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Keysight N9913A User Manual

Keysight N9913A
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Keysight FieldFox Analyzers
This manual provides documentation for the following models:
N9913A, N99914, N9915A, N9916A, N9917A, N9918A
N9925A, N9926A, N9927A, N9928A
N9935A, N9936A, N9937A, N9938A
N9950A, N9951A, N9952A
N9960A, N9961A, N9962A
User's Guide

Table of Contents

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Keysight N9913A Specifications

General IconGeneral
Amplitude Accuracy±0.5 dB
Tracking GeneratorYes
Operating Temperature-10°C to +50°C
Storage Temperature-40°C to +70°C
Dynamic Range> 100 dB
Measurement TypesCable and antenna analyzer, spectrum analyzer
Battery Life4 hours (typical)
Impedance50 Ohm
Distance-to-Fault (DTF)Up to 1000 m
InterfaceUSB, LAN

Summary

1 Overview

Models and Options

Lists available FieldFox models and their frequency ranges.

Accessories

Details included and optional accessories for the FieldFox.

FieldFox Manuals, Software, and Supplemental Help

Lists available documentation and software for the FieldFox.

Safety Notes

Important safety information to be familiarized with before operating the instrument.

2 Preparing for Initial Use of Your New FieldFox

Check the Shipment

Procedure for inspecting the FieldFox upon arrival.

Meeting Power Requirements for the AC/DC Adapter

Specifies voltage, frequency, and current requirements for the AC/DC adapter.

Install the Lithium-Ion Battery

Step-by-step guide for installing the battery.

Battery Usage

Information on battery charge preservation and usage.

FieldFox ON/OFF Settings

Details on powering the FieldFox on, standby, and off.

FieldFox High Temperature Protection

Features to prevent damage from high internal temperatures.

3 Take the FieldFox Tour

Front Panel

Overview of the physical controls and buttons on the front panel.

Top Panel

Overview of the connectors and indicators on the top panel.

Right Side Panel

Overview of the connectors and ports on the right side panel.

Left Side Panel

Overview of the connectors on the left side panel.

Screen Tour

Explanation of the elements displayed on the FieldFox screen.

4 CAT (Cable and Antenna Test) Mode

CAT Mode Settings

Configuration options for CAT mode measurements.

Frequency Range

Setting the frequency range for CAT mode measurements.

Scale Settings

Adjusting the Y-axis scale for trace visibility.

Averaging

Reducing noise by averaging data points over sweeps.

Smoothing

Smoothing trace data to reduce peak-to-peak noise.

Single or Continuous Measure

Determining whether the FieldFox measures continuously or once.

Resolution (Number of Data Points)

Selecting the number of data points for measurement resolution.

Sweep Time

Setting the time duration for each measurement sweep.

Output Power

Setting the output power level for the FieldFox.

Interference Rejection

Mitigating interference from other signals in the area.

Coupled Frequency

Allows Return Loss & DTF measurements to have different frequency ranges.

Return Loss Measurements

Measuring the reflected power compared to the incident power.

1-Port Cable Loss Measurements

Measuring the loss of a transmission line.

2-Port Insertion Loss Measurements

Measuring loss through a DUT or cable over a specified frequency range.

5 TDR (Time Domain Reflectometry) - Option 215

TDR Measurement Settings

Configuring various settings for TDR measurements.

TDR Start and Stop Distance

Setting the physical length of the DUT for measurement.

Frequency Mode

Defining how frequency settings are made for TDR measurements.

Cable (Correction) Specifications

Accounting for cable loss to improve TDR accuracy.

Window Settings

Optimizing TDR measurements for fault resolution or low-level detection.

About Alias Faults

Understanding measurement artifacts that may appear on the screen.

6 NA (Network Analyzer) Mode

NA Mode Settings

Configuration options for Network Analyzer mode.

About S-parameters

Explains scattering parameters used to describe device signal modification.

Multi-Trace Configurations

Displaying multiple traces on the FieldFox screen.

Quick Settings

Viewing and changing relevant settings from a single location.

Calibration Settings

Settings related to Port Extensions and Media Type.

Format

Selecting the display format for measurement results.

Frequency Range

Setting the frequencies for measurements.

Scale Settings

Adjusting the Y-axis scale for trace visibility.

