Interesting TIA design
in [Design]
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From: Jan Panteltje on 28 Oct 2009 07:52 On a sunny day (Tue, 27 Oct 2009 17:45:49 -0700 (PDT)) it happened Tim Williams <tmoranwms(a)gmail.com> wrote in <3e89ba34-8f94-452a-bc7c-5eb86e00f912(a)k26g2000vbp.googlegroups.com>: >On Oct 27, 9:58�am, "amdx" <a...(a)knology.net> wrote: >> � �Any possibility of an online whiteboard, You guys can all draw pie= >ces and >> parts and add corrections as needed. > >No, it doesn't work. A static electronic screen and mouse (or worse, >touchpad) doesn't have the same eye-brain-arm connection that a >whiteboard does. There is something about drawing in person that is >orders of magnitude more plastic than anything on a computer. I can't >think while manipulating pixels, but I can think while writing. > >When I wanted to do a complete layout of this circuit, I did it on a >full sheet of newsprint. Old crummy stuff, it ain't vellum, but it >was on hand. Then I put it on the computer (in A4 size sections). > >http://myweb.msoe.edu/williamstm/Images/EV_Paper_Draft.jpg > >Tim Yep, ftp://panteltje.com/pub/fdc-1.jpg ftp://panteltje.com/pub/fdc-2.jpg Note the date (top right).
From: Phil Hobbs on 28 Oct 2009 09:46 Jan Panteltje wrote: > On a sunny day (Tue, 27 Oct 2009 17:45:49 -0700 (PDT)) it happened Tim > Williams <tmoranwms(a)gmail.com> wrote in > <3e89ba34-8f94-452a-bc7c-5eb86e00f912(a)k26g2000vbp.googlegroups.com>: > >> On Oct 27, 9:58 am, "amdx" <a...(a)knology.net> wrote: >>> Any possibility of an online whiteboard, You guys can all draw pie= >> ces and >>> parts and add corrections as needed. >> No, it doesn't work. A static electronic screen and mouse (or worse, >> touchpad) doesn't have the same eye-brain-arm connection that a >> whiteboard does. There is something about drawing in person that is >> orders of magnitude more plastic than anything on a computer. I can't >> think while manipulating pixels, but I can think while writing. >> >> When I wanted to do a complete layout of this circuit, I did it on a >> full sheet of newsprint. Old crummy stuff, it ain't vellum, but it >> was on hand. Then I put it on the computer (in A4 size sections). >> >> http://myweb.msoe.edu/williamstm/Images/EV_Paper_Draft.jpg >> >> Tim > > Yep, > ftp://panteltje.com/pub/fdc-1.jpg > ftp://panteltje.com/pub/fdc-2.jpg > Note the date (top right). > Wow, an ancient manuscript. Didn't they have ruled vellum in those days? Of course then you wouldn't be able to trace the prehistory of the MS by looking at the incomplete erasing. ;) Cheers Phil Hobbs (Proud owner of a lifetime supply of Clearprint) -- Dr Philip C D Hobbs Principal ElectroOptical Innovations 55 Orchard Rd Briarcliff Manor NY 10510 845-480-2058 hobbs at electrooptical dot net http://electrooptical.net
From: Joerg on 28 Oct 2009 11:42 Phil Hobbs wrote: > Jan Panteltje wrote: >> On a sunny day (Tue, 27 Oct 2009 17:45:49 -0700 (PDT)) it happened Tim >> Williams <tmoranwms(a)gmail.com> wrote in >> <3e89ba34-8f94-452a-bc7c-5eb86e00f912(a)k26g2000vbp.googlegroups.com>: >> >>> On Oct 27, 9:58 am, "amdx" <a...(a)knology.net> wrote: >>>> Any possibility of an online whiteboard, You guys can all draw pie= >>> ces and >>>> parts and add corrections as needed. >>> No, it doesn't work. A static electronic screen and mouse (or worse, >>> touchpad) doesn't have the same eye-brain-arm connection that a >>> whiteboard does. There is something about drawing in person that is >>> orders of magnitude more plastic than anything on a computer. I can't >>> think while manipulating pixels, but I can think while writing. >>> >>> When I wanted to do a complete layout of this circuit, I did it on a >>> full sheet of newsprint. Old crummy stuff, it ain't vellum, but it >>> was on hand. Then I put it on the computer (in A4 size sections). >>> >>> http://myweb.msoe.edu/williamstm/Images/EV_Paper_Draft.jpg >>> >>> Tim >> >> Yep, >> ftp://panteltje.com/pub/fdc-1.jpg >> ftp://panteltje.com/pub/fdc-2.jpg >> Note the date (top right). >> > > Wow, an ancient manuscript. Didn't they have ruled vellum in those > days? Of course then you wouldn't be able to trace the prehistory of > the MS by looking at the incomplete erasing. ;) > > Cheers > > Phil Hobbs > (Proud owner of a lifetime supply of Clearprint) > I've got three 11"*17" Clearprint pads, still fairly full. I think there'll still be some of it left over when I leave this earth. To be honest, I use maybe one or two sheets per year. Most new designs get entered straight into SPICE and from there to CAD. I wish CAD and SPICE were integrated because the transcribing process carries risks. -- Regards, Joerg http://www.analogconsultants.com/ "gmail" domain blocked because of excessive spam. Use another domain or send PM.
