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Microwave Devices Team
1
2006. 10. 13Dong-young Kim
Microwave Devices Team
IT융합·부품연구소
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Microwave Devices Team
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–
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Microwave Devices Team
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•
•
•
•
•
WPAN/WLAN Convergence
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Microwave Devices Team
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Microwave Devices Team
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▣
- Easy and immediate construction
of temporal broadband network
such as in exhibition-site for… Advertisement information distribution
or Contents downloading service
▣
▣
Tx & Rx Transmitter & Receiver
Rx
Tx
SmallHDTV
Camera
To OutsideBroadcast
Van
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Microwave Devices Team
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▣
Ultra high speed download system
▣
▣
mm-Wave PAN for on-demand transmission
or/and re-broadcasting of video and data signal for ad-hoc terminals
DVDDVD
Videosignals
Videosignals
System
Conceptual Image
60GHz
mmWave TxTV with mmWave
Rx
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Microwave Devices Team
7
PD Pre. Amp Drive Amp
Power Amp
LNA
Up Link
Modulator Power Amp
Down Link
1
2
Switch
Rx Filter
Tx Filter
PD
2
Power Amp
Opt. Osc. Antenna
60 GHz
/AP APMAC
AP APIF
APRF
WTWTRF
WTIF
WT WTMAC
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Microwave Devices Team
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Microwave Devices Team
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Microwave Devices Team
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CaSiO3 , (Na,Mg)SiO3 , SiO2 , CaB2O4 ]
Typical Fired Physical Properties Typical Fired Electrical Properties Thermal Coefficient of
Expansion (25 - 300 C)
Tape Shrinkage
X,Y
Z (unlaminated to fired)
Fired Density
Flexural Strength (3
point bend)
Thermal Conductivity
(With Thermal Vias)
8 ppm/ °C
15.3 ± 0.2 %
24 ± 0.2 %
2.45 g/cm3
>160 MPa
2 W/mK
>50 W/mK
Dielectric Constant (1-100
GHz)
Dissipation Factor (1-100
GHz)
Insertion Loss (10 GHz)
Bulk Resistivity
5.9 ± 0.20
<0.2 %
<0.18 dB/in
>10
12
Ω /cm
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Microwave Devices Team
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Microwave Devices Team
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기판두께 Line 길이 S11[dB] S21[dB] S12[dB] S22[dB]
2mm -31.1 -0.16 -0.18 -29.71층(100μm)
4mm -22.8 -0.41 -0.42 -24.3
-50
-40
-30
-20
-10
0
7065605550-4
-3
-2
-1
0
2mm measured4mm measured2mm simmulated4mm simmulated
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Microwave Devices Team
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Microwave Devices Team
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-40
-30
-20
-10
757065605550
Frequency (GHz)
Simulated S11, S22Simulated S21, S12Measured S11, S22Measured S21, S12
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Microwave Devices Team
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Mi D i T
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Microwave Devices Team
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-60
-50
-40
-30
-20
-10
0
7065605550
-5
-4
-3
-2
-1
0
2mm mesaured4mm mesaured
2mm simulated
4mm simulated
Mi D i T
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Microwave Devices Team
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Microwave Devices Team
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Microwave Devices Team
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-50
-40
-30
-20
-10
0
7065605550-4
-3
-2
-1
0
3mm5mm
Microwave Devices Team
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Microwave Devices Team
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Microwave Devices Team
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Microwave Devices Team
20
-35
-30
-25
-20
-15
-10
-5
0
7065605550
single-wiredouble-wire
-0.30
-0.25
-0.20
-0.15
-0.10
-0.05
0.00
6462605856
-40
-30
-20
-10
0
7065605550
single-ribbon
double-ribbon
-0.20
-0.15
-0.10
-0.05
0.00
0.05
6462605856
Ribbon, size=2x0.5mil2
Wire, dia.=1mil (25 )
Wire or ribbon &Single or double
D=200
h=100
Microwave Devices Team
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Microwave Devices Team
21
-20
-15
-10
-5
0
6462605856545250
double-wiresingle-ribbon
-0.5
-0.4
-0.3
-0.2
-0.1
0.0
6462605856
-30
-25
-20
-15
-10
-5
0
7065605550
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0.0
Microwave Devices Team
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Microwave Devices Team
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Wire or ribbon &Single or double
D=200
h=200
Wire or ribbon &Single or double
D=200
h=100
•
•
•
•
•
•
•
•
Microwave Devices Team
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Microwave Devices Team
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Gold single ribbon
Gap
distance
h=100
-1
-0.5
0
0.5
1
0 100 200 300 400 500
Gap Distance [ ]
S 2 1 o r
S 1 2 [ d B ]
-15
-10
-5
0
5
10
15
S 1 1 o r
S 2 2 [ d B ]
S21 S12
S11 S22
CPWdielectrics=100
100
Photograph of 100 gap
Microwave Devices Team
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Microwave Devices Team
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- Solder ball loss
0.7dB @ 60GHz
• IBM(2005)
solder ball
• ETRI(2006)
- Ribbon wire loss
0.11dB @ 60 GHz
single ribbon
2001.5mm 1.5mm
-0.8
-0.6
-0.4
-0.2
0.0
0.2
50 55 60 65 70
Frequency [GHz]
I n s e r t i o n l
o s s [ d B
]
single ribbon
2001.5mm 1.5mm
3mm
through line only
with 200 interconnect
Microwave Devices Team
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Microwave Devices Team
25
Gap Distanceh=100
G=~80
W=~95
D<100
Ribbon wedge
LNALNA
Chip interconnection SolutionChip interconnection Solution•• CPW lineCPW line
•• Cavity structure,Cavity structure,
•• Ribbon Wedge bonding techniqueRibbon Wedge bonding technique
Silver pasteSilver paste
GroundGround
Via & MetalVia & Metal
viavia--toto--viavia
250250
gapgap
Chip set SolutionChip set Solution•• 0.120.12 pHEMT LNApHEMT LNA
•• ViaVia--hole groundhole ground
Substrate SolutionSubstrate Solution•• Ferro A6Ferro A6--S LTCCS LTCC
•• Internal silver conductorInternal silver conductor
•• External gold conductorExternal gold conductor
⎫⎬
⎭
Microwave Devices Team
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c o a e e ces ea
26
•
•
•
•
•
-50
-40
-30
-20
-10
0
10
20
30
50 55 60 65 70
Frequency [GHz]
S 2 1 [ d B ]
bare chip
LTCC module
-30
-25
-20
-15
-10
-5
0
50 55 60 65 70
Frequency [GHz]
S 1 1 o r S 2 2 [ d B ]
bare chip S11
bare chip S22LTCC module S11
LTCC module S22
13.1mm
1 0 . 2 m m
Microwave Devices Team
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