field-to-trace-coupling models compared · 2014. 10. 19. · model coupled lines modified taylor...
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Field-to-trace-coupling models compared
Sjoerd Op ‘t Land Mohamed Ramdani
Richard Perdriau
Tvrtko Mandić Adrijan Barić Bart Nauwelaers
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108 109
�1080
�720
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0
S 21
phas
e(d
egre
es)
MeasurementCoupled LinesModified Taylor
108 109
Frequency (Hz)
�80�70�60�50�40�30�20
S 21
mag
nitu
de(d
B) ?
=
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K =1
`
`Z
0
line · incident⇤ dz
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E
H k
E
H k
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‒ TEM Cell‒ trans. line
1 2
4
‒ coupled trans. line 3
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‒ TEM Cell‒ trans. line
1 2
4
‒ coupled trans. line 3
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‒ TEM Cell‒ trans. line
1 2
4
‒ coupled trans. line 3
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‒ TEM Cell‒ trans. line
1 2
4
‒ coupled trans. line 3
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‒ TEM Cell‒ trans. line
1 2
4
‒ coupled trans. line 3
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‒ TEM Cell‒ trans. line
1 2
4
‒ coupled trans. line 3
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‒ TEM Cell‒ trans. line
1 2
4
‒ coupled trans. line 3
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‒ TEM Cell‒ trans. line
1 2
4
‒ coupled trans. line 3
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‒ TEM Cell‒ trans. line
1 2
4
‒ coupled trans. line 3
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50Ω
50Ω
50Ω
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K =1
`
`Z
0
line · incident⇤ dz
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0.5 1 1.5 2−80
−60
−40
−20
0
|S1
1| [
dB
]
0.5 1 1.5 2−2
−1
0
|S2
1| [
dB
]
Frequency [GHz]
max. operatingfrequency
fR011
fR101
fR012
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3
EUT
5
TEM Cells
TEM
Cells
20603 Earl St. , Torrance, CA 90503 Ҙ Phone: (310) 303-3300 x Fax (310) 371-6268
E-mail: [email protected] x www.fischercc.com Fischer Custom Communications, Inc.
�2009 Fischer Custom Communications, Inc.
All rights reserved x Printed in USA
0907DS-TEM Cell
Fischer Custom Communications, Inc.
offers a family of Transverse
Electromagnetic (TEM) cells that can be
used for both emissions and immunity
testing.
The patented septum design offers broad
frequency response, excellent field
uniformity, low VSWR and low insertion
loss. Models FCC-TEM-JM1 and FCC-TEM-JM2
are ideal for radiated emission testing of
semiconductor devices according to SAE
1752/3
The JM series TEM Cell can be used for
immunity testing and require less than 3.7
milli-watts input power to achieve a 10 volt
per meter electric field and 37 watts to
achieve 1000 volt per meter electric field.
Specifications FCC-TEM-JM1
FCC-TEM-JM2 FCC-TEM-JM3
FCC-TEM-JM4
Frequency range
DC – 1200MHz DC – 1600MHz
DC – 2000MHz DC – 2500MHz
Maximum EUT
dimensions (cm) 6 x 6 x 1
6 x 6 x 1
6 x 6 x 1
6 x 6 x 1
Maximum VSWR
1.2:1
1.2:1
1.25:1
1.25:1
RF Connector
Type-N
Type-N
Type-N
Type-N
Maximum Input Power 500 watts
500 watts 500 watts
500 watts
EUT port
dimensions (cm) 9.1 x 9.1
9.1 x 9.1
9.1 x 9.1
9.1 x 9.1
Dimensions (cm)
15.2 x 9.9 x 33.8 15.2 x 9.9 x 33.8
15.2 x 9.9 x 33.8 15.2 x 9.9 x 33.8
![Page 40: Field-to-trace-coupling models compared · 2014. 10. 19. · Model Coupled Lines Modified Taylor Illumination TEM cell geometry E avg Traces multiple µstrip, CPW single µstrip](https://reader036.vdocuments.us/reader036/viewer/2022071610/6149ac7c12c9616cbc68e9f3/html5/thumbnails/40.jpg)
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? =
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108 109
�1080
�720
�360�180�90
0S 2
1ph
ase
(deg
rees
)
MeasurementCoupled LinesModified Taylor
108 109
Frequency (Hz)
�80�70�60�50�40�30�20
S 21
mag
nitu
de(d
B)
50Ω
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108 109
�720
�360
�180�90
090
S 21
phas
e(d
egre
es)
MeasurementCoupled LinesModified Taylor
108 109
Frequency (Hz)
�80�70�60�50�40�30�20
S 21
mag
nitu
de(d
B)
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Model Coupled Lines Modified Taylor
Illumination TEM cell geometry Eavg
Traces multiple µstrip, CPW single µstrip
Discontinuities as lumped elements impossible*
Tools MoL + ADS/Qucs Python/MATLAB
Modelling schematic automated
Accuracy +1.4 dB (1.0 dev) +1.1 dB (0.9 dev)