Twin T circuit wanted
in [Basics]
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From: John Larkin on 11 Jun 2010 15:45 On Fri, 11 Jun 2010 14:01:06 -0300, YD <ydtechHAT(a)techie.com> wrote: >Late at night, by candle light, John Fields ><jfields(a)austininstruments.com> penned this immortal opus: > >>On 10 Jun 2010 17:55:23 -0700, Winfield Hill >><Winfield_member(a)newsguy.com> wrote: >> >>>John Larkin wrote... >>>> >>>> I have never called myself a "judge", and Win has never called >>>> himself a "master." You and JT call us that, so you can then >>>> abuse us for saying things we never said. How lame. >>> >>> That's correct. I work hard at what I do, but I'm always >>> on the lookout for mistakes I may make, or more often, >>> things I don't yet understand. Hopefully I'll not pipe >>> up about something I don't yet understand, but oops, oops, >>> sometimes one doesn't yet know that they don't understand >>> something, or they may just make a silly thoughtless mistake. >> >>--- >>Typical Larkinese tactic; poisoning the well. >> >>Better watch out, Win, if you disagree with him he'll more than likely >>have something nasty and untrue to say about you, too. > >Can't say I've seen JL do that unless provoked. > >OTOH, you and JT are the real champs. Usually a symptom of inferiority >complex. It's real easy on usenet since you can froth away without >chancing a punch in the nose. > Usenet, and email, remove the emotional feedbacks you get in person, or even over the telephone. That makes for some pathological behavior. And people develop personnas that may not represent how they are in real life. I wonder if anyone has published stuff about this. John
From: Vladimir Vassilevsky on 11 Jun 2010 16:02 John Larkin wrote: > Usenet, and email, remove the emotional feedbacks you get in person, > or even over the telephone. That makes for some pathological behavior. > And people develop personnas that may not represent how they are in > real life. I wonder if anyone has published stuff about this. Ever seen two cats fighting with each other through the window glass? They enjoy the process while staying completely safe. That reminds me a lot of usenet or web forums. VLV
From: dagmargoodboat on 11 Jun 2010 16:16 On Jun 11, 10:02 am, John Larkin <jjlar...(a)highNOTlandTHIStechnologyPART.com> wrote: > On Thu, 10 Jun 2010 22:34:33 -0700 (PDT), dagmargoodb...(a)yahoo.com > wrote: > > > > >On Jun 10, 11:45 pm, dagmargoodb...(a)yahoo.com wrote: > >> John Larkin wrote: > >> > dagmargoodb...(a)yahoo.com wrote: > >> > >John Larkin wrote: > > >> > >> The transformer ratio gets involved some, too. > > >> > >Yep, but to a 1rst order: average emitter voltage = 0, ignore the > >> > >swing 'cause it's small, and that gets you pretty close. V(b) = 120mV > >> > >in my 5KHz example. > > >> > How much p-p voltage on the emitter? > > >> 1 volt. That might be a bit hot, as I noted in the post. I did that > >--^^^^^^ > > >Ooops. That was for another sim, which uses 1mH and 10uH. The posted > >5 KHz ckt used 1mH / 25uH, so the emitter swing was about 1.8v p-p. > > > That's savage. > > John If you don't mind, I prefer "barbarian." James
From: John Larkin on 11 Jun 2010 16:21 On Fri, 11 Jun 2010 15:02:24 -0500, Vladimir Vassilevsky <nospam(a)nowhere.com> wrote: > > >John Larkin wrote: > > >> Usenet, and email, remove the emotional feedbacks you get in person, >> or even over the telephone. That makes for some pathological behavior. >> And people develop personnas that may not represent how they are in >> real life. I wonder if anyone has published stuff about this. > >Ever seen two cats fighting with each other through the window glass? >They enjoy the process while staying completely safe. That reminds me a >lot of usenet or web forums. > Yup, only some people aren't as amart as cats and take it seriously. John
From: John Larkin on 11 Jun 2010 16:23
On Fri, 11 Jun 2010 13:16:59 -0700 (PDT), dagmargoodboat(a)yahoo.com wrote: >On Jun 11, 10:02�am, John Larkin ><jjlar...(a)highNOTlandTHIStechnologyPART.com> wrote: >> On Thu, 10 Jun 2010 22:34:33 -0700 (PDT), dagmargoodb...(a)yahoo.com >> wrote: >> >> >> >> >On Jun 10, 11:45�pm, dagmargoodb...(a)yahoo.com wrote: >> >> John Larkin wrote: >> >> > dagmargoodb...(a)yahoo.com wrote: >> >> > >John Larkin �wrote: >> >> >> > >> The transformer ratio gets involved some, too. >> >> >> > >Yep, but to a 1rst order: average emitter voltage = 0, ignore the >> >> > >swing 'cause it's small, and that gets you pretty close. �V(b) = 120mV >> >> > >in my 5KHz example. >> >> >> > How much p-p voltage on the emitter? >> >> >> 1 volt. �That might be a bit hot, as I noted in the post. �I did that >> >--^^^^^^ >> >> >Ooops. �That was for another sim, which uses 1mH and 10uH. �The posted >> >5 KHz ckt used 1mH / 25uH, so the emitter swing was about 1.8v p-p. >> >> >> That's savage. >> >> John > >If you don't mind, I prefer "barbarian." > >James Can we settle on "un-mutual"? John old "Prisoner" fan |