def buildSimulations(self):
print('Building Simulations')
simName = projName = 'Short'
print(simName)
tdrsim = siapp.SignalIntegrityAppHeadless()
tdrsim.OpenProjectFile('TDRSimulation.si')
self.setRefProperty(tdrsim, 'V1', 'gain', self.g1)
self.setRefProperty(tdrsim, 'V2', 'gain', self.g2)
self.setRefProperty(tdrsim, 'DUT', 'file', simName + '.si')
self.setRefProperty(tdrsim, 'VG1', 'a', self.V1)
self.setRefProperty(tdrsim, 'VG2', 'a', self.V2)
tdrsim.SaveProjectToFile('TDRSimulation' + simName + '.si')
simName = projName = 'Open'
print(simName)
tdrsim = siapp.SignalIntegrityAppHeadless()
tdrsim.OpenProjectFile('TDRSimulation.si')
self.setRefProperty(tdrsim, 'V1', 'gain', self.g1)
self.setRefProperty(tdrsim, 'V2', 'gain', self.g2)
self.setRefProperty(tdrsim, 'DUT', 'file', simName + '.si')
self.setRefProperty(tdrsim, 'VG1', 'a', self.V1)
self.setRefProperty(tdrsim, 'VG2', 'a', self.V2)
tdrsim.SaveProjectToFile('TDRSimulation' + simName + '.si')
simName = projName = 'Load'
print(simName)
tdrsim = siapp.SignalIntegrityAppHeadless()
tdrsim.OpenProjectFile('TDRSimulation.si')
self.setRefProperty(tdrsim, 'V1', 'gain', self.g1)
self.setRefProperty(tdrsim, 'V2', 'gain', self.g2)
self.setRefProperty(tdrsim, 'DUT', 'file', simName + '.si')
self.setRefProperty(tdrsim, 'VG1', 'a', self.V1)
self.setRefProperty(tdrsim, 'VG2', 'a', self.V2)
tdrsim.SaveProjectToFile('TDRSimulation' + simName + '.si')
simName = 'Thru'
projName = simName + '1'
print(simName)
tdrsim = siapp.SignalIntegrityAppHeadless()
tdrsim.OpenProjectFile('TDRSimulation.si')
self.setRefProperty(tdrsim, 'V1', 'gain', self.g1)
self.setRefProperty(tdrsim, 'V2', 'gain', self.g2)
self.setRefProperty(tdrsim, 'DUT', 'file', simName + '.si')
self.setRefProperty(tdrsim, 'VG1', 'a', self.V1)
self.setRefProperty(tdrsim, 'VG2', 'a', 0.0)
tdrsim.SaveProjectToFile('TDRSimulation' + projName + '.si')
simName = 'Thru'
projName = simName + '2'
print(simName)
tdrsim = siapp.SignalIntegrityAppHeadless()
tdrsim.OpenProjectFile('TDRSimulation.si')
self.setRefProperty(tdrsim, 'V1', 'gain', self.g1)
self.setRefProperty(tdrsim, 'V2', 'gain', self.g2)
self.setRefProperty(tdrsim, 'DUT', 'file', simName + '.si')
self.setRefProperty(tdrsim, 'VG1', 'a', 0.0)
self.setRefProperty(tdrsim, 'VG2', 'a', self.V2)
tdrsim.SaveProjectToFile('TDRSimulation' + projName + '.si')
def testPowerDelivery(self):
proj = siapp.SignalIntegrityAppHeadless()
proj.OpenProjectFile('PowerDelivery.si')
res = proj.Simulate()
vgnames = res[0]
onames = res[1]
TM = res[2][0]
V = [[None], [None]]
V[vgnames.index(
'VG1')][0] = (-1 + random() * 2.) + 1j * (-1 + random() * 2.)
V[vgnames.index(
'VG2')][0] = (-1 + random() * 2.) + 1j * (-1 + random() * 2.)
b = [v[0] for v in (array(TM).dot(array(V))).tolist()]
A1 = b[onames.index('A1')] / sqrt(50.)
