On Mon, 14 Oct 2013 13:06:00 -0700, John Larkin <jlarkin@highlandtechnology.com> wrote:>On Mon, 14 Oct 2013 12:54:52 -0700, miso <miso@sushi.com> wrote: > >>On 10/13/2013 12:34 PM, John Larkin wrote: >>> >>> These opamps, like most Maxim parts, have nonstandard pinout. I built a test >>> fixture to measure Cin. With power off, I measured 1.4 pF on the non-inverting >>> input pin. >>Who measures capacitance of a part that is powered down? Doh! There are >>diodes that need to be reverse biased ya know. > >Of course, but I measured it first, powered down. Why not? > >It wouldn't work like an opamp closed-loop, and I need that to measure >the powered-up capacitance. > >> >>Do you have someone who works for you that is, well you know, a >>competent electrical engineer? Perhaps you are not suited for electrical >>engineering. Have you considered software? > > >I've written a lot of code, but I prefer hardware design. > >All the things that I posted are true. > >Quit whining and show us some gear that you've designed... full of >Maxim chips no doubt.What do you expect. He worked for Maxim. ...probably maxim.com.
Never Buy Maxim (again)
Started by ●October 13, 2013
Reply by ●October 14, 20132013-10-14
Reply by ●October 14, 20132013-10-14
On Monday, October 14, 2013 6:29:44 PM UTC-4, duke.s...@gmail.com wrote:> Thats right! don't ever listen to a commielib. if they start talking, just punch them in the face. That's what the Duke does! > > > > Someday we'll get rid of all the lieberals and America will be #1 again!Hey, I'm 'mostly' liberal... (it's like being mostly harmless) George H.> > > > all liberals must die! > > Duke Stopcock > > > > > > On Monday, October 14, 2013 5:58:24 PM UTC-4, tm wrote: > > > "John Larkin" <jlarkin@highlandtechnology.com> wrote in message > > > > > > news:8opo59hlf5nuv2547e8umkv42odgasum0l@4ax.com... > > > > > > > On Mon, 14 Oct 2013 17:20:03 -0400, "tm" <No_one_home@white-house.gov> > > > > > > > wrote: > > > > > > > > > > > > > >> > > > > > > >>"miso" <miso@sushi.com> wrote in message > > > > > > >>news:l3hi8e$ql7$1@speranza.aioe.org... > > > > > > >>> On 10/13/2013 12:34 PM, John Larkin wrote: > > > > > > >>>> > > > > > > >>>> These opamps, like most Maxim parts, have nonstandard pinout. I built a > > > > > > >>>> test > > > > > > >>>> fixture to measure Cin. With power off, I measured 1.4 pF on the > > > > > > >>>> non-inverting > > > > > > >>>> input pin. > > > > > > >>> Who measures capacitance of a part that is powered down? Doh! There are > > > > > > >>> diodes that need to be reverse biased ya know. > > > > > > >>> > > > > > > >>> Do you have someone who works for you that is, well you know, a > > > > > > >>> competent > > > > > > >>> electrical engineer? Perhaps you are not suited for electrical > > > > > > >>> engineering. Have you considered software? > > > > > > >>> > > > > > > >>> > > > > > > >>> > > > > > > >> > > > > > > >>It's called "characterizing the part". It is way beyond a libtard such as > > > > > > >>yourself to understand. > > > > > > >> > > > > > > > > > > > > > > I'm curious about things like ESD capacitance. Given a test setup, why > > > > > > > would anyone *not* want to measure the power-off capacitance, and then > > > > > > > determine the C-V behavior? > > > > > > > > > > > > > > > > > > > > > -- > > > > > > > > > > > > > > John Larkin Highland Technology, Inc > > > > > > > > > > > > > > jlarkin at highlandtechnology dot com > > > > > > > http://www.highlandtechnology.com > > > > > > > > > > > > > > Precision electronic instrumentation > > > > > > > Picosecond-resolution Digital Delay and Pulse generators > > > > > > > Custom laser drivers and controllers > > > > > > > Photonics and fiberoptic TTL data links > > > > > > > VME thermocouple, LVDT, synchro acquisition and simulation > > > > > > > > > > > > Not only that but why would you not want to know how the device might load > > > > > > some external circuit when it is in its powered down state. In battery > > > > > > operated devices, one may wish to power down an amplifier that is connected > > > > > > to some external operating device. > > > > > > > > > > > > Look, there is no use trying to explain anything to these libtards. They are > > > > > > incapable of being educated.
