Esempio n. 1
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#!/usr/bin/env python3
import sys
import openems
import numpy as np

mm = 1e-3 # default unit is the meter
em = openems.OpenEMS(sys.argv[1], EndCriteria = 1e-6, fmin = 0e6, fmax = 60e9)
em.fsteps = 801
copper = openems.Metal(em, 'copper')
sub = openems.Dielectric(em, 'substrate', eps_r=3.2)
mask = openems.Dielectric(em, 'mask', eps_r=3.3)
air = openems.Dielectric(em, 'air', eps_r=1.0006)

foil_thickness = 0.035*mm
port_length = 0.05*mm
box_length = 5*mm
box_width = 1.5*mm
ms_width = 0.190*mm
box_top = 1.5*mm

# dimensions Z
substrate_top = 0.102*mm
foil_top = substrate_top + foil_thickness
em.resolution = 50e-6

em.mesh.AddLine('z', foil_top + box_top)
em.mesh.AddLine('z', -0.5*mm)

# substrate
start = np.array([-0.5*box_length, 0.5*box_width, 0])
stop  = np.array([0.5*box_length, -0.5*box_width, substrate_top])
Esempio n. 2
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#!/usr/bin/env python3
import sys
from scipy.constants import pi, c, epsilon_0, mu_0, mil, inch

mm = 0.001
import openems
import openems.lpf
import numpy as np

em = openems.OpenEMS('lpf_6')
em.end_criteria = 1e-6
em.fmin = 1e6
em.fmax = 20e9
em.fsteps = 1601
fc = 6e9
sub = openems.Dielectric(em, 'fr408', eps_r=3.66, tand=0.012, fc=fc)

foil_thickness = 0.035 * mm
substrate_thickness = 6.6 * mil
ms_air_above = 1.0 * mm
z = [0.0, substrate_thickness, substrate_thickness + foil_thickness]
em.mesh.AddLine('z', z[2] + ms_air_above)

from math import sqrt

em.resolution = c / (em.fmax * sqrt(3.0)) / 100.0

lpf = openems.lpf.generate(em,
                           sub=sub,
                           z=z,
                           port_length=0.1 * mm,
Esempio n. 3
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#!/usr/bin/env python3
import sys
import openems
import openems.LPF_DGS_bowtie
import numpy as np

em = openems.OpenEMS('LPF_DGS_bowtie_7', EndCriteria = 1e-5, fmin = 0e6, fmax = 30e9, fsteps = 1601)
em.resolution = [50e-6, 50e-6, 500e-6]

fc = 6e9

foil_thickness = 35e-6
substrate_thickness = 100e-6

z = np.zeros(6)
z[1] = 1.6e-3
z[2] = z[1] + foil_thickness
z[3] = z[2] + substrate_thickness
z[4] = z[3] + foil_thickness
z[5] = z[4] + 1.6e-3

openems.LPF_DGS_bowtie.generate(
    em,
    sub = openems.Dielectric(em, 'polyimide', eps_r=3.2, tand=0.002, fc=fc),
    mask = openems.Dielectric(em, 'soldermask', eps_r=3.3, tand=0.020, fc=fc),
    min_width = 152e-6,
    cutout_width = 1.0e-3,
    inductors = 0.15e-3 + 1.55*np.array([1.7e-3, 1.96e-3, 2e-3]),
    capacitors = 1.45*np.array([0.47e-3, 0.77e-3, 0.81e-3, 0.82e-3]),
    z = z,
    port_length = 75e-6,
Esempio n. 4
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#!/usr/bin/env python3
# Common SMA edge launch to OSHPark 4 layer
import sys
from scipy.constants import mil
import openems
import numpy as np

em = openems.OpenEMS('sma_el',
                     EndCriteria=1e-6,
                     fmin=0,
                     fmax=20e9,
                     fsteps=1001)
em.resolution = 8e-5
copper = openems.Metal(em, 'copper')
copper_shield = openems.Metal(em, 'copper_shield')
sub = openems.Dielectric(em, 'ro4350b', eps_r=3.66, tand=0.0035, fc=em.fmax)
teflon = openems.Dielectric(em, 'teflon', eps_r=2.1, tand=0.0002, fc=em.fmax)

foil_thickness = 35e-6
substrate_thickness = 62 * mil - 7 * mil
port_length = 300e-6
box_length = 10e-3
box_width = 6e-3
box_height = 6e-3
ms_width = 1.0e-3
board_gap = 0.0

