LTspice simulation distortion function

gilmanli · Sep 28, 2010

Dear all,
I used LTspice SW few weeks ago.After completed a JFET Amp. polted the AC analysis the result is fine but I want to check the Amp. distortion,I can't find this function at LTspice.Does any one tell me how to do this function at LTspice or other simulation SW can do that ?
I read the LTspice manual carefully how to check the noise function at LTspice but I can not understand how to do,does any one help me ? Enclose are the circuitry and AC anlysis ploting result for your reference.

Best regards,
Gilman Li.

MikeMl · Sep 28, 2010

Join the LTSpice group on YAHOO. Look in their FILES section for examples on how to use the .DISTO function, Spectral analysis, and .NOISE analysis.

gilmanli · Sep 29, 2010

Dear Mike,
Much thank,I will joint the groud.

Best regards,
Gilman Li.

koolguy · Oct 2, 2010

while designing op-amp in LT spice, the output some times is in KV rating i don't understand from where KV come as i apply less than 10v so, how it is possible.

pls tell...!

MikeMl · Oct 2, 2010

You are doing something non-physical. e.g. feeding a current-source into a very high-impedance will produce kV. Post your circuit.

koolguy · Oct 3, 2010

but how can it give output upto kv rating.

ericgibbs · Oct 3, 2010

RITESH KAKKAR said:
but how can it give output upto kv rating.

What would the voltage be across a 10 meg ohm resistor which had a constant current of 100mA flowing thru it.???

koolguy · Oct 6, 2010

I want to run 555 ic in lt spice for this the above link given is not working or i can't run that pls tell how to add and run more ic's.

ericgibbs · Oct 6, 2010

RITESH KAKKAR said:
I want to run 555 ic in lt spice for this the above link given is not working or i can't run that pls tell how to add and run more ic's.

hi,
Do you mean this link.?
**broken link removed**

koolguy · Oct 28, 2010

I want to add IC 7808 in lt spice.

ericgibbs · Oct 28, 2010

RITESH KAKKAR said:
I want to add IC 7808 in lt spice.

Look here
**broken link removed**

Did you join the LTS Yahoo user group as suggested.?

koolguy · Oct 29, 2010

Yaa, but don't get what i need.

koolguy · Oct 29, 2010

i got it!!

koolguy · Oct 29, 2010

I am not able to design Transformer (step Down) for 78xx series regulator, pls help!!

koolguy · Oct 29, 2010

RITESH KAKKAR said:
I am not able to design Transformer (step Down) for 78xx series regulator, pls help!!

reply ....!!

ericgibbs · Oct 30, 2010

RITESH KAKKAR said:
reply ....!!

hi,
Look at these asc files.

koolguy · Oct 30, 2010

Sir, i think you are expert of Lt spice, any more interest of yours??

koolguy · Nov 25, 2010

Hi, I want to add 4017 IC in Lt spice. pls help..!!

ericgibbs · Nov 25, 2010

RITESH KAKKAR said:
Hi, I want to add 4017 IC in Lt spice. pls help..!!

hi Ritesh,
Did you join the Yahoo LTS users group as recommended..?

Look here:
**broken link removed**

koolguy · Nov 25, 2010

i have joined but not getting, what i want.

LTspice simulation distortion function

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