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op_amp_3simultan_eq_3AOA.sp
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op_amp_3simultan_eq_3AOA.sp
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*- OpAmp
.hdl "opamp.va"
.hdl "inverter2.va"
* opamp for X coordinate which is voltage out*14
* begin
xinvrt2 out2 outv2 inverter2
xamp1 inm inp out 0 opamp
rf inm out 100k
r1 outv2 inm 400k
rpf inp 0 100k
Vcoeff vrp1 0 dc 0.7143
rp1 vrp1 inp 800k
rpy inp 0 800k
* end
* opamp for Y coordinate which is voltage out2 * 14
* begin
xamp2 inm2 inp2 out2 0 opamp
rf2 inm2 out2 100k
r12 out inm2 37.495k
* gain (noninv terminal) is 1 + 1.667 = 2.667
rpf2 inp2 0 100k
Vcoeff2 vrp2 0 dc 2.0239
*xtest2 vrp2 out2 settling_test v0=0 v1=0.5 interval=10u
rp12 vrp2 inp2 100k
rpy2 inp2 0 59.988k
* end
* opamp for Z coordinate which is voltage out3 * 14
* begin
xinvrt3 out2 outv3 inverter2
xamp3 inm3 inp3 out3 0 opamp
rf3 inm3 out3 100k
r13 outv3 inm3 119.976k
rpf3 inp3 0 100k
Vcoeff3 vrp3 0 dc 0.2574
rp13 vrp3 inp3 239.952k
rpy3 inp3 0 239.952k
* end
*.DC Vcoeff -1 20 0.1
*.DC Vcoeff2 -1 5 0.1
.PROBE V(out)
.PROBE V(out2)
* diverges if simulated for more than 4u
.tran 10p 4u 0.0 0.01u
***--------------------------
.OPTION INGOLD=2 ARTIST=2 PSF=2 PROBE=0 GMMIN=1e-15 METHOD=GEAR
.OPTION POST
*.TEMP 30
.OPTIONS SCALE = 1.00
.SAVE
.end