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Sci.Electronics.Design
Sci.Electronics.Design is a worldwide Usenet news group that is used to discuss various aspects of Electronic Circuit Design.
There are 5035 threads in our archives.
You are looking at page 20 of 504.
The threads with the newest articles are listed first.
Adjustable current mirror [62 articles]
Tim Williams - 2010-02-20 16:32:00
Leading from earlier discussion, I have drawn this:
http://webpages.charter.net/dawill/Images/Variable_Mirror.png
Assuming thermal currents and voltages are equal, analysis suggests that Ic
is v...
Protecting 3x16 bits with 16 bits ? [31 articles]
Skybuck Flying - 2010-02-20 13:55:00
Hello,
Soon I will attempt some gpgpu development/shader development... I have
already done some tests and so forth the gpu and it's memory seem to be
working just fine... (and fast ;) :)) No b...Soldering Iron Recommendations? [65 articles]
Jim Thompson - 2010-02-20 05:50:00
I have an absolutely ancient Weller WTCPN soldering station that is
disintegrating... it's probably at least 33 years old.
I don't have any need for surface mount sophistication.
What are peopl...Vehicle voice amp/intercom [16 articles]
Midge - 2010-02-20 05:38:00
Have a bit of an unusual requirement and I confess my electronics design
knowledge is very basic digital and pretty much nil analogue, but I wondered
how easy this would be to do......
The scen...Light Bulb "Medium Base" [28 articles]
Jim Thompson - 2010-02-20 04:01:00
I'm having a senior moment (I'm entitled, 12 days to the big 7-0)...
Is a Light Bulb "Medium Base" a _standard_ ordinary, everyday light
bulb base?
......Source for small (e.g., PDA/phone) color touch panels [15 articles]
D Yuniskis - 2010-02-20 00:40:00
Hi,
I am looking for 10 - 20 small-ish color LCD touch panels
for a "one off" project. In these small quantities, I suspect
I may be better off purchasing a bunch of "appropriate" PDA's
on eBay...PCB mounting fasteners [26 articles]
mook johnson - 2010-02-19 22:42:00
Manufacturing and I have a disagreement on PCB fastening techniques for
antivibration.
The recommend a #4 screw, internal splice lock washer then a flat washer on
top of the PCBA. Then as a ch...I need a reflow oven for my production lab immediately!! HELP!!! [16 articles]
vtech9815 - 2010-02-19 19:31:00
I'm in need of a reflow oven specifically an lead-free one. I need to
reflow at least a 100 boards a week. I google most of the company locally
in CA. I'm thinking of buying one of my vendor in Corona...Reviving Test Equipment After A Long Storage Period [11 articles]
Too_Many_Tools - 2010-02-19 18:59:00
I have a number of pieces of test equipment (HP, Tek, Fluke...digital/
analog/RF) that have been sitting in storage for a decade.
Time to apply the power and see if they work.
What is the recom...Maintaining a Vbe Multiplier's bias value [136 articles]
Jon Kirwan - 2010-02-19 18:01:00
I think this fits in sci.electronics.design, not .basics.
I'd like to consider the Vbe multiplier often used in audio
amplifiers to maintain a bias voltage for the output stage.
The purpose is to...