Twin T circuit wanted
in [Design]
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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
From: YD on 11 Jun 2010 16:50 Late at night, by candle light, Robert Baer <robertbaer(a)localnet.com> penned this immortal opus: >YD wrote: >> >> 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. >> >> - YD. >...is that why one does not get to see a pool of red electrons forming >below the keyboard? :-D - YD. -- File corruption detected. Select option: 1 - Call the cops 2 - Call the press 3 - Bribe it Remove HAT if replying by mail.
From: JosephKK on 12 Jun 2010 10:39
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 So you like red beards.? |