Article View: sci.electronics
Article #10125Re: Bullshit, or NOT? AC line problems.
From: Jerry Callen
Date: Wed, 13 Feb 1991 19:41
Date: Wed, 13 Feb 1991 19:41
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In article <2470012@hp-vcd.HP.COM> johne@hp-vcd.HP.COM (John Eaton) writes: >Todays switching supplies are superior in size,cost and efficiency >but are lousy as loads. They act as negative resistance by drawing >more current as the voltage decreases and tend to only draw current >during the peak times of the AC cycle. Wait a sec - isn't it true that ALL power supplies, once past the initial power-on state, only draw current during the peaks in the AC cycle? The filter caps will only draw current when the voltage out of the bridge is greater than the voltage on the cap, right? -- Jerry Callen jcallen@encore.com
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!uunet!bu.edu!encore!jcallen From: jcallen@Encore.COM (Jerry Callen) Newsgroups: sci.electronics Subject: Re: Bullshit, or NOT? AC line problems. Message-ID: <14050@encore.Encore.COM> Date: 13 Feb 91 19:41:53 GMT References: <1991Feb5.005045.388@miavx2.ham.muohio.edu> <2470012@hp-vcd.HP.COM> Reply-To: jcallen@encore.Com (Jerry Callen) Organization: Encore Computer Corp, Marlboro, MA Lines: 13