*_________________________________________________________________________
* 
* UA741 operational amplifier "macromodel" subcircuit
* connections:  non-inverting input
*               | inverting input
*               | | positive power supply
*               | | | negative power supply
*               | | | | output
*               | | | | |
.subckt UA741   1 2 3 4 5
*_________________________________________________________________________
*
c1  11 12 4.664E-12
c2  6 7 20.00E-12
dc  5 53 dx
de  54 5 dx
dlp 90 91 dx
dln 92 90 dx
dp  4 3 dx
egnd1 98 0 3 0 0.500000
egnd2 99 98 4 0 0.500000
fb1     7 99 vb 10610000.000000
fb2     7 99 vc -10000000.000000
fb3     7 99 ve 10000000.000000
fb4     7 99 vlp 10000000.000000
fb5     7 99 vln -10000000.000000
ga      6 0 11 12 137.7E-6
gcm     0 6 10 99 2.574E-9
iee 10 4 dc 10.16E-6
hlim 90 0 vlim 1K
q1  11 2 13 qx
q2  12 1 14 qx
r2  6 9 100.0E3
rc1  3 11 7.957E3
rc2  3 12 7.957E3
re1 13 10 2.740E3
re2 14 10 2.740E3
ree 10 99 19.69E6
ro1  8 5 150
ro2  7 99 150
rp  3 4 18.11E3
vb  9 0 dc 0
vc 3 53 dc 2.600
ve  54 4 dc 2.600
vlim 7 8 dc 0
vlp 91 0 dc 25
vln  0 92 dc 25
.model dx D(Is=800.0E-18)
.model qx NPN(Is=800.0E-18 Bf=62.50)
.ends

* example UA741 usage  ->  X1  in+ in- cc+ cc- out  UA741