def test_inductor(self):
'''
'''
fname = os.path.join(self.files_dir,\
'inductor,p1nH.s2p')
qucs_ntwk = Network(fname)
self.dummy_media.frequency = qucs_ntwk.frequency
skrf_ntwk = self.dummy_media.inductor(.1e-9)
self.assertEqual(qucs_ntwk, skrf_ntwk)
def test_resistor(self):
'''
'''
fname = os.path.join(self.files_dir,\
'resistor,1ohm.s2p')
qucs_ntwk = Network(fname)
self.dummy_media.frequency = qucs_ntwk.frequency
skrf_ntwk = self.dummy_media.resistor(1)
self.assertEqual(qucs_ntwk, skrf_ntwk)
def test_capacitor(self):
'''
'''
fname = os.path.join(self.files_dir,\
'capacitor,p01pF.s2p')
qucs_ntwk = Network(fname)
self.dummy_media.frequency = qucs_ntwk.frequency
skrf_ntwk = self.dummy_media.capacitor(.01e-12)
self.assertEqual(qucs_ntwk, skrf_ntwk)
def test_line(self):
'''
'''
fname = os.path.join(self.files_dir,\
'rectangularWaveguideWR10,200mil.s2p')
qucs_ntwk = Network(fname)
wg = RectangularWaveguide(frequency=qucs_ntwk.frequency, a=100 * mil)
skrf_ntwk = wg.thru(Z0=50)**wg.line(200 * mil, 'm')**wg.thru(Z0=50)
self.assertEqual(qucs_ntwk, skrf_ntwk)
def test_impedance_mismatch(self):
'''
'''
fname = os.path.join(self.files_dir,\
'impedanceMismatch,50to25.s2p')
qucs_ntwk = Network(fname)
self.dummy_media.frequency = qucs_ntwk.frequency
skrf_ntwk = self.dummy_media.thru(z0=50)**\
self.dummy_media.thru(z0=25)
self.assertEqual(qucs_ntwk, skrf_ntwk)
def setUp(self):
"""
"""
self.files_dir = os.path.join(
os.path.dirname(os.path.abspath(__file__)), 'qucs_prj')
fname = os.path.join(self.files_dir,\
'distributedCircuit,line1mm.s2p')
qucs_ntwk = Network(fname)
self.a_media = DistributedCircuit(frequency=qucs_ntwk.frequency,
R=1e5,
G=1,
L=1e-6,
C=8e-12)
def test_line(self):
"""
"""
fname = os.path.join(self.files_dir,\
'distributedCircuit,line1mm.s2p')
qucs_ntwk = Network(fname)
a_media = DistributedCircuit(frequency=qucs_ntwk.frequency,
R=1e5,
G=1,
L=1e-6,
C=8e-12)
skrf_ntwk = a_media.thru(z0=50)**a_media.line(1e-3,'m')\
**a_media.thru(z0=50)
self.assertEqual(qucs_ntwk, skrf_ntwk)
def test_conductor_loss(self):
'''
This only compares the magnitude of the generated line, because
the loss approximation doesnt account for reactance of field on
sidewalls.
'''
ntwk = Network(os.path.join(self.pwd, 'wr1p5_1in_swg_Al_0rough.s2p'))
wg = RectangularWaveguide(
frequency=ntwk.frequency,
a=15 * mil,
z0=50,
rho=1 / (3.8e7),
)
self.assertTrue(
max(abs(wg.line(1, 'in').s_mag[:, 1, 0] -
ntwk.s_mag[:, 1, 0])) < 1e-3)