A2 = b[onames.index('A2')] / sqrt(50.)
B1 = b[onames.index('B1')] / sqrt(50.)
B2 = b[onames.index('B2')] / sqrt(50.)
V1 = b[onames.index('V1')]
V2 = b[onames.index('V2')]
I1 = b[onames.index('I1')]
I2 = b[onames.index('I2')]
pvi = V1 * I1.conjugate() + V2 * I2.conjugate()
pab = abs(A1) * abs(A1) + abs(A2) * abs(A2) - abs(B1) * abs(B1) - abs(
B2) * abs(B2)
A = array([[A1], [A2]])
B = array([[B1], [B2]])
pab2 = (A.conj().T.dot(A) - B.conj().T.dot(B)).tolist()[0][0]
self.assertAlmostEqual(pvi, pab, 12, 'power delivered incorrect')
self.assertAlmostEqual(pvi, pab2, 12, 'power delivered incorrect')
pass
def EyePattern(project, waveform, delay, bitrate):
import numpy as np
import SignalIntegrity.App as siapp
app = siapp.SignalIntegrityAppHeadless()
app.OpenProjectFile(project)
(_, outputWaveformLabels, _, outputWaveformList) = app.Simulate()
prbswf = outputWaveformList[outputWaveformLabels.index(waveform)]
ui = 1. / bitrate
times = prbswf.Times()
timesInBit = [((t - delay) / 3. / ui - int(
(t - delay) / 3. / ui)) * 3. * ui for t in times]
from PIL import Image
R = 400
C = 600
EyeWfCols = [int(t / 3. / ui * C) for t in timesInBit]
EyeWfRows = [int((v + 0.3) / 0.6 * R) for v in prbswf.Values()]
bitmap = [[0 for c in range(C)] for _ in range(R)]
for i in range(len(EyeWfRows)):
bitmap[EyeWfRows[i]][
EyeWfCols[i]] = bitmap[EyeWfRows[i]][EyeWfCols[i]] + 1
maxValue = (max([max(v) for v in bitmap]))
bitmap = [[
int((maxValue - float(bitmap[r][c])) / maxValue * 255.0)
for c in range(C)
] for r in range(R)]
img = Image.fromarray(
np.squeeze(np.asarray(np.matrix(bitmap))).astype(np.uint8))
img.save(waveform + '.png')
def testEqualizerFit(self):
app=siapp.SignalIntegrityAppHeadless()
app.OpenProjectFile(os.path.realpath('../../SignalIntegrity/App/Examples/PRBSExample/PRBSTest.si'))
(_,outputWaveformLabels,_,outputWaveformList)=app.Simulate()
prbswf=outputWaveformList[outputWaveformLabels.index('Vdiff')]
H=prbswf.td.H; bitrate=5e9; ui=1./bitrate
dH=int(H/ui)*ui-56e-12+ui
lastTime=prbswf.Times()[-1]
dK=int((lastTime-ui-dH)/ui)
decwftd=si.td.wf.TimeDescriptor(dH,dK,bitrate)
decwf=si.td.wf.Waveform(decwftd,[prbswf.Measure(t) for t in decwftd.Times()])
os.chdir(os.path.dirname(os.path.realpath(__file__)))
self.m_fitter=EqualizerFitter(self.PrintProgress)
self.m_fitter.Initialize(decwf,[-0.25,-0.1667/2.,0.1667/2.,0.25],1,1)
self.m_fitter.Solve()
results=self.m_fitter.Results()
print(results)
reggressionFile=self.NameForTest()+'.txt'
if not os.path.exists(reggressionFile):
resultFile2=open(reggressionFile,'w')
resultFile2.write(str(results))
resultFile2.close()
self.assertTrue(False,reggressionFile+ ' not found')
with open(reggressionFile,'rU' if sys.version_info.major < 3 else 'r') as f:
fitRegression=[[float(e)] for e in f.readline().replace(']','').replace('[','').split(',')]
for (res,reg) in zip(results,fitRegression):
self.assertAlmostEqual(res[0], reg[0], 5, 'equalizer fit failed')
def ZeroForcingEqualizer(project, waveform, bitrate, value, pre, taps):
