Keysight Technologies FieldFox Quick Reference Manual Download Page 14

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RTSA (Real-time Spectrum Analyzer)
Mode—Option 350

How to select RTSA Mode

Press

Mode

then

Real-Time SA

How to make real-time measurements

Press

Measure 1

then press from the following:

Density Spectrum

The signal displayed is a real-

time spectrum with a histogram bitmap.

Spectrogram

The signal displayed is a real-time

spectrum with a spectrogram bitmap. Spectrogram
views are valuable in capturing signals that include
both time and frequency variations.

Real-time Spectrum

The signal is displayed as a

real-time spectrum. Use real-time spectr

m to

quickly display measurements.

Summary of Contents for FieldFox

Page 1: ...Loss CAT 4 Measure Distance to Fault CAT 5 Measure S Parameters NA Mode 6 Multi Trace Configurations NA Mode 8 Calibration CAT NA VVM 9 Spectrum Analyzer SA Mode 10 Channel Measurements SA 11 Record...

Page 2: ...w battery drain briefly press the power button A 10 second counter is displayed that allows you to choose Standby Shutdown Restart or to let the countdown counter expire after 10 seconds then perform...

Page 3: ...power button and press the Standby softkey when not being used Press again to restore power All current settings are preserved The FieldFox will shutdown automatically when battery power is very low...

Page 4: ...LOAD very little power is reflected and values of greater than 40 dB are displayed 1 Connect the Device Under Test DUT 2 Select Preset then Preset Factory Returns the FieldFox to known settings 3 Sele...

Page 5: ...e and Antenna Test 3 Then Measure 1 4 Then More then Cable Loss 1 Port 5 Connect the DUT 6 Press Freq Dist and enter Start and Stop frequency 7 Connect the DUT cable to be tested to the FieldFox and c...

Page 6: ...2 Press Preset then Preset Factory 3 Then Mode then CAT 4 Then Measure 1 then Distance to Fault dB 5 Press Freq Dist then Stop Distance and enter the length of the DUT 6 If a diplexer or other filter...

Page 7: ...ement S12 Reverse 2 port transmission measurement Requires the full 2 port S parameter option S22 Reverse 1 port reflection measurement Requires the full 2 port S parameter option OR Press Trace 6 the...

Page 8: ...ccuracy Press Measure 1 then Format to change the format for the measurement Press BW 2 then Average then enter a value for the number of trace sweeps to average Press Marker then enter a value to mov...

Page 9: ...ghted Tr1 annotation in the upper left corner The Frequency Range IF BW Resolution Averaging and Output power is common to all traces All trace settings such as format markers and limit lines are appl...

Page 10: ...lly when the FieldFox is powered ON CalReady sets the reference plane at the test port connectors Press Cal 5 then see the FieldFox User s Guide Cal Rdy is shown on the screen when a CalReady is corre...

Page 11: ...rease with more attenuation then compression DID exist Set the RF Attenuation value at the setting when further increases no longer result in an increase in the displayed power level Set RF Attenuatio...

Page 12: ...wnlink frequencies 5 Optionally change the Channel Step size which allows you to use the arrows to increment the channel number by the specified value 6 Then Back and Center Start or Stop channel 7 Pr...

Page 13: ...ress Trace 6 then Record Playback Then New Session Recorder Player then Record To play a session Press Recall Session select a session press Open Then Recorder Player then Play Run Hold can be used to...

Page 14: ...nsity Spectrum The signal displayed is a real time spectrum with a histogram bitmap Spectrogram The signal displayed is a real time spectrum with a spectrogram bitmap Spectrogram views are valuable in...

Page 15: ...litude of an incoming signal crosses the settable trigger level RF Burst A sweep is initiated when the signal at the third IF analog stage crosses the settable Trigger Level Acq Time Use the Acq Time...

Page 16: ...measurement using Offset as follows Select Offset Press Mode then Power Meter Press Scale Amptd then Offset On Off Then Offset Val Enter a value by which the power meter display is offset A positive...

Page 17: ...Saves Recalls files to or from a USB Flash drive 2 Then File Type State Saves ALL FieldFox instrument settings and calibration for ALL Modes to an sta file Trace State Saves the current trace all tra...

Page 18: ...This information is subject to change without notice Keysight Technologies 2012 2020 Edition 4 Print Date September 2020 Supersedes June 2019 www keysight com...

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