class MediaTestCase(unittest.TestCase):
"""
"""
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_write_csv(self):
fname = os.path.join(self.files_dir, "out.csv")
self.a_media.write_csv(fname)
os.remove(fname)
def test_from_csv(self):
fname = os.path.join(self.files_dir, "out.csv")
self.a_media.write_csv(fname)
a_media = DistributedCircuit.from_csv(fname)
self.assertEqual(a_media, self.a_media)
os.remove(fname)
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 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_noise(self):
a = rf.Network(os.path.join(self.test_dir,'ntwk_noise.s2p'))
nf = 10**(0.05)
self.assertTrue(a.noisy)
self.assertTrue(abs(a.nfmin[0] - nf) < 1.e-6, 'noise figure does not match original spec')
self.assertTrue(abs(a.z_opt[0] - 50.) < 1.e-6, 'optimal resistance does not match original spec')
self.assertTrue(abs(a.rn[0] - 0.1159*50.) < 1.e-6, 'equivalent resistance does not match original spec')
self.assertTrue(npy.all(abs(a.g_opt) < 1.e-6), 'calculated optimal reflection coefficient does not match original coefficients')
b = rf.Network(f=[1, 2],
s=[[[0, 1], [1, 0]], [[0, 1], [1, 0]]],
z0=50).interpolate(a.frequency)
with self.assertRaises(ValueError) as context:
b.n
with self.assertRaises(ValueError) as context:
b.f_noise
self.assertEqual(str(context.exception), 'network does not have noise')
c = a ** b
self.assertTrue(a.noisy)
self.assertTrue(abs(c.nfmin[0] - nf) < 1.e-6, 'noise figure does not match original spec')
self.assertTrue(abs(c.z_opt[0] - 50.) < 1.e-6, 'optimal resistance does not match original spec')
self.assertTrue(abs(c.rn[0] - 0.1159*50.) < 1.e-6, 'equivalent resistance does not match original spec')
d = b ** a
self.assertTrue(d.noisy)
self.assertTrue(abs(d.nfmin[0] - nf) < 1.e-6, 'noise figure does not match original spec')
self.assertTrue(abs(d.z_opt[0] - 50.) < 1.e-6, 'optimal resistance does not match original spec')
self.assertTrue(abs(d.rn[0] - 0.1159*50.) < 1.e-6, 'equivalent resistance does not match original spec')
e = a ** a
self.assertTrue(abs(e.nfmin[0] - (nf + (nf-1)/(10**2))) < 1.e-6, 'noise figure does not match Friis formula')
self.assertTrue(a.noisy)
self.assertTrue(abs(a.nfmin[0] - nf) < 1.e-6, 'noise figure was altered')
self.assertTrue(abs(a.z_opt[0] - 50.) < 1.e-6, 'optimal resistance was altered')
self.assertTrue(abs(a.rn[0] - 0.1159*50.) < 1.e-6, 'equivalent resistance was altered')
tem = DistributedCircuit(z0=50)
inductor = tem.inductor(1e-9).interpolate(a.frequency)
f = inductor ** a
expected_zopt = 50 - 2j*npy.pi*1e+9*1e-9
self.assertTrue(abs(f.z_opt[0] - expected_zopt) < 1.e-6, 'optimal resistance was not 50 ohms - inductor')
return
class MediaTestCase(unittest.TestCase):
"""
"""
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_write_csv(self):
fname = os.path.join(self.files_dir,\
'out.csv')
self.a_media.write_csv(fname)
os.remove(fname)
def test_from_csv(self):