import SignalIntegrity.App as siapp
from numpy import array
from numpy.linalg import inv
app = siapp.SignalIntegrityAppHeadless()
app.OpenProjectFile(project)
(_, outputWaveformLabels, _, outputWaveformList) = app.Simulate()
pulsewf = outputWaveformList[outputWaveformLabels.index(waveform)]
delay = pulsewf.td.TimeOfPoint(pulsewf.Values().index(max(
pulsewf.Values())))
print('delay: ' + str(delay))
H = pulsewf.td.H
ui = 1. / bitrate
startTime = delay - (int((delay - H) / ui) - 1) * ui
endTime = delay + (int((pulsewf.Times()[-1] - delay) / ui - 1) * ui)
M = int((endTime - startTime) / ui + 0.5)
d = int((delay - startTime) / ui + 0.5)
x = [pulsewf.Measure(startTime + m * ui) for m in range(M)]
X = [[0 if r - c < 0 else x[r - c] for c in range(taps)] for r in range(M)]
r = [[value] if r == d + pre else [0] for r in range(len(X))]
a = [
v[0] for v in (inv((
array(X).T).dot(array(X))).dot(array(X).T).dot(array(r))).tolist()
]
print('results: ' + str(a))
def testZZZZDoThisLast(self):
proj = siapp.SignalIntegrityAppHeadless()
self.assertTrue(proj.OpenProjectFile('TDRModel.si'))
proj.Device('N1')['vrms']['Value'] = 6e-6
proj.Device('N2')['vrms']['Value'] = 6e-6
proj.Device('N3')['vrms']['Value'] = 6e-6
proj.Device('N4')['vrms']['Value'] = 6e-6
proj.SaveProjectToFile('TDRModel.si')
def testMixedModeConversion(self):
import SignalIntegrity.App as siapp
pysi = siapp.SignalIntegrityAppHeadless()
pysi.OpenProjectFile('MixedMode.si')
netlist = [
line.replace(' file None', '')
for line in pysi.Drawing.schematic.NetList().Text()
]
sd = si.p.SystemDescriptionParser().AddLines(
netlist).SystemDescription()
sd.AssignSParameters('MM1', si.dev.MixedModeConverter())
sd.AssignSParameters('MM2', si.dev.MixedModeConverter())
ssps = si.sd.SystemSParametersSymbolic(sd, size='small')
ssps.DocStart().LaTeXSolution().DocEnd().WriteToFile('mixedmode.tex')
def EqualizerFit(project,waveform,delay,bitrate):
import SignalIntegrity.App as siapp
import SignalIntegrity.Lib as si
app=siapp.SignalIntegrityAppHeadless()
app.OpenProjectFile(project)
(_,outputWaveformLabels,_,outputWaveformList)=app.Simulate()
prbswf=outputWaveformList[outputWaveformLabels.index(waveform)]
H=prbswf.td.H; ui=1./bitrate
dH=int(H/ui)*ui-delay+ui; lastTime=prbswf.Times()[-1]; dK=int((lastTime-ui-dH)/ui)
decwftd=si.td.wf.TimeDescriptor(dH,dK,bitrate)
decwf=si.td.wf.Waveform(decwftd,[prbswf.Measure(t) for t in decwftd.Times()])
os.chdir(os.path.dirname(os.path.realpath(__file__)))
fitter=EqualizerFitter()
fitter.Initialize(decwf,[-0.25,-0.1667/2.,0.1667/2.,0.25],1,1)
fitter.Solve()
print(fitter.Results())
def testAAAADoThisFirst(self):
proj = siapp.SignalIntegrityAppHeadless()
self.assertTrue(proj.OpenProjectFile('TDRModel.si'))
proj.Device('N1')['vrms']['Value'] = 0.0
proj.Device('N2')['vrms']['Value'] = 0.0
proj.Device('N3')['vrms']['Value'] = 0.0
proj.Device('N4')['vrms']['Value'] = 0.0
proj.SaveProjectToFile('TDRModel.si')
if self.deleteCache:
import glob
# Get a list of all cached files
fileList = glob.glob('*_cache*')
