Post on 26-Dec-2019
W. Mertin, MBSA_WS2017/201811.1
Linear und nonlinear Network Analysis
W. Mertin, MBSA_WS2017/201811.2
Principle of Network Analysis
W. Mertin, MBSA_WS2017/201811.3
Reflection Parameters
L
L
ZZZZ
ewaveincidentwavereflected j
+
-=×==G fr
Γmit)log(20 =-= ρρRL
ρρ
EEVSWR
-+
==11
min
max
r
RL
VSWR
0
dB
1
1
0 dB
No reflectionZ = ZL
Full reflectionZL = 0 W/ ZL = W
¥
¥
¥
Reflection Coefficent
Return Loss
Voltage Standing Wave Ratio
Emax
Emîn
E(t)
-
W. Mertin, MBSA_WS2017/201811.4
Transmission Parameters
φjeτwaveincidentwavedtransmitteT ×==
TττIL =-= mit)log(20
Transmission Coefficent
Insertion Loss
Gain tlog20Inc
Trans ==EEG
W. Mertin, MBSA_WS2017/201811.5
Principle of a Network Analyzer
W. Mertin, MBSA_WS2017/201811.6
Principle of a Network Analyzer
http://de.wikipedia.org/wiki/Netzwerkanalysator
W. Mertin, MBSA_WS2017/201811.7
Network Analyzer
W. Mertin, MBSA_WS2017/201811.8
Display Formats
W. Mertin, MBSA_WS2017/201811.9
Smith Chart
L
W. Mertin, MBSA_WS2017/201811.10
Smith Chart II
L
X
R
e.g. 50 WImpedance: Z = R + j X
W. Mertin, MBSA_WS2017/201811.11
S-Parameter of an open Line
W. Mertin, MBSA_WS2017/201811.12
S-Parameter of a Transistor