Recent content by leejohnson222

Is there any free lighting design software for mac that can also include emergency lighting design ?

yes i understand, i could look at a room i have converted from standard lighting to LED with LCM control and PIR switching. the question is You work in the design department of a large company and you have been given the task of working on a design project for a new product. You must develop a...

yes it an assignement

ok i kind of see what you mean, yes this is for an assignment and im stuck on what item or system to select that i can then create a design brief

I have to select a product or system and create a design brief, i am not sure what would be suitable ? i work as an electrician so it would be good to discuss something i have good knowledge on. Does this mean such things as a Break glass fire alarm point, Lighting Control Module, or Mag...

oh yes this will be a slow process but there is no rush, so i will just see what i can pick up by trial and error how do you label a node ? right click it ?

right so changing these parameters will give me different shape resonance and it makes sense if you widen the range you get to see more of the curve, as this is the first time using spice i just wanted to get an indication that i am going in the right direction. I will continue to play with this...

this is what i have so far, looks like a very wide curve here

very useful information, thank you, helps me avoid making mistakes with this sim

it shows up on both capacitors and the inductors, with the SI in the middle like 1K5 i assumed it was 1.5K ?

ok i see what your saying this is very helpful, especially as i was already struggling with multisim, Ltspice is another program with different ways of doing things, so it is very helpful to me, as you say i will play with this and see what i can learn from it. One more question i noticed the...

great so i have it working now, right i see the resonance, so basically there are 2 parts being looked here, is this current and voltage across the frequency and magnitude scale

ok so this has an added level of frustration as i have not used a windows computer for years, on the windows laptop it doesnt show the full extension .txt so i can not change it, i checked in properties and cant see how to do it anywhere else. could you maybe upload and provide a sendspace.com...

ok its installed, i managed to create the circuit, but will need some help as i have even less of a clue on how to use this program, maybe its as you said, it may not be about the actual circuit with the settings given, maybe they just want me to create a resonance curve ??

oh sorry windows