# Iterate over the list of filepaths & remove each file.
for filePath in fileList:
try:
os.remove(filePath)
except:
print("Error while deleting file : ", filePath)
def DoSimulation(self):
resDict = TestTDRErrorTermsTest.resDict
if not resDict is None:
return
self.buildSimulations()
resDict = {}
print('S-Parameters')
simName = 'Gamma1'
print(simName)
projName = simName + '.si'
spProj = siapp.SignalIntegrityAppHeadless()
spProj.OpenProjectFile(projName)
(sp, name) = spProj.CalculateSParameters()
resDict[simName] = sp
simName = 'Gamma2'
print(simName)
projName = simName + '.si'
spProj = siapp.SignalIntegrityAppHeadless()
spProj.OpenProjectFile(projName)
(sp, name) = spProj.CalculateSParameters()
resDict[simName] = sp
simName = 'Fixture1'
print(simName)
projName = simName + '.si'
spProj = siapp.SignalIntegrityAppHeadless()
spProj.OpenProjectFile(projName)
(sp, name) = spProj.CalculateSParameters()
resDict[simName] = sp
simName = 'Fixture2'
print(simName)
projName = simName + '.si'
spProj = siapp.SignalIntegrityAppHeadless()
spProj.OpenProjectFile(projName)
(sp, name) = spProj.CalculateSParameters()
resDict[simName] = sp
simName = 'Thru'
print(simName)
projName = simName + '.si'
spProj = siapp.SignalIntegrityAppHeadless()
spProj.OpenProjectFile(projName)
(sp, name) = spProj.CalculateSParameters()
resDict[simName] = sp
simName = 'Short'
print(simName)
projName = simName + '.si'
spProj = siapp.SignalIntegrityAppHeadless()
spProj.OpenProjectFile(projName)
(sp, name) = spProj.CalculateSParameters()
resDict[simName + '1'] = sp.PortReorder([0])
resDict[simName + '2'] = sp.PortReorder([1])
simName = 'Open'
print(simName)
projName = simName + '.si'
spProj = siapp.SignalIntegrityAppHeadless()
spProj.OpenProjectFile(projName)
(sp, name) = spProj.CalculateSParameters()
resDict[simName + '1'] = sp.PortReorder([0])
resDict[simName + '2'] = sp.PortReorder([1])
simName = 'Load'
print(simName)
projName = simName + '.si'
spProj = siapp.SignalIntegrityAppHeadless()
spProj.OpenProjectFile(projName)
(sp, name) = spProj.CalculateSParameters()
resDict[simName + '1'] = sp.PortReorder([0])
resDict[simName + '2'] = sp.PortReorder([1])
print('TDR Simulations')
tdrsim = siapp.SignalIntegrityAppHeadless()
simName = projName = 'Short'
tdrsim.OpenProjectFile('TDRSimulation' + simName + '.si')
print(simName)
(sourceNames, outputWaveformLabels, transferMatrices,
outputWaveformList) = tdrsim.Simulate()
resDict.update(
dict(
zip([simName + label for label in outputWaveformLabels],
outputWaveformList)))
tdrsim = siapp.SignalIntegrityAppHeadless()
simName = projName = 'Open'
tdrsim.OpenProjectFile('TDRSimulation' + simName + '.si')
print(simName)
(sourceNames, outputWaveformLabels, transferMatrices,
outputWaveformList) = tdrsim.Simulate()
resDict.update(
dict(
zip([simName + label for label in outputWaveformLabels],
outputWaveformList)))
simName = projName = 'Load'
