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Article #11825Re: What does "cascoded" mean?
From: CHUCK PARSONS 617-253-4157
Date: Fri, 24 May 1991 05:58
Date: Fri, 24 May 1991 05:58
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In article <1991May23.145111.20440@news.cs.indiana.edu>, bobmon@iuvax.cs.indiana.edu (RAMontante) writes... >Excuse this simplistic question, but... What does the word "cascode" >mean? I've seen it in reference to various VLSI circuits, and I don't >think it's just a misspelling of "cascade". > >I've directed followups to me; I'll summarize if the answer seems generally >interesting. Thanks for your help, > Cascode refers to an arrangement of two transistors, which largely cancels the Early (sp?) effect. It increases the max switching speed if you have a limited drive current. 'Limited' here does not mean all that wimpy, the colloecter base coupling (* voltage gain) can be quite large as frequency goes up. Chuck@mitlns.mit.edu
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!olivea!mintaka!bloom-picayune.mit.edu!marie.mit.edu!chuck From: chuck@marie.mit.edu (CHUCK PARSONS 617-253-4157) Newsgroups: comp.arch Subject: Re: What does "cascoded" mean? Message-ID: <23MAY91225859@marie.mit.edu> Date: 24 May 91 05:58:59 GMT References: <1991May23.145111.20440@news.cs.indiana.edu> Sender: news@athena.mit.edu (News system) Reply-To: chuck@marie.mit.edu Followup-To: poster Distribution: na Organization: MIT Lab for Nuclear Science Lines: 16 News-Software: VAX/VMS VNEWS 1.4-a4