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I don't have those files "nom.slb" or "nom.pld" in my version of Pspice. Sorry, but I don't know what they are for.
Can you get Pspice to function without these files? Maybe you can uninstall 9.1 and try the 9.2 version. Can you contact the professor of the class for assistance?
It sounds like the file "nom.lib" is missing from your configuration files. Open up a schematic page or create a new one and go to <Pspice>/<Edit Simulation Profile>/<Configuration Files (tab)> and highlight "Library" in the pull-down list. If you don't see "nom.lib" listed in the window, then...
I don't think there will be a lack of height. It's just wider, but still as high as a regular monitor. If you get a decent model you should still be able to get ~1000 pixels vertical at it's optimum resolution. Look for something that can handle at least 1000 pixels in the vertical and at...
LM6142 is a good single supply, rail-to-rail op amp and Digikey or Newark will have them in stock. I think they are a bit pricey. Probably are some cheaper alternatives. Be sure to specify DIP package if you don't want to work with surface mount components (which I'm guessing you don't).
I would definitely try the cap across the 4.5 VDC output as Rodalco suggested. It is usually a good idea to add something like that on the output of a DC/DC converter in custom applications. It looks like the converter you have was designed mostly for equipment that has inherent power...
Aren't most coax cables designed with characteristic impedances that expect to be matched up with 50 ohm or 72 ohm equipment? I'm thinking it might not be the best result when using them with an 8 ohm device such as a speaker. Will this matter?
You mention that these LED/Fiber optic bundles cycle "through a variety of blink programs" when you press the ON/OFF button. This would imply that there is some supporting circuitry that controls this behavior. Is there any indication that this other circuitry is damaged/malfunctioning? It...
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