tdrsim.OpenProjectFile('TDRSimulation' + simName + '.si')
print(simName)
(sourceNames, outputWaveformLabels, transferMatrices,
outputWaveformList) = tdrsim.Simulate()
resDict.update(
dict(
zip([simName + label for label in outputWaveformLabels],
outputWaveformList)))
projName = 'Thru'
simName = projName + '1'
print(simName)
tdrsim.OpenProjectFile('TDRSimulation' + simName + '.si')
(sourceNames, outputWaveformLabels, transferMatrices,
outputWaveformList) = tdrsim.Simulate()
resDict.update(
dict(
zip([simName + label for label in outputWaveformLabels],
outputWaveformList)))
projName = 'Thru'
simName = projName + '2'
print(simName)
tdrsim.OpenProjectFile('TDRSimulation' + simName + '.si')
(sourceNames, outputWaveformLabels, transferMatrices,
outputWaveformList) = tdrsim.Simulate()
resDict.update(
dict(
zip([simName + label for label in outputWaveformLabels],
outputWaveformList)))
print('converting TDR')
self.tdr = si.m.tdr.TDRWaveformToSParameterConverter(Step=False,
fd=self.fd)
cs = si.m.calkit.CalibrationKit(f=self.fd)
resDict['Short1Measurement'] = self.tdr.RawMeasuredSParameters(
resDict['ShortV1'])
resDict['Short2Measurement'] = self.tdr.RawMeasuredSParameters(
resDict['ShortV2'])
resDict['Open1Measurement'] = self.tdr.RawMeasuredSParameters(
resDict['OpenV1'])
resDict['Open2Measurement'] = self.tdr.RawMeasuredSParameters(
resDict['OpenV2'])
resDict['Load1Measurement'] = self.tdr.RawMeasuredSParameters(
resDict['LoadV1'])
resDict['Load2Measurement'] = self.tdr.RawMeasuredSParameters(
resDict['LoadV2'])
resDict['ThruMeasurement'] = self.tdr.RawMeasuredSParameters(
[[resDict['Thru1V1'], resDict['Thru1V2']],
[resDict['Thru2V1'], resDict['Thru2V2']]])
resDict['CalibrationTDR'] = si.m.cal.Calibration(
2, self.fd, [
si.m.cal.ReflectCalibrationMeasurement(
resDict['Short1Measurement'].FrequencyResponse(1, 1),
cs.shortStandard, 0, 'Short1'),
si.m.cal.ReflectCalibrationMeasurement(
resDict['Open1Measurement'].FrequencyResponse(1, 1),
cs.openStandard, 0, 'Open1'),
si.m.cal.ReflectCalibrationMeasurement(
resDict['Load1Measurement'].FrequencyResponse(1, 1),
cs.loadStandard, 0, 'Load1'),
si.m.cal.ReflectCalibrationMeasurement(
resDict['Short2Measurement'].FrequencyResponse(1, 1),
cs.shortStandard, 1, 'Short2'),
si.m.cal.ReflectCalibrationMeasurement(
resDict['Open2Measurement'].FrequencyResponse(1, 1),
cs.openStandard, 1, 'Open2'),
si.m.cal.ReflectCalibrationMeasurement(
resDict['Load2Measurement'].FrequencyResponse(1, 1),
cs.loadStandard, 1, 'Load2'),
si.m.cal.ThruCalibrationMeasurement(
resDict['ThruMeasurement'].FrequencyResponse(
1, 1), resDict['ThruMeasurement'].FrequencyResponse(
2, 1), cs.thruStandard, 0, 1, 'Thru1'),
si.m.cal.ThruCalibrationMeasurement(
resDict['ThruMeasurement'].FrequencyResponse(
2, 2), resDict['ThruMeasurement'].FrequencyResponse(
1, 2), cs.thruStandard, 1, 0, 'Thru2'),
])
TestTDRErrorTermsTest.resDict = resDict
def buildSimulations(self):