# coax
coax_scale = 2.0
pin_diameter = 0.5e-3 * coax_scale
dielectric_diameter = 1.67e-3 * coax_scale
Esempio n. 5
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#!/usr/bin/env python3
import sys
import openems
from openems import wilkinson

em = openems.OpenEMS('wilkinson_3',
                     EndCriteria=1e-4,
                     fmin=0e6,
                     fmax=6e9,
                     fsteps=400)

fc = 1e9
sub = openems.Dielectric(em, 'fr408', eps_r=3.3, tand=0.012, fc=fc)

foil_thickness = 35e-6
substrate_thickness = 180e-6
ms_air_above = 700e-6
z = [0.0, substrate_thickness, substrate_thickness + foil_thickness]
em.mesh.AddLine('z', z[2] + ms_air_above)

em.resolution = 50e-6

wilkinson.generate(em,
                   y1=5e-3,
                   y2=500e-6,
                   r=200e-6,
                   rv=[None, 100],
                   w=[150e-6] * 4,
                   substrate=sub,
                   z=z,
                   port_length=100e-6,
Esempio n. 6
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#!/usr/bin/env python3
import sys
from scipy.constants import pi, c, epsilon_0, mu_0, mil, inch
mm = 0.001
import openems
import openems.miter
import numpy as np

em = openems.OpenEMS('miter_6.6')
em.end_criteria = 1e-6
em.fmin = 0
em.fmax = 40e9
em.fsteps = 1601
fc = 40e9
pec = openems.Metal(em, 'pec')
sub = openems.Dielectric(em, 'ro4350b', eps_r=3.66, tand=0.0035, fc=fc)

foil_thickness = 0.033*mm
substrate_thickness = 6.6*mil
ms_air_above = 1.0*mm
z = [0.0, substrate_thickness, substrate_thickness + foil_thickness]
em.mesh.AddLine('z', z[2] + ms_air_above)

em.resolution = 50e-6

openems.miter.generate(
    em,
    pec,
    sub,
    miter = 0.35 * mm,
    z = z,
Esempio n. 7
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#!/usr/bin/env python
import sys
from scipy.constants import pi, c, epsilon_0, mu_0, mil, inch
mm = 0.001
import openems
import numpy as np

em = openems.OpenEMS('bend', fmin=1e6, fmax=110e9)
em.end_criteria = 1e-6
em.fsteps = 1601
em.boundaries = "'PEC' 'PEC' 'PEC' 'PEC' 'PEC' 'PEC'"
fc = em.fmax
#em.add_lossy_metal('copper', frequency=fc)
em.add_metal('copper')
em.add_metal('pec')
em.add_dielectric('alumina', eps_r=9.8)
em.add_dielectric('is680', eps_r=3.0).set_tanD(0.0035, freq=fc)

f_max = em.fmax
foil_thickness = 0.035 * mm
substrate_thickness = 20 * mil / 4
ms_air_above = 2.0 * mm / 4
port_length = 0.3 * mm / 4
box_length = 4 * mm / 4
box_width = 4 * mm / 4
ms_width = 1.1 * mm / 4
notch = 0.9 * mm / 4
# dimensions Z
substrate_bottom = 0.0
substrate_top = substrate_bottom + substrate_thickness
foil_top = substrate_top + foil_thickness
Esempio n. 8
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#!/usr/bin/env python
import sys
from scipy.constants import pi, c, epsilon_0, mu_0, mil, inch

