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A transformer couples two or more AC signals through a magnetic field. Often used as galvanic isolation and to transform one AC voltage to another.

3 votes
2 answers
99 views

How to read a transformer data sheet?

I just want to know what the inductance of the primary is when the secondary is unloaded (I am using the transformer primary as an inductor for an audio resonant filter), but in the process, I'd like to …
Giovanni Botta's user avatar