# @todo: currently, I set the risetime on the pulse to a tiny number just to make
# sure it actually comes out, but the definition of the pulse source is that at
# time 0, it is at the 50% point, so when I do this, tiny pulses come out half
# the size. so down below, you'll see the amplitude doubled if the size is not
# zero. I should fix this by creating an impulse generator, and letting the
# pulse generator be the way it is.
risetime = 1e-21
WaveformStartTime = -1e-9
WaveformEndTime = 5e-9
print('Building Simulations')
simName = projName = 'Short'
print(simName)
tdrsim = siapp.SignalIntegrityAppHeadless()
tdrsim.OpenProjectFile('TDRSimulation.si')
siapp.Project['CalculationProperties.EndFrequency'] = self.fd.Fe
siapp.Project['CalculationProperties.FrequencyPoints'] = self.fd.N
siapp.Project[
'CalculationProperties'].CalculateOthersFromBaseInformation()
siapp.Project['CalculationProperties.UserSampleRate'] = siapp.Project[
'CalculationProperties.BaseSampleRate']
siapp.Project[
'CalculationProperties'].CalculateOthersFromBaseInformation()
tdrsim.Device('V1')['gain']['Value'] = self.g1
tdrsim.Device('V2')['gain']['Value'] = self.g2
tdrsim.Device('DUT')['file']['Value'] = simName + '.si'
tdrsim.Device('VG1')['a']['Value'] = self.V1 * (1. if risetime == 0.0
else 2.)
tdrsim.Device('VG1')['rt']['Value'] = risetime
tdrsim.Device('VG1')['fs']['Value'] = siapp.Project[
'CalculationProperties.BaseSampleRate']
HorizontalOffset = WaveformStartTime - siapp.Project[
'CalculationProperties.ImpulseResponseLength'] / 2.
tdrsim.Device('VG1')['ho']['Value'] = HorizontalOffset
tdrsim.Device('VG1')['dur'][
'Value'] = WaveformEndTime - HorizontalOffset + siapp.Project[
'CalculationProperties.ImpulseResponseLength'] / 2.
tdrsim.Device('VG2')['a']['Value'] = self.V2 * (1. if risetime == 0.0
else 2.)
tdrsim.Device('VG2')['rt']['Value'] = risetime
tdrsim.Device('VG2')['fs']['Value'] = siapp.Project[
'CalculationProperties.BaseSampleRate']
HorizontalOffset = WaveformStartTime - siapp.Project[
'CalculationProperties.ImpulseResponseLength'] / 2.
tdrsim.Device('VG2')['ho']['Value'] = HorizontalOffset
tdrsim.Device('VG2')['dur'][
'Value'] = WaveformEndTime - HorizontalOffset + siapp.Project[
'CalculationProperties.ImpulseResponseLength'] / 2.
tdrsim.SaveProjectToFile('TDRSimulation' + simName + '.si')
simName = projName = 'Open'
print(simName)
tdrsim = siapp.SignalIntegrityAppHeadless()
tdrsim.OpenProjectFile('TDRSimulation.si')
siapp.Project['CalculationProperties.EndFrequency'] = self.fd.Fe
siapp.Project['CalculationProperties.FrequencyPoints'] = self.fd.N
siapp.Project[
'CalculationProperties'].CalculateOthersFromBaseInformation()
siapp.Project['CalculationProperties.UserSampleRate'] = siapp.Project[
'CalculationProperties.BaseSampleRate']
siapp.Project[
'CalculationProperties'].CalculateOthersFromBaseInformation()
tdrsim.Device('V1')['gain']['Value'] = self.g1
tdrsim.Device('V2')['gain']['Value'] = self.g2
tdrsim.Device('DUT')['file']['Value'] = simName + '.si'
tdrsim.Device('VG1')['a']['Value'] = self.V1 * (1. if risetime == 0.0
else 2.)
tdrsim.Device('VG1')['rt']['Value'] = risetime
tdrsim.Device('VG1')['fs']['Value'] = siapp.Project[
'CalculationProperties.BaseSampleRate']
HorizontalOffset = WaveformStartTime - siapp.Project[
'CalculationProperties.ImpulseResponseLength'] / 2.
