⏚ Electrical Engineering

Why do LEDs dim so poorly?

You can buy LED lamps that will change color to anything you can imagine. Why don't they make a dimmable LED that track...

4 comments posted 12yrs

posted by gfretwell

4 comments posted 12yrs posted by gfretwell

Forward converter is actually transformer isolated buck (step down) converter.

Forward converter is actually transformer isolated buck (step down) converter. Read more: http://www.cirvirlab.com/inde...

0 comments posted 12yrs

posted by pchung705

0 comments posted 12yrs posted by pchung705

PSCAD: *.pscx to *.psc?

How can I change a *.pscx file of PSCAD to a *.psc?

0 comments posted 12yrs

posted by Farzad

0 comments posted 12yrs posted by Farzad

Op-Amp Sawtooth Generator

Op-Amp Sawtooth Generator is unavoidable part of PWM modulators and so part of analog control circuits. Now it can be s...

0 comments posted 12yrs

posted by pchung705

0 comments posted 12yrs posted by pchung705

Engineers with Large Research Paper Libraries: Invitation Only Preview

I am working with a team developing the next generation of research management tools, focused exclusively on meeting th...

0 comments posted 12yrs

posted by tom

0 comments posted 12yrs posted by tom

Connector source?

Looking for the manufacturer and (praying) the series of this connector: http://oi57.tinypic.com/w7luea.jpg http://oi57....

2 comments posted 12yrs

posted by invalid

2 comments posted 12yrs posted by invalid

Long voltage decay time of generator

In case of generator with brushless excitation, voltage decay takes very long time after generator is tripped. Under fa...

10 comments posted 12yrs

posted by S D Nagar

10 comments posted 12yrs posted by S D Nagar

Flyback converter

Even though some authors presents flyback converter as transformer isolated boost converter, it is more closer to reali...

0 comments posted 12yrs

posted by pchung705

0 comments posted 12yrs posted by pchung705

Computer Generated Science Gibberish

http://www.sciencerecorder.com/news/fraud-100-articles-published-in-science-journals-are-found-to-be-gibberish/ Makes me...

1 comments posted 12yrs

posted by phoney

1 comments posted 12yrs posted by phoney

Uploaded a new video: Introduction to the HP/Agilent 3852A

Dear members: I have created a new video which will serve as an introduction to the HP/Agilent 3852A Data Adquisition a...

1 comments posted 12yrs

posted by Robert_Wolf

1 comments posted 12yrs posted by Robert_Wolf

Testing Outside Lighting With Greenlee Circuit Tracer

Is there a straightforward way to use a Greenlee Circuit Tracer on outside lighting fixtures? These would only have the...

1 comments posted 12yrs

posted by persistentone

1 comments posted 12yrs posted by persistentone

Boost DC-DC converter online simulation

Online simulation of Boost converter DC-DC converter is ready. Boost DC-DC converter has output voltage always higher t...

0 comments posted 12yrs

posted by pchung705

0 comments posted 12yrs posted by pchung705

Fuse for motor protection?

A small 1/2 hp induction motor is turned on and off with a motor-rated toggle switch connected to a 208V 20A branch cir...

11 comments posted 12yrs

posted by mcham

11 comments posted 12yrs posted by mcham

Re: Identifying buck-boost transformer windings?

> I have the wiring diagrams in .pdf for Square D buck/boost xmfrs. The > X wires are the heavy wires and the H wires t...

1 comments posted 12yrs

posted by invalid

1 comments posted 12yrs posted by invalid

GFI bathroom wiring

I am trying to add a few GFI outlets to my wife's bathroom. I also have to move one of the outlets because of a larger...

8 comments posted 12yrs

posted by stryped1

8 comments posted 12yrs posted by stryped1