From: Joerg on 28 Oct 2009 11:48 John Larkin wrote: > On Tue, 27 Oct 2009 18:20:41 -0700, Joerg <invalid(a)invalid.invalid> > wrote: > >> John Larkin wrote: >> >> [...] >> >>> Yup, I do my schematics with pencil on D-size vellum, and give them to >>> The Brat to cad for me. >>> >> But don't overdo it. She may some day be the one deciding which nursing >> home your are going to live at ... > > Heck, all of engineering, including me, are working for her already. > > R wants her to do FPGA design next. So I'm scheduled to do a couple of > lectures on basic digital design concepts, and then he'll do a couple > on FPGAs and VHDL in particular. > Count yourself lucky that you have a daughter with a serious interest in business. I've witnessed the opposite. Offspring of client's president sitting in on my design review, didn't understand much, threw in the towel. Back when I started out that was different. You bit into it and tried to understand it, piece by little piece. For my first job I did not have the foggiest what they might possibly do with depth sounders on humans. Many late night studies, later long discussions with an engineer there, a couple months later I was designing parts of the front end of an ultrasound system. And it worked ... -- Regards, Joerg http://www.analogconsultants.com/ "gmail" domain blocked because of excessive spam. Use another domain or send PM.
From: Jim Thompson on 28 Oct 2009 11:48
On Wed, 28 Oct 2009 08:42:38 -0700, Joerg <invalid(a)invalid.invalid> wrote: >Phil Hobbs wrote: >> Jan Panteltje wrote: >>> On a sunny day (Tue, 27 Oct 2009 17:45:49 -0700 (PDT)) it happened Tim >>> Williams <tmoranwms(a)gmail.com> wrote in >>> <3e89ba34-8f94-452a-bc7c-5eb86e00f912(a)k26g2000vbp.googlegroups.com>: >>> >>>> On Oct 27, 9:58 am, "amdx" <a...(a)knology.net> wrote: >>>>> Any possibility of an online whiteboard, You guys can all draw pie= >>>> ces and >>>>> parts and add corrections as needed. >>>> No, it doesn't work. A static electronic screen and mouse (or worse, >>>> touchpad) doesn't have the same eye-brain-arm connection that a >>>> whiteboard does. There is something about drawing in person that is >>>> orders of magnitude more plastic than anything on a computer. I can't >>>> think while manipulating pixels, but I can think while writing. >>>> >>>> When I wanted to do a complete layout of this circuit, I did it on a >>>> full sheet of newsprint. Old crummy stuff, it ain't vellum, but it >>>> was on hand. Then I put it on the computer (in A4 size sections). >>>> >>>> http://myweb.msoe.edu/williamstm/Images/EV_Paper_Draft.jpg >>>> >>>> Tim >>> >>> Yep, >>> ftp://panteltje.com/pub/fdc-1.jpg >>> ftp://panteltje.com/pub/fdc-2.jpg >>> Note the date (top right). >>> >> >> Wow, an ancient manuscript. Didn't they have ruled vellum in those >> days? Of course then you wouldn't be able to trace the prehistory of >> the MS by looking at the incomplete erasing. ;) >> >> Cheers >> >> Phil Hobbs >> (Proud owner of a lifetime supply of Clearprint) >> > >I've got three 11"*17" Clearprint pads, still fairly full. I think >there'll still be some of it left over when I leave this earth. To be >honest, I use maybe one or two sheets per year. Most new designs get >entered straight into SPICE and from there to CAD. I wish CAD and SPICE >were integrated because the transcribing process carries risks. I tossed all those... they take up too much room, and I never use them. I even sold my E-size plotter 15 years ago ;-) ...Jim Thompson -- | James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona 85048 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | With Half My Brain Tied Behind My Back Still More Clever Than Mr.Prissy Pants |