Fluke 96000 Series Service Manual page 75

Ω
VSWR Test – 50 Leveling Head (Optional 96040A and 96270A)
Equipment required for this test:
• Signal Source, 50 Ω output
•
Spectrum Analyzer
• 50 Ω directional bridge
• Precision 50 Ω Open/Short termination
• 50 Ω Leveling Head (supplied with UUT)
To verify the UUT's Leveling Head output VSWR using a directional bridge and a
Spectrum Analyzer:
1. Connect the REF FREQUENCY OUTPUT (rear panel) from the UUT to the
Spectrum Analyzer and signal generator external reference inputs using a
BNC tee and BNC male – male cable assemblies. Set the Spectrum Analyzer
and signal generator for external frequency reference. See Figure 3-9.
Instrument (UUT)
Figure 3-9. Equipment Connections - 50 Ω Leveling Head VSWR Test (96040A and 96270A)
Spectrum Analyzer
Head
50 Leveling
Open
Short
Signal Source
9610A/AF REFERENCE SOURCE
96xx
HEAD INTERFACE
RF OUTPUT
SINE
MOD
CONTROL
SWEEP
UNITS
10V
PK
MAX
SETUP
RF
COMMON
CONNECT
96xx HEAD
ONLY
Connect the Signal Source
and Spectrum Ananlyzer
Frequency Reference Inputs
to the UUT Reference Output
RF Input
50 Leveling
Input Port
50 Directional Bridge
Test Port
3
Performance Tests
Performance Test
- / / ABC DEF
7 7 ALPHA OPER
8 9 LOCK LOCK
GHI JKL MNO NEXT
4 5 6 CHAR
PQRS TUV WXYZ
1 2 3 STBY
.
0 -
ENTER
BKSP EXP SPACE
Head
hpn226.eps
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