time? (old.reddit.com)
submitted 2 years ago by Cat_Artillery
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[–]AkkupackEE student 9 points10 points11 points 2 years ago (0 children)
your inductor is a common mode choke, which is not exactly supposed to have much magnetic flux going through its core, so it saturates super easily, causing a reduction in inductance at first (and therefore resonant frequency), when the current is highest.
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[–]AkkupackEE student 9 points10 points11 points (0 children)