...parallel design? I designed the circuit as I see depicted on the web.
Wouldn't it be the same if I just used one resistor and disapated .25 W * 1 device instead of .25W * 22 devices?
Again I am a Mechanical designing LED circuits. I really do not have an Electrical of knowledge on board...
Maybe this will answer my question:
Does a SM resistor go at the end of the series chain? I always assumed at the start of the series chain. I thought a resistor dropped the voltage prior to it entering the series chain - thus limiting how much voltage is supplied.
If it goes at the end then...
...parallel with 22 chains
I calculated using typical Vf as the following:
24/3.2 = 7.5 devices so I rounded down to 7 devices in a series chain.
7*3.2 = 22.4 volts required
24 supplied - 22.4 volts = 1.6 volts to dissipate.
Resistance = 1.6/.150A = 10.67 ohms
Wattage across resistor =...
@CorBlimeyLimey (Mechanical)
I thought it was specific and detailed. I did all the ground work up front. I just needed reaffirmation on the specifics of a SM resistor - how to calculate wattage for proper sizing.
I would have liked at least an explanation for the deletion. It was a bit sudden...
It was a novice question since I'm a Mechanical Engineer by degree.
As a Mechanical Engineer in a small company without much of an Electrical Engineer in house (supposedly coming) I wanted to seek the help of knowledgeable resources on this board. I thought this is what these forums allow -...
I had a question on this forum concerning a SM resistor in a LED circuit. It has since disappeared? There was a poster that posted an admonishment (to whom I do not know), and I checked today and it has since disappeared. Was there a violation in posting rules?
uGlay, I was having the same problem as you. I installed 2009, and could change the precision with no problems. Then all of a sudden I was getting the error you were getting. Nothing changed with my install.
Your solution worked for me as well. I would have never thought of doing what you did...
"OK, I just checked on the status of the CAE modules, including NX Flow and NX Thermal, for the Mac OS port. The porting of these modules, and that includes ALL CAE products, are being planned for NX 7. For NX 6.0.1 (if we release it) it will cover the basic CAD and CAM modules only, but there...
JMirisola,
Look at my attached link. Over a 2.6 inch span there are five facets to define the smoothness of the arc. I wouldn't mind maybe 100 to define the smooth arc, but not 5. This doesn't change regardless of the settings.
I decided to extrude a circle. It was somewhat faceted initially...
It's a Quadro FX 1400 set to Solidworks.
4 GB's of memeory
Win XP Pro
If I extrude a circle, and change the image quality the circle is smooth. So I don't think it's a graphic/screen issue.
Is the arc smooth? - yes
Does it look smooth? - No
I created an arc and then extruded a thickness and length. When shaded, the arc exhibits faceted faces as opposed to a smooth surface. I went to Tools/Options/Document Properties and bumped up the Image Quality to High for both shaded and Wireframe. Still looks facted. I'm inserting this part...
I have a long part that will be broken on a drawing. I want to replace the existing length dim with -> "L" (I will have a table for different lengths "L"), in a sense overriding the true dimension. I can delete the <DIM> nomenclature in the Dim Prop Panel and type "L", but I would also like to...
weird I just created a new part fresh (I received the one part from a colleague of mine in the same company). I recreated the same geometry, and it looks great!!!!! Why would a part from another SW seat not conform to my settings?
Yes CorBlimeyLimey the video card is set to Solidworks. Monitor...
