Op Amp Builder - Level 1
Create your own SPICE Op Amp Macromodels
SPICE Circuit
Enter Op Amp Parameters
Aol
Open-Loop Gain (V/V)
fu
Unity-gain Frequency (Hz)
or Gain Bandwidth Product (GBP)
Rin
Input R
Rout
Output R
Enter Model Parameters
R1
Open-loop gain resistor.
Subckt Name
Name for SPICE subcircuit.
Precision (digits)
Precision for moldel values.
Calculations
KG1 = Aol / R1
Open-Loop Gain Aol = KG1 * R1.
fp1 = fu / Aol
First pole filter to acheive fu.
C1 = 1 / (2 * pi * fp1 * R1)
C1 for fp1.
To copy into text file, First Ctrl-A and Ctrl-C inside box above, then Ctrl-V into text file