Reply by ●October 14, 20132013-10-14
On Monday, October 14, 2013 7:11:40 PM UTC-4, John Larkin wrote:> On Mon, 14 Oct 2013 15:29:44 -0700 (PDT), duke.stopcock@gmail.com > > wrote: > > > > >Thats right! don't ever listen to a commielib. if they start talking, just punch them in the face. That's what the Duke does! > > > > > >Someday we'll get rid of all the lieberals and America will be #1 again! > > > > > >all liberals must die! > > >Duke Stopcock > > > > > > > > > > There's no reason they should die. On the contrary, they should be > > kept well away from electronic instruments so they don't hurt > > themselves.Ouch.. that hurts. George H.> > > > > > > > -- > > > > John Larkin Highland Technology, Inc > > > > jlarkin at highlandtechnology dot com > > http://www.highlandtechnology.com > > > > Precision electronic instrumentation > > Picosecond-resolution Digital Delay and Pulse generators > > Custom laser drivers and controllers > > Photonics and fiberoptic TTL data links > > VME thermocouple, LVDT, synchro acquisition and simulation
Reply by ●October 14, 20132013-10-14
On Mon, 14 Oct 2013 13:06:00 -0700, John Larkin <jlarkin@highlandtechnology.com> wrote:>On Mon, 14 Oct 2013 12:54:52 -0700, miso <miso@sushi.com> wrote: > >>On 10/13/2013 12:34 PM, John Larkin wrote: >>> >>> These opamps, like most Maxim parts, have nonstandard pinout. I built a test >>> fixture to measure Cin. With power off, I measured 1.4 pF on the non-inverting >>> input pin. >>Who measures capacitance of a part that is powered down? Doh! There are >>diodes that need to be reverse biased ya know. > >Of course, but I measured it first, powered down. Why not?Miso answered why. Can't you see what is wrong with the powered-down measurement? [snipped snarky diversion from facts] ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | San Tan Valley, AZ 85142 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food.
Reply by ●October 14, 20132013-10-14
On Mon, 14 Oct 2013 14:51:50 -0700, John Larkin <jlarkin@highlandtechnology.com> wrote:>On Mon, 14 Oct 2013 17:20:03 -0400, "tm" <No_one_home@white-house.gov> >wrote: > >> >>"miso" <miso@sushi.com> wrote in message >>news:l3hi8e$ql7$1@speranza.aioe.org... >>> On 10/13/2013 12:34 PM, John Larkin wrote: >>>> >>>> These opamps, like most Maxim parts, have nonstandard pinout. I built a >>>> test >>>> fixture to measure Cin. With power off, I measured 1.4 pF on the >>>> non-inverting >>>> input pin. >>> Who measures capacitance of a part that is powered down? Doh! There are >>> diodes that need to be reverse biased ya know. >>> >>> Do you have someone who works for you that is, well you know, a competent >>> electrical engineer? Perhaps you are not suited for electrical >>> engineering. Have you considered software? >>> >>> >>> >> >>It's called "characterizing the part". It is way beyond a libtard such as >>yourself to understand. >> > >I'm curious about things like ESD capacitance. Given a test setup, why >would anyone *not* want to measure the power-off capacitance, and then >determine the C-V behavior?What "C-V behavior" are you referring to? ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | San Tan Valley, AZ 85142 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food.
