184 Chapter 3
Mode
One Port Insertion Loss Measurement
Mode
Stop Freq
Use this key to specify the Stop Frequency of your frequency range.
Calibrate
Use this key to start the process of calibrating your measurement. Follow the instructions
on the screen to complete the calibration process.
The One-Port Insertion Loss calibration is the same calibration as performed for the
Return Loss and Distance to Fault (when it is performed with Frequency Range set to
manual) measurements. If you have already calibrated for any of these three
measurements, the calibration will apply to the other two measurements and “Calibrated”
(together with the frequency range over which the calibration was performed) will be
displayed on top left of the screen for all three.
The Distance to Fault calibration (when it is performed with Frequency Range set to Auto)
is only valid for other Distance to Fault measurements that are also performed with
Frequency Range set to Auto, and then only if the calibrated frequency range falls within
the previously calibrated frequency range.
If you have not previously performed a calibration, the words “Factory Calibration” appear
at the top left of the measurement screen.
It is important that you keep the calibration frequency range as close as possible to the
actual sweep frequencies you intend using for the measurement or measurements.
Calibrating over a wide frequency range (for example, 1 GHz) when you only intend
State Saved Saved in State
Range 10 MHz to 3.0 GHz (Option 503) / to 6.0 GHz (Option 506)
Key Path Front-panel key
Mode Stimulus / Response
Preset 3.0 GHz (Option 503), 6.0 GHz (Option 506)
Range 10.001 MHz to 3.0 GHz (Option 503) / to 6.0 GHz (Option 506)
Key Path
FREQ/Channel, Stop Freq
Mode Stimulus / Response
Key Path
FREQ/Channel, Calibrate
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