Magnitude Offset

Offsetting magnitude data by a fixed or sloped value.

Electrical Delay

Simulating transmission line length to compensate for phase shift.

Phase Offset

Mathematically adjusting phase measurement.

Averaging

Reducing effects of random noise on measurements.

IF Bandwidth

Adjusting the IF bandpass filter for noise reduction.

Triggering

Initiating SA mode sweeps using external events.

Output Power

Setting the power level for measurements.

Port Extensions

Electrically moving the calibration reference plane.

Velocity Factor

Displaying equivalent physical length based on electrical delay.

Increase Dynamic Range

Settings to reduce measurement noise for better dynamic range.

7 Time Domain – Option 010

Overview

Explains Time Domain measurements using inverse Fourier transform.

Time Domain (Transform) Settings

Configuring Time Domain transform parameters.

Start/Stop (Frequency Range) and Points

Defining frequency range and data points for calculations.

Stimulus (Mode)

Selecting the transform algorithm application method.

Start/Stop Time

Adjusting display resolution for responses.

Line Loss and Velocity Factor

Accounting for cable loss for accurate Time Domain measurements.

Data Chain

Selecting the data processing chain for calculations.

Transform Enable

Enabling Time Domain transform for a specific trace.

Gate Enable

Enabling gating for a specific trace.

Gating

Virtually removing undesired responses in Time Domain.

8 Calibration for NA, CAT, and VVM Modes

Why and When to Calibrate

Explains the necessity and timing of calibration.

CalReady

Factory calibration for immediate measurements without other corrections.

How to Perform a Calibration

Step-by-step guide to performing calibration.

QuickCal (N991xA/2xA/3xA Only)

Quick and simple calibration for specific models.

Mechanical Cal

Accurate calibration using discrete standards from a Cal Kit.

ECal

Complete solid-state calibration solution.

Simple Response Cals

Quick calibration using open, short, or thru components.

Calibration Type

Recommends calibration types based on displayed S-parameters.

Verifying Calibration and Jumper Cable Integrity

Procedures to ensure calibration quality and cable integrity.

9 SA (Spectrum Analyzer) Mode

SA Mode Settings

Configuration options for Spectrum Analyzer mode.

Frequency Range

Determines frequencies measured for each sweep.

Radio Standard

Applies settings for specific RF protocols.

Channel Selection

Changing frequency range by selecting channels.

Scale and Units

Adjusts the Y-axis scale and units for display.

External Gain

Offsets trace amplitude to compensate for external devices.

Attenuation Control

Controls the power level into the SA receiver.

Preamplifier Control (Opt 235)

Boosts signal level for low-level signals.

Check for Compressed Measurements

Identifies inaccurate amplitude display due to compression.

Field Strength Measurements

Measures signal strength using antenna factor and cabling corrections.

Using the Antenna/Cable Editor

Editing antenna and cable correction tables.

Source Tracking Offset and Offset Reversal

Offsets source frequency from receiver frequency.

Tune & Listen (AM/FM)

Identifies interfering AM or FM signals.

Resolution Bandwidth (Res BW)

Affects signal resolution and measurement speed.

Sweep Type

Processes input signals using FFT or Step sweep.

Triggering

Initiates SA mode sweeps using external events.

FFT Gating (Opt 238)

Time-gated spectrum analysis.

Single / Continuous / Restart

Controls sweep measurement mode and timing.

Trace Display States (SA Mode)

Displays different types of trace states.

Alignments

Corrects for receiver drift over temperature and time.

10 RTSA (Real-Time Spectrum Analyzer) Mode—Option 350 (CPU2 Only)

RTSA Mode Settings

Configuration options for RTSA mode.

Frequency Range

Determines frequencies measured per sweep.

Scale and Units

Adjusts the Y-axis scale and units for display.

External Gain

Offsets trace amplitude to compensate for external devices.

Attenuation Control

Controls the power level into the RTSA receiver.

Preamplifier Control (Opt 235)

Boosts signal level for low-level signals.

Check for Compressed Measurements

Identifies inaccurate amplitude display due to compression.

Resolution Bandwidth (Res BW)

Affects signal resolution and measurement speed.

Triggering

Initiates RTSA mode sweeps using external events.

Single / Continuous / Restart / Time Per Div

Controls sweep measurement mode and timing.