Reply by ●October 14, 20132013-10-14
On Mon, 14 Oct 2013 19:15:15 -0400, krw@attt.bizz wrote:>On Mon, 14 Oct 2013 13:06:00 -0700, John Larkin ><jlarkin@highlandtechnology.com> wrote: > >>On Mon, 14 Oct 2013 12:54:52 -0700, miso <miso@sushi.com> wrote: >> >>>On 10/13/2013 12:34 PM, John Larkin wrote: >>>> >>>> These opamps, like most Maxim parts, have nonstandard pinout. I built a test >>>> fixture to measure Cin. With power off, I measured 1.4 pF on the non-inverting >>>> input pin. >>>Who measures capacitance of a part that is powered down? Doh! There are >>>diodes that need to be reverse biased ya know. >> >>Of course, but I measured it first, powered down. Why not? >> >>It wouldn't work like an opamp closed-loop, and I need that to measure >>the powered-up capacitance. >> >>> >>>Do you have someone who works for you that is, well you know, a >>>competent electrical engineer? Perhaps you are not suited for electrical >>>engineering. Have you considered software? >> >> >>I've written a lot of code, but I prefer hardware design. >> >>All the things that I posted are true. >> >>Quit whining and show us some gear that you've designed... full of >>Maxim chips no doubt. > >What do you expect. He worked for Maxim. ...probably maxim.com.So you don't know what you measure under power-down conditions either? ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | San Tan Valley, AZ 85142 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food.
Reply by ●October 14, 20132013-10-14
On Mon, 14 Oct 2013 19:15:15 -0400, krw@attt.bizz wrote:>On Mon, 14 Oct 2013 13:06:00 -0700, John Larkin ><jlarkin@highlandtechnology.com> wrote: > >>On Mon, 14 Oct 2013 12:54:52 -0700, miso <miso@sushi.com> wrote: >> >>>On 10/13/2013 12:34 PM, John Larkin wrote: >>>> >>>> These opamps, like most Maxim parts, have nonstandard pinout. I built a test >>>> fixture to measure Cin. With power off, I measured 1.4 pF on the non-inverting >>>> input pin. >>>Who measures capacitance of a part that is powered down? Doh! There are >>>diodes that need to be reverse biased ya know. >> >>Of course, but I measured it first, powered down. Why not? >> >>It wouldn't work like an opamp closed-loop, and I need that to measure >>the powered-up capacitance. >> >>> >>>Do you have someone who works for you that is, well you know, a >>>competent electrical engineer? Perhaps you are not suited for electrical >>>engineering. Have you considered software? >> >> >>I've written a lot of code, but I prefer hardware design. >> >>All the things that I posted are true. >> >>Quit whining and show us some gear that you've designed... full of >>Maxim chips no doubt. > >What do you expect. He worked for Maxim. ...probably maxim.com.OK, which one is worse? -- John Larkin Highland Technology, Inc jlarkin at highlandtechnology dot com http://www.highlandtechnology.com Precision electronic instrumentation Picosecond-resolution Digital Delay and Pulse generators Custom laser drivers and controllers Photonics and fiberoptic TTL data links VME thermocouple, LVDT, synchro acquisition and simulation
Reply by ●October 14, 20132013-10-14
On Mon, 14 Oct 2013 17:27:04 -0700, Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> wrote:>On Mon, 14 Oct 2013 19:15:15 -0400, krw@attt.bizz wrote: > >>On Mon, 14 Oct 2013 13:06:00 -0700, John Larkin >><jlarkin@highlandtechnology.com> wrote: >> >>>On Mon, 14 Oct 2013 12:54:52 -0700, miso <miso@sushi.com> wrote: >>> >>>>On 10/13/2013 12:34 PM, John Larkin wrote: >>>>> >>>>> These opamps, like most Maxim parts, have nonstandard pinout. I built a test >>>>> fixture to measure Cin. With power off, I measured 1.4 pF on the non-inverting >>>>> input pin. >>>>Who measures capacitance of a part that is powered down? Doh! There are >>>>diodes that need to be reverse biased ya know. >>> >>>Of course, but I measured it first, powered down. Why not? >>> >>>It wouldn't work like an opamp closed-loop, and I need that to measure >>>the powered-up capacitance. >>> >>>> >>>>Do you have someone who works for you that is, well you know, a >>>>competent electrical engineer? Perhaps you are not suited for electrical >>>>engineering. Have you considered software? >>> >>> >>>I've written a lot of code, but I prefer hardware design. >>> >>>All the things that I posted are true. >>> >>>Quit whining and show us some gear that you've designed... full of >>>Maxim chips no doubt. >> >>What do you expect. He worked for Maxim. ...probably maxim.com. > >So you don't know what you measure under power-down conditions either?Clueless.