fname = os.path.join(self.files_dir,\
'out.csv')
self.a_media.write_csv(fname)
a_media = DistributedCircuit.from_csv(fname)
self.assertEqual(a_media, self.a_media)
os.remove(fname)
def test_from_csv(self):
fname = os.path.join(self.files_dir,\
'out.csv')
self.a_media.write_csv(fname)
a_media = DistributedCircuit.from_csv(fname)
self.assertEqual(a_media, self.a_media)
os.remove(fname)
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 setUp(self):
global NPTS
self.n_ports = 2
self.wg = WG
wg = self.wg
r = npy.random.uniform(10, 100, NPTS)
l = 1e-9 * npy.random.uniform(100, 200, NPTS)
g = npy.zeros(NPTS)
c = 1e-12 * npy.random.uniform(100, 200, NPTS)
rlgc = DistributedCircuit(frequency=wg.frequency,
z0=None,
R=r,
L=l,
G=g,
C=c)
self.rlgc = rlgc
self.X = wg.random(n_ports=2, name='X')
self.Y = wg.random(n_ports=2, name='Y')
self.gamma_f = wg.random(n_ports=1, name='gamma_f')
self.gamma_r = wg.random(n_ports=1, name='gamma_r')
actuals = [
rlgc.thru(),
rlgc.short(nports=2),
rlgc.line(10, 'um'),
rlgc.line(100, 'um'),
rlgc.line(500, 'um'),
]
self.actuals = actuals
measured = [self.measure(k) for k in actuals]
self.measured = measured
self.cal = NISTMultilineTRL(measured=measured,
Grefls=[-1],
l=[0, 10e-6, 100e-6, 500e-6],
switch_terms=(self.gamma_f, self.gamma_r),
ref_plane=50e-6,
c0=c,
z0_ref=50,
gamma_root_choice='real')
def setUp(self):
self.frequency = rf.Frequency(75, 110, 101, 'ghz')
self.media = DistributedCircuit(\
frequency=self.frequency,
L=1,C=1,R=0,G=0
)
c2 = 0
d2 = a_abcd[:, 1, 0] / (a_abcd[:, 1, 0] + b_abcd[:, 1, 0])
ee = (a1 * np.conj(a1) * an[:, 0, 0] + b1 * np.conj(b1) * bn[:, 1, 1] +
a2 * np.conj(a2) * bn[:, 1, 1] + b2 * np.conj(b2) * bn[:, 1, 1] +
a1 * np.conj(b1) * an[:, 0, 1] + b1 * np.conj(a1) * an[:, 1, 0] +
a2 * np.conj(b2) * bn[:, 0, 1] + b2 * np.conj(a2) * bn[:, 1, 0])
ii = (c1 * np.conj(c1) * an[:, 0, 0] + d1 * np.conj(d1) * an[:, 1, 1] +
c2 * np.conj(c2) * bn[:, 0, 0] + d2 * np.conj(d2) * bn[:, 1, 1] +
c1 * np.conj(d1) * an[:, 0, 1] + d1 * np.conj(c1) * an[:, 1, 0] +
c2 * np.conj(d2) * bn[:, 0, 1] + d2 * np.conj(c2) * bn[:, 1, 0])
ei = (a1 * np.conj(c1) * an[:, 0, 0] + b1 * np.conj(d1) * an[:, 1, 1] +
a2 * np.conj(c2) * bn[:, 0, 0] + b2 * np.conj(d2) * bn[:, 1, 1] +
a1 * np.conj(d1) * an[:, 0, 1] + b1 * np.conj(c1) * an[:, 1, 0] +
a2 * np.conj(d2) * bn[:, 0, 1] + b2 * np.conj(c2) * bn[:, 1, 0])
ie = np.conj(ei)
ret.noise = np.moveaxis(np.array([[ee, ei], [ie, ii]]), 2, 0)
ret.noise_freq = af
return ret
f = freq.Frequency(0.4, 2, 1001)
tem = DistributedCircuit(f, z0=50)
bjt = net.Network(
'BFU520_Spar_NF_400MHz-2GHz/BFU520_05V0_005mA_NF_SP.s2p').interpolate(f)
inductor = tem.shunt_inductor(1e-9)
print(series(bjt, inductor).n)
def test_from_csv(self):
fname = os.path.join(self.files_dir, "out.csv")
self.a_media.write_csv(fname)
a_media = DistributedCircuit.from_csv(fname)
self.assertEqual(a_media, self.a_media)
os.remove(fname)