On 15 Aug 2017 10:25:00 -0700, Winfield Hill <hill@rowland.harvard.edu> wrote:>John Larkin wrote... >> >> I would never use potentially counterfeit Chinese parts >> in aerospace gear, or actually in anything that we make. > > Of course, but they can be useful for quick prototyping. > Also the IRS2092 is a rather advanced design, so it's > not likely there are counterfeit versions.The TI eval board for their chip is nice. And it was free! The data sheet is sufficiently bad that one needs to fire up the eval board. -- John Larkin Highland Technology, Inc picosecond timing precision measurement jlarkin att highlandtechnology dott com http://www.highlandtechnology.com
class D amp
Started by ●August 11, 2017
Reply by ●August 15, 20172017-08-15
Reply by ●August 15, 20172017-08-15
On Tue, 15 Aug 2017 10:42:22 -0700, John Larkin <jjlarkin@highland_snip_technology.com> wrote:>On Tue, 15 Aug 2017 09:41:06 -0500, John S <Sophi.2@invalid.org> >wrote: > >>On 8/15/2017 9:34 AM, John Larkin wrote:[snip]>>> >>> My tranny doesn't have a center tap. >> >> >>Is everybody here too lazy to type transformer? > >Thank you for that valuable technical contribution to class-D >amplifier design.The "tranny" is upset >:-} ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | STV, Queen Creek, AZ 85142 Skype: skypeanalog | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | I'm looking for work... see my website. Thinking outside the box...producing elegant & economic solutions.
Reply by ●August 15, 20172017-08-15
On Tue, 15 Aug 2017 11:39:15 -0700, Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> wrote:>On Tue, 15 Aug 2017 10:42:22 -0700, John Larkin ><jjlarkin@highland_snip_technology.com> wrote: > >>On Tue, 15 Aug 2017 09:41:06 -0500, John S <Sophi.2@invalid.org> >>wrote: >> >>>On 8/15/2017 9:34 AM, John Larkin wrote: > >[snip] > >>>> >>>> My tranny doesn't have a center tap. >>> >>> >>>Is everybody here too lazy to type transformer? >> >>Thank you for that valuable technical contribution to class-D >>amplifier design. > >The "tranny" is upset >:-} > > ...Jim ThompsonDon't tell John S, but we sometimes call capacitors "caps" and potentiometers "pots." -- John Larkin Highland Technology, Inc picosecond timing precision measurement jlarkin att highlandtechnology dott com http://www.highlandtechnology.com
Reply by ●August 15, 20172017-08-15
On 08/15/2017 11:36 AM, John Larkin wrote:> Somebody claimed that 19 out of 20 newly introduced breakfast cereals > are failures. Most restaurants and dot.com startups fail. PT Cruiser > is gone. And there was the carefully-researched, focus-group-tested > New Coke.Yeah, but they sold a shitload of 'em during its ignoble life (PT Cruiser, that is.)
Reply by ●August 15, 20172017-08-15
On Tue, 15 Aug 2017 12:24:16 -0700, John Larkin <jjlarkin@highland_snip_technology.com> wrote:>On Tue, 15 Aug 2017 11:39:15 -0700, Jim Thompson ><To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> wrote: > >>On Tue, 15 Aug 2017 10:42:22 -0700, John Larkin >><jjlarkin@highland_snip_technology.com> wrote: >> >>>On Tue, 15 Aug 2017 09:41:06 -0500, John S <Sophi.2@invalid.org> >>>wrote: >>> >>>>On 8/15/2017 9:34 AM, John Larkin wrote: >> >>[snip] >> >>>>> >>>>> My tranny doesn't have a center tap. >>>> >>>> >>>>Is everybody here too lazy to type transformer? >>> >>>Thank you for that valuable technical contribution to class-D >>>amplifier design. >> >>The "tranny" is upset >:-} >> >> ...Jim Thompson > >Don't tell John S, but we sometimes call capacitors "caps" and >potentiometers "pots."Yep. Be careful what you do with that "pot" >:-} ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | STV, Queen Creek, AZ 85142 Skype: skypeanalog | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | I'm looking for work... see my website. Thinking outside the box...producing elegant & economic solutions.
