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- To: owner-atm@shore.net
- Subject: BOUNCE atm@shore.net: Non-member submission from [Greg Dermer <gdermer@ichips.intel.com>]
- From: owner-atm@shore.net
- Date: Mon, 21 Oct 1996 13:57:46 -0400 (EDT)
>From atm-owner Mon Oct 21 13:57:41 1996 Received: from ormail.intel.com (ormail.intel.com [134.134.248.3]) by relay1.shore.net (8.7.5/8.7.3) with ESMTP id NAA29496 for <atm@shore.net>; Mon, 21 Oct 1996 13:57:40 -0400 (EDT) Received: from ichips.intel.com (ichips.intel.com [134.134.50.200]) by ormail.intel.com (8.7.6/8.7.3) with ESMTP id KAA05848 for <atm@shore.net>; Mon, 21 Oct 1996 10:57:34 -0700 (PDT) Received: from ichips.intel.com by ichips.intel.com (8.7.4/jIII) id KAA02138; Mon, 21 Oct 1996 10:57:21 -0700 (PDT) Message-Id: <199610211757.KAA02138@ichips.intel.com> To: atm@shore.net, gdermer@ichips.intel.com Subject: Re: ATM steppers - series resistors In-reply-to: Your message of "Sun, 20 Oct 1996 13:16:44 PDT." <19961020131044.2e813ae7.in@laser.arl.psu.edu> Date: Mon, 21 Oct 1996 10:57:34 -0700 From: Greg Dermer <gdermer@ichips.intel.com> In old stepper-driven photoplotters, it was common to drive a 2 volt stepper with a 48 volt power supply and series resistors (*big* series resistors) to yield a constant current effect. This was necessary, as another poster mentioned, achieve high performance as the winding inductance of the motor became increasingly significant at high step rates. Greg gdermer@ichips.intel.com Not speaking for Intel!
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