[Ktechlab-devel] Use case analysis, 2A3 amp. =P

[P Zoltan]

On Tue, 18 Nov 2008 07:34:22 +0100, Alan Grimes <agrimes at speakeasy.net>  
wrote:

>
> Right now it attempts to do an instant-by instant approimation. This
> gives it a frequency ceiling of 1khz... =\ To go further, it needs to be
> able to switch to static analysis techniques to approximate filter
> responses clear out to 200khz or so. Furthermore, it needs to be able to
> compute general parameters of frequencies all the way into RF. -- this
> is critical to the SMPS design...
>

  One approach could be to set how fast passes the time in the simulator;  
for instance, to be able to analize the response at 200khz, one could set  
that 0.005s in the simulator to correspond to 1s in real world. Then  
fourier  transform should be calculated, and get the harmonics...
  Second approach would be to implement AC sweep -- that needs new models  
and a framework able to switch between the models of the components.

>
> So a major benchmark for the Ktechlab simulator will be the ability to
> simulate any of the major SMPS topologies and come with reference
> designs for PFC input and DC-DC converters with output voltages all the
> way up to 1.5 KV.
>
  Other benchmark: the ability to complete a basic electronic course using  
ktechlab as circuit simulator. (circuits with diodes, transistors,  
op-amps). Example of the issues here: the comparators with op-amps have at  
the output +/-10^15 volt, which is far from realistic.

   Zoltan