Design of a multi-channel rotary transformer for application to digital magnetic recording

• James E. Monson ^[1]
  1. [1] Harvey Mudd College

     Harvey Mudd College

     Estados Unidos

     
• Localización: Compel: International journal for computation and mathematics in electrical and electronic engineering, ISSN 0332-1649, Vol. 14, Nº 4, 1995, págs. 133-136
• Idioma: inglés
• Enlaces
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• Resumen

  • Rotary transformers are important parts of magnetic tape recorders using cylindrical scanners. Typically, heads for recording and playback are mounted on a rotating cylinder which scans the tape at high speed. Writing and reading signals are coupled to the heads through a rotary transformer. This paper describes a design procedure for a multi‐channel, miniaturized transformer for application to high‐density, digital magnetic tape recording. The requirements for the particular example presented were for the transformer to pass six identical recording/playback channels with a minimum insertion loss. The outside diameter of the transformer should be no greater than 16.5mm.