466 Keysight N9927-90001 User’s Guide
Frequency Offset Using Power Sensor (FOPS) – Option 208
FOPS Settings
Src = 2 GHz to 3 GHz
Offset = 3.8 GHz
Rx = 5.8 GHz to 6.8 GHz
Power Sensor Settling
The following two settings work together to allow you to choose the right
compromise between measurement speed and accuracy.
Each power sensor reading is considered “settled” when either:
— The difference between two consecutive readings are within the Tolerance
value.
— Or the Max (number of) Readings has been made.
The readings that were taken are averaged together to become the displayed
reading.
How to choose Power Sensor settling
—Press BW 2
—Then Tolerance
. Enter a value in dB between 0 and 10 using the numeric
keypad, the arrows, or the rotary knob. Tolerance of 0 will never be
achieved, so the Max Readings will always be made. Press Enter
—Then Max Readings. Enter a value between 1 and 20 using the numeric
keypad, the arrows, or the rotary knob. Press Enter
Sweep Settings
These settings provide added control of the FOPS measurement.
How to make additional sweep settings
—Press Sweep 3
— Then choose from the following:
— Power Setup
— Source Enable
——ON Turn ON the internal source (required for FOPS).
——OFF
Turn OFF the internal source
— Src Nom Power
(-15 dBm default setting) Set output power to an
arbitrary value at the source CW frequency. Then enter a value using
the numeric keypad, the arrows, or the rotary knob. Press Enter
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