140 FieldFox User’s Guide
VVM (Vector Voltmeter) Mode
VVM Mode (Option 308) measures the electrical length of cables and other
devices. The 1-Port Cable Trimming and 2-Port Transmission measurement
displays the electrical length in both Magnitude and Phase.
Display for the 1-Port Cable Trimming measurement
In this Chapter
Overview ............................................................... 141
Measurement Selection ....................................... 141
Frequency Selection ............................................ 142
Display Resolution ............................................... 142
IF Bandwidth ........................................................ 142
Output Power ....................................................... 143
Averaging .............................................................. 143
Single/Continuous ............................................... 144
VVM Calibration ................................................... 144
Zeroing ................................................................... 144
Procedures
1-Port Cable Trimming Measurement .............. 145
2-Port Transmission Measurement ................... 146
A/B and B/A Measurements .............................. 147
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