135Keysight N9923A Handheld AnalyzerUser’s Guide9 Frequency Offset Using Power Sensor (FOPS) – Option208FOPS is accessed through (and requires) Option 302 USB Power Meter Mode.With both options installed, you can send a signal with the FieldFox internalsource at one frequency, and measure this signal with a Keysight U-Series USBPower Sensor at another frequency.Figure 9-1 Display for FOPSIn this Chapter“How to select Power Meter (USB Sensor)” onpage 139“Measurement Selection” on page 139“Sweep Type and Frequency” on page 140“Power Sensor Settling” on page 142“Sweep Settings” on page 142
