专利名称：Controlled-inductance regulator for
switching power supplies
发明人：Knights, Michael A.,Beecroft, John W.,Bishop,
Walter W.
申请号：EP89308799.9申请日：19890831公开号：EP0357411A3公开日：19901031
专利附图：
摘要：A post secondary magnetic amplifier circuit for operation at frequencies at orabove 100 kHz with minimal losses is described. A magnetic amplifier is used to controlthe post-secondary current to an LC filter in which the magnetic amplifier is constructedusing an non-nickel core material such as ferrite having a very narrow B-H operating curve(flat loop) in which the remanence (residual magnetism) is below 1000 gauss. Themagnetic amplifier then operates as a controlled inductance so that saturation isapproached slowly.
申请人：ZYTEC CORPORATION
地址：7575 Market Place Drive Eden Prairie Minnesota 55344 US
国籍：US
代理机构：Muir, Ian R.
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