
1 Setup
DUT
-20 dB
COUPLER
AM DETECTOR
50
n
LOAD
-10 dB
ATTEN
HP 3048A
r."X
T
FRNAL
NOISE
2 Measuring Relative Spur Level
DUT
fO—
v^7
RF CAL
SOURCE
er^
-10 dB
ATTEN
RF SPECTRUM
"20 dB ANALYZER
COUPLER
|—
-10 dBc
3 Measuring Calibration Constant
-20 dB
D^
1
COUPLER
HP 3048A
AM DETECTOR
RF CAL
SOURCE r-
1-10 dB
ATTEN
1
rx
T
F;RNAi
1 NOISE
4 Restore Setup
DUT
-20 dB
COUPLER
son
ATTEN
AM
DETECTOR
j HP 3048A
!
1
LXll-KNA
1
Figure 2-27. Setup Block Diagram for the Single-Sided Spur Calibration Method
2-98 Calibr Process: AM Noise
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