tdrsim.Device('VG1')['ho']['Value'] = HorizontalOffset
tdrsim.Device('VG1')['dur'][
'Value'] = WaveformEndTime - HorizontalOffset + siapp.Project[
'CalculationProperties.ImpulseResponseLength'] / 2.
tdrsim.Device('VG2')['a']['Value'] = self.V2 * (1. if risetime == 0.0
else 2.)
tdrsim.Device('VG2')['rt']['Value'] = risetime
tdrsim.Device('VG2')['fs']['Value'] = siapp.Project[
'CalculationProperties.BaseSampleRate']
HorizontalOffset = WaveformStartTime - siapp.Project[
'CalculationProperties.ImpulseResponseLength'] / 2.
tdrsim.Device('VG2')['ho']['Value'] = HorizontalOffset
tdrsim.Device('VG2')['dur'][
'Value'] = WaveformEndTime - HorizontalOffset + siapp.Project[
'CalculationProperties.ImpulseResponseLength'] / 2.
tdrsim.SaveProjectToFile('TDRSimulation' + simName + '.si')
simName = projName = 'Load'
print(simName)
tdrsim = siapp.SignalIntegrityAppHeadless()
tdrsim.OpenProjectFile('TDRSimulation.si')
siapp.Project['CalculationProperties.EndFrequency'] = self.fd.Fe
siapp.Project['CalculationProperties.FrequencyPoints'] = self.fd.N
siapp.Project[
'CalculationProperties'].CalculateOthersFromBaseInformation()
siapp.Project['CalculationProperties.UserSampleRate'] = siapp.Project[
'CalculationProperties.BaseSampleRate']
siapp.Project[
'CalculationProperties'].CalculateOthersFromBaseInformation()
tdrsim.Device('V1')['gain']['Value'] = self.g1
tdrsim.Device('V2')['gain']['Value'] = self.g2
tdrsim.Device('DUT')['file']['Value'] = simName + '.si'
tdrsim.Device('VG1')['a']['Value'] = self.V1 * (1. if risetime == 0.0
else 2.)
tdrsim.Device('VG1')['rt']['Value'] = risetime
tdrsim.Device('VG1')['fs']['Value'] = siapp.Project[
'CalculationProperties.BaseSampleRate']
HorizontalOffset = WaveformStartTime - siapp.Project[
'CalculationProperties.ImpulseResponseLength'] / 2.
tdrsim.Device('VG1')['ho']['Value'] = HorizontalOffset
tdrsim.Device('VG1')['dur'][
'Value'] = WaveformEndTime - HorizontalOffset + siapp.Project[
'CalculationProperties.ImpulseResponseLength'] / 2.
tdrsim.Device('VG2')['a']['Value'] = self.V2 * (1. if risetime == 0.0
else 2.)
tdrsim.Device('VG2')['rt']['Value'] = risetime
tdrsim.Device('VG2')['fs']['Value'] = siapp.Project[
'CalculationProperties.BaseSampleRate']
HorizontalOffset = WaveformStartTime - siapp.Project[
'CalculationProperties.ImpulseResponseLength'] / 2.
tdrsim.Device('VG2')['ho']['Value'] = HorizontalOffset
tdrsim.Device('VG2')['dur'][
'Value'] = WaveformEndTime - HorizontalOffset + siapp.Project[
'CalculationProperties.ImpulseResponseLength'] / 2.
tdrsim.SaveProjectToFile('TDRSimulation' + simName + '.si')
simName = 'Thru'
projName = simName + '1'
print(simName)
tdrsim = siapp.SignalIntegrityAppHeadless()
tdrsim.OpenProjectFile('TDRSimulation.si')
siapp.Project['CalculationProperties.EndFrequency'] = self.fd.Fe
siapp.Project['CalculationProperties.FrequencyPoints'] = self.fd.N
siapp.Project[
'CalculationProperties'].CalculateOthersFromBaseInformation()
siapp.Project['CalculationProperties.UserSampleRate'] = siapp.Project[
'CalculationProperties.BaseSampleRate']
siapp.Project[
'CalculationProperties'].CalculateOthersFromBaseInformation()
tdrsim.Device('V1')['gain']['Value'] = self.g1
tdrsim.Device('V2')['gain']['Value'] = self.g2
tdrsim.Device('DUT')['file']['Value'] = simName + '.si'
tdrsim.Device('VG1')['a']['Value'] = self.V1 * (1. if risetime == 0.0
else 2.)
