IPC-TM-650 EN 2022 试验方法1.pdf - 第518页

Phase Constant (1/cm) 0.05 0.5 1 2 20 10 5 50 1 2 5 1 0 20 50 Frequency (GHz) Measured Calculated Impedance (Ω) -80 -60 -40 -20 0 20 40 60 80 100 0.001 0.01 0 .1 1 10 50 Frequency (GHz) Real Zo Imag Zo Dielectric Constan…

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0V, 0S
Zero Padded
Attenuation (dB/cm)
0.05
0.1
0.2
0.5
1
2
5
1 2 5 10 20 50
Frequency (GHz)
Measured
Calculated
Phase Constant (1/cm)
0.05
0.5
1
2
20
10
5
50
1 2 5 10 20 50
Frequency (GHz)
Measured
Calculated
Impedance (Ω)
-80
-60
-40
-20
0
20
40
60
80
100
0.001 0.01 0.1 1 10 50
Frequency (GHz)
Real Zo
Imag Zo
Dielectric Constant
Dielectic Loss tan
3.2
3.4
0.005
0
0.010
0.015
0.020
0.025
0.030
3.6
3.8
2 5
BT
BT
Nelco
Nelco
Nelco
NelcoSI
BT, Nelco 4000–13SI, 6 Layers, 3.75/3.55/3.7
10 20 50
Frequency (GHz)
tan