Archive for the ‘Transformers’ Category:

2018-05-06 Telephone Hybrid Coil Schematics

This is a link to telecomm information on Tomi Engdahl’s epanorama.net. http://www.epanorama.net/circuits/teleinterface.html#hybrid

2017-06-25 Mini Audio Transformer From Goldmine Electronics 

I bought several of these miniature audio transformers  from Electronic Goldmine.  They are encapsulated so I can’t see anything, windings, core or materials.  There are 5 pins, 2 on one side and 3 on the other, but the center pin measured open, so it’s apparently there to make sure the transformer is inserted the right way. The

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