mm = 0.001
import openems
import openems.idbpf
import numpy as np

em = openems.OpenEMS('idbpf_b3', fmin=1e6, fmax=16e9)
em.end_criteria = 1e-10
em.fsteps = 1601
fc = 7.12e9
eps_r = 3.66
#em.add_lossy_metal('copper', frequency=fc, conductivity=56e6/3, ur=1.0)
openems.Metal(em, 'copper')
openems.Metal(em, 'pec')
#em.via_offset_x = 5*mil
#em.via_offset_y = 5*mil
openems.Dielectric(em, 'sub', eps_r=eps_r).set_tanD(0.0035, freq=fc)

foil_thickness = 0.035 * mm
substrate_thickness = 22 * mil
ms_air_above = 2.0 * mm
via = 0.3 * mm
via_pad = 0.6 * mm

# dimensions Z
substrate_bottom = 0.0
substrate_top = substrate_bottom + substrate_thickness
foil_top = substrate_top + foil_thickness
Esempio n. 9
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#!/usr/bin/env python3
import sys
mm = 0.001  # mm in meters
mil = 25.4e-6  # mil in meters
import openems
import openems.geometries
import numpy as np

em = openems.OpenEMS('via_1_3_oshpark',
                     EndCriteria=1e-4,
                     fmin=0e6,
                     fmax=40e9,
                     boundaries=['PEC', 'PEC', 'PEC', 'PEC', 'PEC', 'PEC'],
                     fsteps=801)
copper = openems.Metal(em, 'copper')
pcopper = openems.Metal(em, 'pcopper')
sub1 = openems.Dielectric(em, 'substrate', eps_r=3.2)
sub2 = openems.Dielectric(em, 'substrate', eps_r=4)

sub1t = 0.166 * mm
sub2t = 47 * mil

ifoil = 0.0125 * mm
ofoil = 0.035 * mm
port_length = 0.1 * mm
box_length = 5 * mm
box_width = 2 * mm
sl_width = 0.24 * mm
ms_width = 0.35 * mm
airspace = 1 * mm
Esempio n. 10
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#!/usr/bin/env python3
import sys
import openems
from openems import wilkinson

em = openems.OpenEMS('wilkinson_1',
                     EndCriteria=1e-4,
                     fmin=0e6,
                     fmax=5e9,
                     fsteps=1601)

fc = 1e9
sub = openems.Dielectric(em, 'ro4350b', eps_r=3.66, tand=0.012, fc=fc)

foil_thickness = 35e-6
substrate_thickness = 180e-6
ms_air_above = 700e-6
z = [0.0, substrate_thickness, substrate_thickness + foil_thickness]
em.mesh.AddLine('z', z[2] + ms_air_above)

em.resolution = 50e-6

wilkinson.generate(em,
                   y1=5.5e-3,
                   y2=500e-6,
                   r=200e-6,
                   rv=[None, None, None, 100],
                   w=[175e-6] * 4,
                   substrate=sub,
                   z=z,
                   port_length=100e-6,
Esempio n. 11
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#!/usr/bin/env python3
import sys
mm = 0.001
import openems
import openems.geometries
import numpy as np

em = openems.OpenEMS('vert_connector_ms_oshpark', EndCriteria = 1e-5, fmin = 0e6, fmax = 50e9,
                     boundaries = ['PEC', 'PEC', 'PEC', 'PEC', 'PML_12', 'PEC'])
em.fsteps = 1601
copper = openems.Metal(em, 'copper')
pcopper = openems.Metal(em, 'pcopper')
sub1 = openems.Dielectric(em, 'substrate', eps_r=3.2)
sub2 = openems.Dielectric(em, 'substrate', eps_r=4.0)