tdrsim.Device('VG1')['rt']['Value'] = risetime
tdrsim.Device('VG1')['fs']['Value'] = siapp.Project[
'CalculationProperties.BaseSampleRate']
HorizontalOffset = WaveformStartTime - siapp.Project[
'CalculationProperties.ImpulseResponseLength'] / 2.
tdrsim.Device('VG1')['ho']['Value'] = HorizontalOffset
tdrsim.Device('VG1')['dur'][
'Value'] = WaveformEndTime - HorizontalOffset + siapp.Project[
'CalculationProperties.ImpulseResponseLength'] / 2.
tdrsim.Device('VG2')['a']['Value'] = 0.0
tdrsim.Device('VG2')['rt']['Value'] = risetime
tdrsim.Device('VG2')['fs']['Value'] = siapp.Project[
'CalculationProperties.BaseSampleRate']
HorizontalOffset = WaveformStartTime - siapp.Project[
'CalculationProperties.ImpulseResponseLength'] / 2.
tdrsim.Device('VG2')['ho']['Value'] = HorizontalOffset
tdrsim.Device('VG2')['dur'][
'Value'] = WaveformEndTime - HorizontalOffset + siapp.Project[
'CalculationProperties.ImpulseResponseLength'] / 2.
tdrsim.SaveProjectToFile('TDRSimulation' + projName + '.si')
simName = 'Thru'
projName = simName + '2'
print(simName)
tdrsim = siapp.SignalIntegrityAppHeadless()
tdrsim.OpenProjectFile('TDRSimulation.si')
siapp.Project['CalculationProperties.EndFrequency'] = self.fd.Fe
siapp.Project['CalculationProperties.FrequencyPoints'] = self.fd.N
siapp.Project[
'CalculationProperties'].CalculateOthersFromBaseInformation()
siapp.Project['CalculationProperties.UserSampleRate'] = siapp.Project[
'CalculationProperties.BaseSampleRate']
siapp.Project[
'CalculationProperties'].CalculateOthersFromBaseInformation()
tdrsim.Device('V1')['gain']['Value'] = self.g1
tdrsim.Device('V2')['gain']['Value'] = self.g2
tdrsim.Device('DUT')['file']['Value'] = simName + '.si'
tdrsim.Device('VG1')['a']['Value'] = 0.0
tdrsim.Device('VG1')['rt']['Value'] = risetime
tdrsim.Device('VG1')['fs']['Value'] = siapp.Project[
'CalculationProperties.BaseSampleRate']
HorizontalOffset = WaveformStartTime - siapp.Project[
'CalculationProperties.ImpulseResponseLength'] / 2.
tdrsim.Device('VG1')['ho']['Value'] = HorizontalOffset
tdrsim.Device('VG1')['dur'][
'Value'] = WaveformEndTime - HorizontalOffset + siapp.Project[
'CalculationProperties.ImpulseResponseLength'] / 2.
tdrsim.Device('VG2')['a']['Value'] = self.V2 * (1. if risetime == 0.0
else 2.)
tdrsim.Device('VG2')['rt']['Value'] = risetime
tdrsim.Device('VG2')['fs']['Value'] = siapp.Project[
'CalculationProperties.BaseSampleRate']
HorizontalOffset = WaveformStartTime - siapp.Project[
'CalculationProperties.ImpulseResponseLength'] / 2.
tdrsim.Device('VG2')['ho']['Value'] = HorizontalOffset
tdrsim.Device('VG2')['dur'][
'Value'] = WaveformEndTime - HorizontalOffset + siapp.Project[
'CalculationProperties.ImpulseResponseLength'] / 2.
tdrsim.SaveProjectToFile('TDRSimulation' + projName + '.si')
