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Eintrag vom: 22.06.2013.

Hi all I need to simulate an IGBT in LTspice. While I've used LTspice for a while I'm new to adding components to the library. I need to model the FGA180N33ATD from Fairchild Semiconducter. What I've done so far is download the Pspice model from their website and included the .sub file in...

 

Hi I am trying to add an LED model with these specs: Forward voltage(V): 2.0-2.2Current(mA): 20 When looking at diode list in LTSpiceIV there is only Breakdown voltage but no value for Forward Voltage. (or is breakdown voltage the forward voltage?) I wondered if anyone knew if there a...

 

How do I specify the initial charge voltage of C4 like that of C3? Right clicks on C3 & C4 both popup the same menu with options like capacitance values and Rser(ESR). On C3 the change I made to Rser is seen on the schematic but on C4 the Rser value I entered don't even show up on the...

 

I can't find any guides on the internet so I tried to figure it out myself. I tried using 3 sin voltage sources with time delays of 0 -120 -240 each. In class these values are in degrees and not seconds so I'm confused If I'm using the correct value in LTspice. The simulation does not seem...

 

Hi everyone I have been looking for some tutorial or book where I can find information how to create my own LTSpice model. I would like to understand what symbol in the model mean. For example there is below code for BAT64 diode: * Infineon Technologies Discrete & RF Semiconductors...

 

Import LM358 model into LTspice XVII Nishant Kumar 1 Jun 1 2019 Search Forums New Posts N

 

Since yesterday I don't seem to be able to rotate or swap components in LTSpice using Crl+R or Ctrl-E. When I press those keys the component doesn't move. What might be happening and how I solve it? Thanks!

 

Does anyone have an LTSpice component model/symbol combo for the LM7812 and LM7912 regulators or know of an equivalent component that's already in the library? TIA

 

Hi I've been working with LTspice and found that many times the simulation get very slow in fact - not useable. Can anyone help with that? I've tried several solutions (see below) but it didn't work. Please see attached two simulation project examples: 1. LED driver (LT3474) with and without...

 

I need to add a new Diode to LTSpice to perform some academic simulations but i don't know how to do it. Adding just a Spice Directive looks like it's not enough...