SPICE-Simulation using LTspice IV

Step 3:
And now carefully modify the entries as
given in the figure on the left.
(Pay special attention to the first line:
„Prefix“ must be changed from MN =
model to „X“ = subcircuit)
Step 4:
Open „Edit“ and „Attribute Window“. Click on „Value“ and
place the description „NMOS“ over the symbol.
Then press OK, repeat the procedure but click now on „SPICE
File“. The information „irfz44n.lib“ must now be placed beside or
below the Symbol.
Now save the complete symbol -- It is best to create a new
folder „NMOS-FETs“ in „lib / sym“ and to save the new symbol
in it.
That’s all -- now let’s tackle the first task..
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