Reply by ●October 14, 20132013-10-14
On Mon, 14 Oct 2013 17:45:38 -0700, John Larkin <jlarkin@highlandtechnology.com> wrote:>On Mon, 14 Oct 2013 19:15:15 -0400, krw@attt.bizz wrote: > >>On Mon, 14 Oct 2013 13:06:00 -0700, John Larkin >><jlarkin@highlandtechnology.com> wrote: >> >>>On Mon, 14 Oct 2013 12:54:52 -0700, miso <miso@sushi.com> wrote: >>> >>>>On 10/13/2013 12:34 PM, John Larkin wrote: >>>>> >>>>> These opamps, like most Maxim parts, have nonstandard pinout. I built a test >>>>> fixture to measure Cin. With power off, I measured 1.4 pF on the non-inverting >>>>> input pin. >>>>Who measures capacitance of a part that is powered down? Doh! There are >>>>diodes that need to be reverse biased ya know. >>> >>>Of course, but I measured it first, powered down. Why not? >>> >>>It wouldn't work like an opamp closed-loop, and I need that to measure >>>the powered-up capacitance. >>> >>>> >>>>Do you have someone who works for you that is, well you know, a >>>>competent electrical engineer? Perhaps you are not suited for electrical >>>>engineering. Have you considered software? >>> >>> >>>I've written a lot of code, but I prefer hardware design. >>> >>>All the things that I posted are true. >>> >>>Quit whining and show us some gear that you've designed... full of >>>Maxim chips no doubt. >> >>What do you expect. He worked for Maxim. ...probably maxim.com. > >OK, which one is worse?Well, with one you see what you're getting. The other, you don't.
Reply by ●October 14, 20132013-10-14
On Mon, 14 Oct 2013 22:13:11 -0400, krw@attt.bizz wrote:>On Mon, 14 Oct 2013 17:27:04 -0700, Jim Thompson ><To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> wrote: > >>On Mon, 14 Oct 2013 19:15:15 -0400, krw@attt.bizz wrote: >> >>>On Mon, 14 Oct 2013 13:06:00 -0700, John Larkin >>><jlarkin@highlandtechnology.com> wrote: >>> >>>>On Mon, 14 Oct 2013 12:54:52 -0700, miso <miso@sushi.com> wrote: >>>> >>>>>On 10/13/2013 12:34 PM, John Larkin wrote: >>>>>> >>>>>> These opamps, like most Maxim parts, have nonstandard pinout. I built a test >>>>>> fixture to measure Cin. With power off, I measured 1.4 pF on the non-inverting >>>>>> input pin. >>>>>Who measures capacitance of a part that is powered down? Doh! There are >>>>>diodes that need to be reverse biased ya know. >>>> >>>>Of course, but I measured it first, powered down. Why not? >>>> >>>>It wouldn't work like an opamp closed-loop, and I need that to measure >>>>the powered-up capacitance. >>>> >>>>> >>>>>Do you have someone who works for you that is, well you know, a >>>>>competent electrical engineer? Perhaps you are not suited for electrical >>>>>engineering. Have you considered software? >>>> >>>> >>>>I've written a lot of code, but I prefer hardware design. >>>> >>>>All the things that I posted are true. >>>> >>>>Quit whining and show us some gear that you've designed... full of >>>>Maxim chips no doubt. >>> >>>What do you expect. He worked for Maxim. ...probably maxim.com. >> >>So you don't know what you measure under power-down conditions either? > >Clueless.You are? ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | San Tan Valley, AZ 85142 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food.
