Chapter 3 183
Mode
One Port Insertion Loss Measurement
Mode
Reference Level
Sets the reference level value used for amplitude measurements. The reference level is the
amplitude power or voltage represented by the top graticule line on the display. Changing
the value of the reference level changes the absolute amplitude level of the top graticule
line. The reference level (in dB) can be set with the step keys, knob, or numeric keypad.
Scale/Div
Sets the logarithmic units per vertical graticule division on the display.
FREQ/Channel Menu
The following FREQ/Channel keys are for setting up a One Port Insertion Loss
measurement. The measurement must already be running to access these keys. Press
Meas, Return Loss to turn on the measurement.
Start Freq
Use this key to specify the Start Frequency of your frequency range.
Mode SA
Preset 0 dB
State Saved Saved in State
Min –150 dB
Max 100 dB
Key Path
AMPTD Y Scale, Reference Level
Mode SA
Preset 10.00 dB / Div
State Saved Saved in State
Range 1 to 20
Key Path
AMPTD Y Scale, Scale/Div
Mode Stimulus / Response
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