IPC-TM-650 EN 2022 试验方法1.pdf - 第547页

Substrate Thickness (mm) Sample Relative Permittivity 2 4 6 8 10 20 50 100 1 0 8 6 4 2 0 0 1 2 3 4 5 TE 01 1 Resonant Frequency (GHz)

100%1 / 824
3.90
10 20
Frequency (GHz)
30 40 50
3.85
3.80
3.75
3.70
Relative Permittivity
10 GHz Split-Cylinder Resonator
35 GHz Split-Cylinder Resonator
TE
011
TE
013
TE
021
TE
023
TE
017
TE
025
TE
011
TE
013
TE
015
7x10
-4
6
5
4
3
2
1
0
10 20
Frequency (GHz)
30 40 50
Loss Tangent
35 GHz Split-Cylinder Resonator
Linear Least Squares Fit
10 GHz Split-Cylinder Resonator
TE
011
TE
013
TE
021
TE
023
TE
017
TE
025
TE
011
TE
013
TE
015
Substrate Thickness (mm)
Sample Relative Permittivity
2
4
6
8
10
20
50
100
10
8
6
4
2
0
0 1 2 3 4
5
TE
011
Resonant Frequency (GHz)
Frequency (GHz)
-60
-70
-80
-90
8.6 8.7 8.8 8.9 9.0
Magnitude of S
21
(dB)