⏚ Electrical Engineering

Darlington pair is two stage current amplifier

Darlington pair is actually two stage current amplifier. Now, there is new tutorial: http://www.cirvirlab.com/index.php...

1 comments posted 12yrs

posted by pchung705

1 comments posted 12yrs posted by pchung705

Bad disk capacitor?

I have been working on stuff for almost 50 years and I just had my first shorted disk capacitor. (those flat brown cera...

5 comments posted 12yrs

posted by gfretwell

5 comments posted 12yrs posted by gfretwell

Please help me find this book in pdf format " W.Harrison pseudopotentials in the theory of metals"

Please help me to find this book, I really need it in pdf format. " W.Harrison pseudopotentials in the theory of metals"...

2 comments posted 12yrs

posted by beautyofamind

2 comments posted 12yrs posted by beautyofamind

push-pull output simulation is ready

Push-pull output is most popular output stage for op-amps and audio power amplifiers. New tutorial: http://www.cirvirla...

0 comments posted 12yrs

posted by pchung705

0 comments posted 12yrs posted by pchung705

Schematic Symbol I Am Not Familiar With: Anyone Know Perhaps ?

Hello, Have a forced hot water system for home heating that uses the typical 2 wire Honeywell thermostat to control a H...

7 comments posted 13yrs

posted by rgsros

7 comments posted 13yrs posted by rgsros

Inline Power Meters for Computer Server?

Does anyone make a very small power meter for a computer server that will give me a constant spot reading on the power...

1 comments posted 13yrs

posted by persistentone

1 comments posted 13yrs posted by persistentone

Digital Engineering Notebook

LABTrack LLC has introduced software that can replace your engineering notebooks with a searchable, shareable and legal...

0 comments posted 13yrs

posted by rstember

0 comments posted 13yrs posted by rstember

Inductor current can't be suddenly cutoff if no freewheel diode is attached

Inductor current can't be suddenly cutoff if no freewheel diode is attached. New tutorial is ready...

13 comments posted 13yrs

posted by pchung705

13 comments posted 13yrs posted by pchung705

1n34a finally found!

Finally I found the real deal! If anyone else has been looking for this part I found it and one of my new favorite sites...

1 comments posted 13yrs

posted by cgage.com

1 comments posted 13yrs posted by cgage.com

Automotive alternator windings & rectifier

http://www.autoshop101.com/forms/alt_bwoh.pdf has photos of an alternator with 4 connections for windings (each of 3 ph...

31 comments posted 13yrs

posted by mcham

31 comments posted 13yrs posted by mcham

Series R-C circuit integrator

Good side of R-C circuit integrator that has no voltage offset to be integr ated, like it is the case with op-amp integ...

0 comments posted 13yrs

posted by pchung705

0 comments posted 13yrs posted by pchung705

phase voltage

If the following equation gives the phase voltage for a PMAC when the phase current (Iph) is in phase with the back emf...

1 comments posted 13yrs

posted by johnoshea19

1 comments posted 13yrs posted by johnoshea19

PMAC machine regenerative braking question

Hi, I was wondering if you might be able to help me with the following question. An electric drive operates in regenera...

1 comments posted 13yrs

posted by johnoshea19

1 comments posted 13yrs posted by johnoshea19

Bouncing cells?

That crazy Ozzie is at it again: https://www.youtube.com/watch?v=PRf9JTg3QwA Fascinating...

3 comments posted 13yrs

posted by invalid

3 comments posted 13yrs posted by invalid

smps controller IC datasheet?

oem power supply, 31.5 vdc 1.5 A. I want to change the output to 24 v. There is one 8-pin IC, labeled: 230D1 PUICO I don...

5 comments posted 13yrs

posted by invalid

5 comments posted 13yrs posted by invalid