Reply by ●August 15, 20172017-08-15
On 15/08/17 20:43, Jim Thompson wrote:> On Tue, 15 Aug 2017 12:24:16 -0700, John Larkin > <jjlarkin@highland_snip_technology.com> wrote: > >> On Tue, 15 Aug 2017 11:39:15 -0700, Jim Thompson >> <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> wrote: >> >>> On Tue, 15 Aug 2017 10:42:22 -0700, John Larkin >>> <jjlarkin@highland_snip_technology.com> wrote: >>> >>>> On Tue, 15 Aug 2017 09:41:06 -0500, John S <Sophi.2@invalid.org> >>>> wrote: >>>> >>>>> On 8/15/2017 9:34 AM, John Larkin wrote: >>> >>> [snip] >>> >>>>>> >>>>>> My tranny doesn't have a center tap. >>>>> >>>>> >>>>> Is everybody here too lazy to type transformer? >>>> >>>> Thank you for that valuable technical contribution to class-D >>>> amplifier design. >>> >>> The "tranny" is upset >:-} >>> >>> ...Jim Thompson >> >> Don't tell John S, but we sometimes call capacitors "caps" and >> potentiometers "pots." > > Yep. Be careful what you do with that "pot" >:-}... or the tranny, for that matter :)
Reply by ●August 15, 20172017-08-15
On 8/15/2017 2:24 PM, John Larkin wrote:> On Tue, 15 Aug 2017 11:39:15 -0700, Jim Thompson > <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> wrote: > >> On Tue, 15 Aug 2017 10:42:22 -0700, John Larkin >> <jjlarkin@highland_snip_technology.com> wrote: >> >>> On Tue, 15 Aug 2017 09:41:06 -0500, John S <Sophi.2@invalid.org> >>> wrote: >>> >>>> On 8/15/2017 9:34 AM, John Larkin wrote: >> >> [snip] >> >>>>> >>>>> My tranny doesn't have a center tap. >>>> >>>> >>>> Is everybody here too lazy to type transformer? >>> >>> Thank you for that valuable technical contribution to class-D >>> amplifier design. >> >> The "tranny" is upset >:-} >> >> ...Jim Thompson > > Don't tell John S, but we sometimes call capacitors "caps" and > potentiometers "pots."Thank you for that valuable technical contribution to class-D amplifier design. So why tranny rather than tran or (plural) trans?
Reply by ●August 15, 20172017-08-15
On Tue, 15 Aug 2017 16:51:45 -0500, John S <Sophi.2@invalid.org> wrote:>On 8/15/2017 2:24 PM, John Larkin wrote: >> On Tue, 15 Aug 2017 11:39:15 -0700, Jim Thompson >> <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> wrote: >> >>> On Tue, 15 Aug 2017 10:42:22 -0700, John Larkin >>> <jjlarkin@highland_snip_technology.com> wrote: >>> >>>> On Tue, 15 Aug 2017 09:41:06 -0500, John S <Sophi.2@invalid.org> >>>> wrote: >>>> >>>>> On 8/15/2017 9:34 AM, John Larkin wrote: >>> >>> [snip] >>> >>>>>> >>>>>> My tranny doesn't have a center tap. >>>>> >>>>> >>>>> Is everybody here too lazy to type transformer? >>>> >>>> Thank you for that valuable technical contribution to class-D >>>> amplifier design. >>> >>> The "tranny" is upset >:-} >>> >>> ...Jim Thompson >> >> Don't tell John S, but we sometimes call capacitors "caps" and >> potentiometers "pots." > >Thank you for that valuable technical contribution to class-D >amplifier design. > >So why tranny rather than tran or (plural) trans?It's a term I've heard people use. It does sound better than "tran" to me. -- John Larkin Highland Technology, Inc picosecond timing precision measurement jlarkin att highlandtechnology dott com http://www.highlandtechnology.com
Reply by ●August 15, 20172017-08-15
On Tuesday, 15 August 2017 16:37:02 UTC+1, John Larkin wrote:> I thought the low-voltage polymer caps with antiparallel diodes, in > the primary, was a cute idea. There is a lot of hostility to ideas > here; it's hard to brainstorm in public.hostility, pissing contests. Makes for poor teamwork with predictable results, alienation and a whole heap of time wasting along the way. NT
Reply by ●August 15, 20172017-08-15
