Levente wrote:
> Hi,
>
>
> I have to design an audio amplifier that can deliver 100Amps. It should
> work around 50Hz, and the maximum output power shall be 500W. I am
> currently reading articles about this topic, but it is very hard to find
> things like this. If someone has some experience wi
Mark Rages wrote:
> 2) Put a largish solder blob on each end of the part
>
This is the *key* point in desoldering surface mount parts that most
beginners mess up on.
People have a tendency to try to remove all the solder they can, as they
are trying to remove a part. This is the exact opposit
Csanyi Pal wrote:
> Hello,
>
> I find the following on the Internet and want to ask you what do you
> think about it:
>
> Experimentation with Solder Paste and a Toaster Oven
>
> http://images.google.com/imgres?imgurl=http://www.curiousinventor.com/images/guides/smt/oven_paste_and_other_equip.jpg&i
Ethan Swint wrote:
> Steve Underwood wrote:
>
>> away the surplus solder in seconds. Creating a huge continuous blob of
>> solder around the four side is the strategy for removing a QFP.
>>
>>
> The way I like to remove QFPs (assuming that they'r
Peter TB Brett wrote:
> On Thursday 02 April 2009 08:32:09 Peter Carlsson wrote:
>
>> Hello!
>>
>> I have just started my first hobby project with gEDA and
>> noticed that some circuits I need is only available as
>> surface mounted circuits.
>>
>> How do you handle this problem? Or is it a prob
DJ Delorie wrote:
>> I think you can score them with a utility knife on both sides and
>> snap them apart.
>>
>
> I've tried that before with no luck. The boards are just too thick to
> be able to score reliably and deeply enough.
>
>
Yeah, its tough to do yourself. Did you just forget to
DJ Delorie wrote:
> Just got a box of panels from Advanced Circuits. Five panels, ten
> boards per panel (two each powermeter, usb-gpio pod, and three pod
> modules - ten sets of boards total). Joy!
>
> Unfortunately, I have no way of separating them into individual boards
> yet. Sadness!
>
> Bu
gene wrote:
> What does it mean when manufactures specify 'Endurance @ temp' or 'life
> time @ temp'? For example, one company claims:
> Endurance : 105 C 1000 h to 5000h
> Then they further state that after testing at 105C with maximum ripple
> current applied, that when the part is cooled to 2
8 matches
Mail list logo
