While not entirely about choosing the best FETs, there is a good general
article about class D audio amplifier design in the most recent issue of
Analog Dialog (from Analog Devices).
http://www.analog.com/library/analogDialogue/archives/issues/vol40n2.pdf
Joe
gene glick wrote:
Can anyone h
[snip]
>With gschem, GTK shortcut customization does not work at all.
>
Yup. gschem uses its own keymapping system: two or more key
sequence hotkeys that is not supported by GTK+'s shortcut customization.
-Ales
_
On 9/29/06, Stefan Salewski <[EMAIL PROTECTED]> wrote:
John Luciani wrote:
>
> I think you are correct. Also I think the rows are swapped :-(
>
> Looking down at the component side of the PCB I believe the
> pinout should be ---
>
>FRONT of CONNECTOR
>
> 43
> 1
On 9/29/06, Mark Rages <[EMAIL PROTECTED]> wrote:
On 9/29/06, John Luciani <[EMAIL PROTECTED]> wrote:
> On 9/29/06, Mark Rages <[EMAIL PROTECTED]> wrote:
> > On 9/29/06, Stefan Salewski <[EMAIL PROTECTED]> wrote:
> > > Hello,
> > >
> > > I am using newlib gEDA footprints from www.luciani.org
> >
On 9/29/06, Mark Rages <[EMAIL PROTECTED]> wrote:
On 9/29/06, John Luciani <[EMAIL PROTECTED]> wrote:
>
> The pinout in that gif file (which is the as the Molex 67068) did not match
> my footprint. I had the rows reversed. Are you sure it was my footprint you
> used? Did you change the footprint?
On 9/29/06, John Luciani <[EMAIL PROTECTED]> wrote:
On 9/29/06, Mark Rages <[EMAIL PROTECTED]> wrote:
> On 9/29/06, Stefan Salewski <[EMAIL PROTECTED]> wrote:
> > Hello,
> >
> > I am using newlib gEDA footprints from www.luciani.org
> > ( pcb-symbols-jcl_2006-8-20.tgz).
> >
> > I am not sure if
On 9/29/06, Mark Rages <[EMAIL PROTECTED]> wrote:
On 9/29/06, Stefan Salewski <[EMAIL PROTECTED]> wrote:
> Hello,
>
> I am using newlib gEDA footprints from www.luciani.org
> ( pcb-symbols-jcl_2006-8-20.tgz).
>
> I am not sure if pin- numbering of USB-Type-B connector called
> CON_USB_TYPEB__Key
On 9/29/06, Stefan Salewski <[EMAIL PROTECTED]> wrote:
Hello,
I am using newlib gEDA footprints from www.luciani.org
( pcb-symbols-jcl_2006-8-20.tgz).
I am not sure if pin- numbering of USB-Type-B connector called
CON_USB_TYPEB__Keystone_924 is correct. I have an identically
looking connector
Hi all,
On Saturday 23 September 2006 21:03, Patrick Doyle wrote:
> I hope to make it to a gathering and meet all of you sometime soon,
> but alas, I will be camping with my two boys next weekend. Have
> fun... (and pray for nicer weather than this weekend for us) :-)
I'll go camping, too. So I
John Luciani wrote:
>
> I think you are correct. Also I think the rows are swapped :-(
>
> Looking down at the component side of the PCB I believe the
> pinout should be ---
>
>FRONT of CONNECTOR
>
> 43
> 12
>
> Is this the way your connector is specified?
>
>
> This brings up the question: how reliable is the auto-router anyway? Is
> it a reasonable idea to use it for non-critical projects - providing, of
> course, a person does a careful visual inspection of the traces?
I haven't seen an auto-router yet where you don't have to carefully
visually ins
>>
q=it(gate charge rule of thumb)
make t << Tpwm to reduce heating.
expect to blow some significant power in the driver stage.
phil
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On Thu, 2006-09-28 at 17:30, DJ Delorie wrote:
> > I've noticed that if you mention the auto-router there's a deathly
> > silence here.
>
> That's because the guy that wrote the autorouter isn't participating
> any more.
>
This brings up the question: how reliable is the auto-router anyway? Is
On 9/29/06, Stefan Salewski <[EMAIL PROTECTED]> wrote:
Hello,
I am using newlib gEDA footprints from www.luciani.org
( pcb-symbols-jcl_2006-8-20.tgz).
I am not sure if pin- numbering of USB-Type-B connector called
CON_USB_TYPEB__Keystone_924 is correct. I have an identically
looking connector
On 9/29/06, Stefan Salewski <[EMAIL PROTECTED]> wrote:
Hello,
I am using newlib gEDA footprints from www.luciani.org
( pcb-symbols-jcl_2006-8-20.tgz).
I am not sure if pin- numbering of USB-Type-B connector called
CON_USB_TYPEB__Keystone_924 is correct. I have an identically
looking connector
Hello,
I am using newlib gEDA footprints from www.luciani.org
( pcb-symbols-jcl_2006-8-20.tgz).
I am not sure if pin- numbering of USB-Type-B connector called
CON_USB_TYPEB__Keystone_924 is correct. I have an identically
looking connector from www.reichelt.de (Assmann). This connector
is wi
At 04:04 29-9-2006, you wrote:
The thing to remember is that the gate on a mosfet (or any fet, I
suppose) is a CAPACITOR. You have to charge it to a sufficient
voltage to bias the mosfet; the charge time depends on the resistance
or current limits of the driving circuit. You also have to bleed
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