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Thank you everybody, I really enjoyed reading this thread!

Digital filtering is not the only option but its the the one I am most familiar with. Did you try Google Books?

I am Looking at this Stage Lighting Lamp and not quiet sure of what to make of the power spec. Power Requirements: Standard AC power distribution from 200– 264 VAC, 50/60 HZ. The unit requires 7 to 12 A depending on the AC supply voltage. Is 200-264VAC standard in the US? Is this perhaps for...

Suppose a wire is carrying 3 phase ac current, as you increase the current, by what magnitude must the cross sectional area increase by? Is this a linear relationship? Thanks.

A link to the part from digikey or any other mfg. would be greatly appreciated! By air I mean instrumentation air, 35 psi. I'm thinking a simple tube with a mechanical contact that closes when air flows through from one direction. Here's a drawing..lol ;) ________________________...

I need help finding this part, I don't know what its called, but I can describe it: Part checks air in a line, If there is Air in the Line, Output=1 else 0. Voltage to be tied from external power supply. Would digikey or a similar supplier have something like this? THANKS

yes mate, have contacted several, no reponses

Circuit maker? http://www.circuitmaker.com/

How much would a 30kVA, 480V Primary, 120/208V Secondary THREE phase transformer weight, roughly? Thanks, ppc

http://www.bearingsindustry.com/aboutbearing.htm

Hello, How much would a transformer like this cost? Any idea where I could get something like this? Thanks. -Step down transformer going from 277/480 Volts 3 phase TO 120/208V 3 phase voltage. 30.1 kVA /nextup. -Smallest and lightest (weight) possible transformer -Able to work in an outdoors...

Just though Id add this Single-phase voltage | Three-phase voltage (rounded) 100 173 110 190 115 200 120 208 127 220 220 380 230 400 240 415 277 480 347 600

Got it! Thanks Bill!

120V/208-230V 3 phase ...what is meant by this?

OK that helps, so is 208V same as 230V?

I'm a mech engineer so this stuff is really confusing me. How is 115V the same as 120V. I know about the 10% rule, but why is the nominal voltage not always used in discussions, if 120V is nominal why are some people calling it 115V? Can someone list the types of voltages that are possible in...

Hello, I've got a device that connects to a computer via a short 3m USB cable. I'd like to be able to this with a 100 feet distance. The converters I've seen require a RJ type connector at the PC end, I need a db9. ALso I'm on a $400 budget :) Hopefully that will be neough. Thanks

Could you to bit more generic?

Good Day, Is it electrically correct (in terms of wiring standards) to use the shield wire in a cable as Ground(-).

I have a client who would like a connection to my PC's Card (a pci card). so that I could write files to the PI historian databse. Can a PCI card produce a format that a PI database can accept?