def mdm2snp(filename):
db = mdm(filename).read()[0]
name = filename.split('.')[0]
if 's22' in db:
x = snp(name+'.s2p')
x.write(db)
elif 's11' in db:
x = snp(name+'.s1p')
x.write(db)
def mdm2snp(filename):
db = mdm(filename).read()[0]
name = filename.split('.')[0]
if 's22' in db:
x = snp(name + '.s2p')
x.write(db)
elif 's11' in db:
x = snp(name + '.s1p')
x.write(db)
def __init__(self, name='nport1', nodes=('1', '0', '2', '0'), file="", freq=None):
self.name = name
self.nodes = nodes
self.file = file
self.data = touchstone.snp(self.file).read()
x = []
if freq:
for i in xrange(len(nodes)/2):
row = []
for j in xrange(len(nodes)/2):
freqs = self.data['freq']
sij = self.data['s%d%d'%(i+1,j+1)]
xsij = interp1d(freqs, sij)(freq)
row.append( xsij )
x.append(row)
else:
for i in xrange(len(nodes)/2):
row = []
for j in xrange(len(nodes)/2):
row.append( self.data['s%d%d'%(i+1,j+1)][0] )
freq = self.data['freq'][0]
x.append(row)
self._ivcvs = []
n1 = [newnode() for i in xrange(len(nodes)/2)]
for i in xrange(len(nodes)/2):
self.append( Resistor(name=newname('r'), nodes=(nodes[i*2], n1[i]), r=-50) )
n2 = [newnode() for _i in xrange(len(nodes)/2)] + [nodes[1]]
self.append( Resistor(name=newname('r'), nodes=(n1[i], n2[0]), r=100) )
for j in xrange(len(nodes)/2):
self.append( VCVSx(nodes=(n2[j], n2[j+1], n1[j], nodes[-1]), gain=x[i][j], freq=freq) )
self._ivcvs.append( len(self)-1 )
def __init__(self,
name='nport1',
nodes=('1', '0', '2', '0'),
file="",
freq=None):
self.name = name
self.nodes = nodes
self.file = file
self.data = touchstone.snp(self.file).read()
x = []
if freq:
for i in xrange(len(nodes) / 2):
row = []
for j in xrange(len(nodes) / 2):
freqs = self.data['freq']
sij = self.data['s%d%d' % (i + 1, j + 1)]
xsij = interp1d(freqs, sij)(freq)
row.append(xsij)
x.append(row)
else:
for i in xrange(len(nodes) / 2):
row = []
for j in xrange(len(nodes) / 2):
row.append(self.data['s%d%d' % (i + 1, j + 1)][0])
freq = self.data['freq'][0]
x.append(row)
self._ivcvs = []
n1 = [newnode() for i in xrange(len(nodes) / 2)]
for i in xrange(len(nodes) / 2):
self.append(
Resistor(name=newname('r'), nodes=(nodes[i * 2], n1[i]),
r=-50))
n2 = [newnode() for _i in xrange(len(nodes) / 2)] + [nodes[1]]
self.append(
Resistor(name=newname('r'), nodes=(n1[i], n2[0]), r=100))
for j in xrange(len(nodes) / 2):
self.append(
VCVSx(nodes=(n2[j], n2[j + 1], n1[j], nodes[-1]),
gain=x[i][j],
freq=freq))
self._ivcvs.append(len(self) - 1)
