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Article #1331Re: Z mismatch - was Slew Rates and Mic Pre performance
From: Bob Quintal
Date: Mon, 05 Sep 2005 13:58
Date: Mon, 05 Sep 2005 13:58
21 lines
2756 bytes
2756 bytes
"Richard Freeman" <bogoff@nospam.spam> wrote in news:431bf695_1@news.iprimus.com.au: > > "Alan Rutlidge" <dont_spam_me_rutlidge@iinet.net.au> wrote in > message > news:43180e72$0$518$5a62ac22@per-qv1-newsreader- >> Echo (due to reflection) is a function of the return loss of >> the circuit. > > The Echo is not due to Line reflections but rather due to > Hybrid Transformer leakage - see Sidetone which is a > deliberate result of this leakage being taken advantage of > .... Hybrid Transformer leakage is caused primarily by impedance mismatch, measurable as return loss. -- Bob Quintal PA is y I've altered my email address.
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X-Google-Thread: 10cf58,41063441d049826 X-Google-Thread: 103407,3f150a679f9e633 X-Google-Thread: 108c0a,3f150a679f9e633 X-Google-Attributes: gid10cf58,gid103407,gid108c0a,public X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news1.google.com!news3.google.com!news.glorb.com!newsfeed-east.nntpserver.com!nntpserver.com!newsfeed-west.nntpserver.com!manticore.nntpserver.com.POSTED!teranews!not-for-mail Newsgroups: rec.audio.pro,aus.electronics,aus.hi-fi Subject: Re: Z mismatch - was Slew Rates and Mic Pre performance From: Bob Quintal <rquintal@sPAmpatico.ca> References: <qas5h1dvke7cbsnu97hpa25of0llpvrcis@4ax.com> <s7u6h19oroqpv05ebfk9mgssd8n5vm6thv@4ax.com> <wqSdnaKsn-BCHI7eRVn-hQ@comcast.com> <df11sn0rh2@enews4.newsguy.com> <d4tzgsx2rlah.1s789oqhgthud$.dlg@40tude.net> <43145C85.1E026E5B@hotmail.com> <c7CdnSMW_Lxq84neRVn-gg@comcast.com> <3njafiF1o3bsU1@individual.net> <brjw53ycxwp5.sq5oszfekc7d.dlg@40tude.net> <3njbbqF1pkg8U1@individual.net> <1r5bzaw93tagw$.ll09v8sqvixm$.dlg@40tude.net> <4315ae5b$0$30683$5a62ac22@per-qv1-newsreader-01.iinet.net.au> <IrednVula6tELIjeRVn-iA@comcast.com> <43166205$0$486$5a62ac22@per-qv1-newsreader-01.iinet.net.au> <3nnom6F2elu8U1@individual.net> <1jlu9dz4m6nho$.9bip6dnzgr15$.dlg@40tude.net> <4316b902$0$515$5a62ac22@per-qv1-newsreader-01.iinet.net.au> <4317f1be$1_1@news.iprimus.com.au> <4317fefb$0$508$5a62ac22@per-qv1-newsreader-01.iinet.net.au> <a750c7dhudwb.1h2dtb3ggjv48.dlg@40tude.net> <43180e72$0$518$5a62ac22@per-qv1-newsreader-01.iinet.net.au> <431bf695_1@news.iprimus.com.au> User-Agent: Xnews/06.08.25 Lines: 21 NNTP-Posting-Date: Mon, 05 Sep 2005 08:58:50 EST Message-ID: <1125928730.a2cb224d14e276c55b4a8d84de7a799e@teranews> X-Abuse-Report: http://www.usenetabuse.com X-Abuse-Notes: Abuse reports must be submited via the usenetabuse.com portal listed above. X-Abuse-Notes2: Reports sent via any other method will not be processed. X-Abuse-Notes3: Any other abuse reporting headers in this article are fraudulent. X-Orginal-Message-ID: <Xns96C8658607C33BQuintal@66.150.105.47> Date: Mon, 05 Sep 2005 13:58:50 GMT