sub1t = 0.19*mm
sub2t = 1.0*mm

ifoil = 0.0125*mm
ofoil = 0.035*mm
port_length = 0.1*mm
box_length = 2*mm
box_width = 2*mm
ms_width = 0.42*mm
airspace = 1*mm
via_pad = 0.5*mm
via_clearance = 0.275*mm

bt = sub1t + ofoil
bb = -1*(ofoil+sub2t+sub1t)
Esempio n. 12
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#!/usr/bin/env python3
import sys
from scipy.constants import pi, c, epsilon_0, mu_0, mil, inch
mm = 0.001
import openems
import openems.idbpf_tapped
import numpy as np

idx = int(sys.argv[1])
name = 'idbpf_{}'.format(idx)
fmax = [0, 0, 0, 8e9, 8e9, 10e9, 12e9][idx]
em = openems.OpenEMS(name, fmin=0, fmax=fmax, fsteps=400, EndCriteria=1e-5)
fc = [0, 0, 0, 3e9, 4e9, 5e9, 6e9][idx]
pec = openems.Metal(em, 'pec')
sub = openems.Dielectric(em, 'sub', eps_r=3.3, tand=0.012, fc=fc)

foil_thickness = 0.04 * mm
substrate_thickness = 0.18 * mm
ms_air_above = 1.0 * mm
via = 0.4 * mm
via_pad = 0.8 * mm

# dimensions Z
substrate_bottom = 0.0
substrate_top = substrate_bottom + substrate_thickness
foil_top = substrate_top + foil_thickness
em.mesh.AddLine('z', foil_top + ms_air_above)

em.resolution = [0.1 * mm, 0.04 * mm, 0.5 * mm]

rl = [0, 0, 0, 14.4 * mm, 10.8 * mm, 8.5 * mm, 7.1 * mm][idx]
Esempio n. 13
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#!/usr/bin/env python3
import sys
from scipy.constants import pi, c, epsilon_0, mu_0, mil, inch
mm = 0.001
import openems
import openems.lpf
import numpy as np

em = openems.OpenEMS('lpf_13')
em.end_criteria = 1e-6
em.fmin = 1e6
em.fmax = 30e9
em.fsteps = 1601
fc = 13e9
sub = openems.Dielectric(em, 'fr408', eps_r=3.66, tand=0.012, fc=fc)

foil_thickness = 0.035 * mm
substrate_thickness = 6.6 * mil
ms_air_above = 1.0 * mm
z = [0.0, substrate_thickness, substrate_thickness + foil_thickness]
em.mesh.AddLine('z', z[2] + ms_air_above)

em.resolution = 50e-6
wide = 1.1 * mm
narrow = 0.11 * mm

lpf = openems.lpf.generate(em,
                           sub=sub,
                           z=z,
                           port_length=0.1 * mm,
                           ms_width=0.36 * mm,
Esempio n. 14
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#!/usr/bin/env python3
import sys
from scipy.constants import pi, c, epsilon_0, mu_0, mil
mm = 0.001
import openems
import numpy as np

em = openems.OpenEMS('line', EndCriteria = 1e-6)
em.fmin = 1e6
em.fmax = 40e9
em.fsteps = 1601
fc = 40e9
pec = openems.Metal(em, 'pec')
sub = openems.Dielectric(em, 'fr4', eps_r=3.9, tand=0.0035, fc=fc)
foil_thickness = 0.6*mil
substrate_thickness = 0.2*mm
ms_air_above = 0.36*mm
port_length = 0.1*mm
box_length = 10*mm
box_width = 1*mm
ms_width = 0.2*mm
# dimensions Z
substrate_bottom = 0.0
substrate_top = substrate_bottom + substrate_thickness
foil_top = substrate_top + foil_thickness

from math import sqrt
em.resolution = c/(em.fmax*sqrt(3.0))/100.0

# substrate
start = np.array([0.5*box_length, 0.5*box_width, substrate_bottom])