<4D6963726F736F667420506F776572506F696E74202D2048465353CCECCFDFC9E8BCC62DD3D0CFDED4AAB7BDB7A82E707074>2.2
2.25GHz
2HFSS
Check it
SS
S S RLC

2)
3Draw>Box>, SUB1CTRL+D
-5-4.5, 0
10, 9 0.32
-5-4.5, 0
10, 9 0
Hfss>Boundaries>Assign>Perfect E
>perf_gnd,
6
Draw>circle> -0.5, 000.16, 0, 0>ok
cut_out
7
Draw>rectangle>-2-1.50.324, 3, 0
>patch
HFSS>Boundaries>Assign>Perfect E
Perf_patch
properties coax
coax_pin
ok
p1,
-0.09,0,0

-0.5+0.16=-0.34 0.16-0.07=0.09 -0.34,0-0.5 -0.09,0,0
11probe)
air


General tab
2.25GHz
20


sweep

15


112, 10VSWR S dB 01
b)


[1] P1mwdBm 0dBm
[2] 40WdBm 10lg40W/1mw)=10lg40000 =10lg4+10lg10+10lg1000=46dBm

2dBi dBd dBidBd dBi dBd dBidBd 2. 15
[3] 16dBd dBi18.15dBi18dBi
[4] 0dBd=2.15dBi
[5] GSM90013dBd15dBi GSM180015dBd17dBi)
3dB dB dB10lg /3 dB
[7] 7/8 GSM900100 3.9dB
2
Check it
13D Modeler>Units>cm>OK
2)
3Draw>Box>, SUB1CTRL+D
-7-4.5, 0
12, 9 0.32
-7-4.5, 0.16
12, 9 0
Hfss>Boundaries>Assign>Perfect E
>perfe_gnd,
6)
Draw>rectangle>
gndslot, 3d modeler>boolean> Subtract blank partground
tool part:slot
perfe_feed, ok
nfinite sphere
HFSS


10
Draw>rectangle
11

setup1
2.28GHz
S


Check it
1)
pec
0 0 -6.8
Draw>cylinder
Edit>duplicate>mirror

(0, -0.5, 0)
(0, 1, 0)
global
0 0 164
splitXY
Draw>sphere
0 0 134
brainfluid
relativeCS1,




0.835GHz
20




HFSS 3

HFSS HFSS …
HFSS ——
HFSS ——
PCB HFSS PCB
Smith …
EDA www.mweda.com/eda/hfss.html


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