14 | Transformers
On one level the transformer is a very straightforward device, and yet transformers can also represent a complex topic requiring much know how and a significant amount of analysis in order to specify and deploy them effectively. Fortunately this degree of detail is not required for the kind and level of application considered here. In simplest terms a transformer consists of nothing more than two coils of wire (referred to as windings) mounted close together but not electrically connected. A signal in one winding induces a corresponding signal into the second. To aid this signal transfer the coils of wire are wound around a core made from iron, ferrite, or similar ferromagnetic ...
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