Trace Display States

Displays various types of trace states.

Spectrogram Display (RTSA Option)

Visual history of spectrum with trace records.

Record/Playback (RTSA Option)

Records and plays back RTSA trace sweeps.

11 IQ Analyzer (IQA) – Option 351 (CPU2 Only)

About I/Q Analyzer (IQA) Measurements

Overview of I/Q Analyzer capabilities.

I/Q Analyzer (IQA) Mode Settings

Core configuration for I/Q Analyzer mode.

How to Make Measurements Using the I/Q Analyzer Mode

Procedure for setting up and performing I/Q measurements.

How to Capture I/Q Data to a File

Procedure for saving I/Q data to a file.

Using Markers (IQA)

Marker functions specific to the I/Q Analyzer mode.

Noise Marker

Calculates noise measurement using a mathematical approach.

Band/Interval Power Marker

Integrates power over adjacent data points.

Coupled Markers (Waveform Only)

Links markers across traces for synchronized movement.

Alignments

Corrects for receiver drift over time and temperature.

Trace Display States (IQA Mode)

Displays different types of trace states for IQA mode.

12 Remote Server Mode (Requires CPU2 and SA Hardware/SA Option 233)

Connecting Using Remote Server

Overview of connecting FieldFox to PC-based software via LAN.

13 Interference Analyzer (SA Mode) – Option 236

Spectrogram Display (SA Option)

Visual history of spectrum, locating intermittent signals.

Common Settings for Waterfall and Spectrogram

Adjusting Red and Blue limits for color display.

Waterfall Display

Visual history of spectrum over time with scrolling trace records.

Record/Playback (SA Option)

Records and plays back SA trace sweeps.

How to Record a Session

Procedure for recording spectral activity.

How to Playback a Session

Procedure for replaying recorded sessions.

Recording Configuration

Settings for configuring recording parameters.

14 Reflection Mode (SA Models) - Option 320

How to select Reflection Mode

Procedure to select Reflection Mode.

Measurement Selection

Choosing between Return Loss and VSWR measurements.

Normalize

Removes frequency response errors for accurate measurements.

15 Built-in Power Meter Mode – Option 310

Frequency/ Span / Step

Setting the center frequency, span, and step for measurements.

Radio Standard

Applies pre-defined settings for specific radio channels.

How to set Attenuation

Controls the power level into the FieldFox.

16 Power Meter (USB) Mode - Option 302

Supported Power Sensors

Lists compatible Keysight USB Power Sensors.

How to Connect the Power Sensor

Procedure for connecting the power sensor.

Average / Peak

Selecting average or peak power measurement.

Zeroing

Setting the zero reference for accurate power readings.

Frequency

Entering the frequency of the power measurement.

Source Control

Controlling the internal signal source for measurements.

Relative and Offset Power Measurements

Making measurements relative to another reading or offset.

Display Units

Selecting power display units (dBm or Watts).

Resolution

Setting the number of digits after the decimal point.

Averaging

Improving measurement accuracy in low power or noisy situations.

Single or Continuous Measure

Determining continuous or single measurement acquisition.

Step Detection Mode

Reducing settling time after power steps.

Limits

Setting visible ranges for acceptable readings.

17 Frequency Offset Using Power Sensor (FOPS) – Option 208

How to select Power Meter (USB Sensor)

Procedure to select the USB Power Meter mode.

Measurement Selection

Choosing measurement types like Spectrum or Waveform.

Sweep Type and Frequency

Setting source and receiver frequencies for FOPS measurements.

Power Sensor Settling

Balancing measurement speed and accuracy.

Sweep Settings

Providing additional control for FOPS measurements.

Amplitude Markers

Horizontal lines for amplitude comparison.

Trace Math

Comparing data traces and performing math operations.

18 Pulse Measurements Mode – Option 330

Supported Power Sensors

Lists compatible Keysight U2020 X-Series USB Peak Power Sensors.

Measurement Selection

Choosing between traditional power meter display or trace graph.

Frequency / Time

Setting the center frequency or time for pulse measurements.

Zoom Window

Viewing a zoomed portion of the trace.

Scale

Adjusting the Y-axis scale for trace graph measurements.

Averaging

Reducing noise for improved measurement accuracy.

Video Bandwidth

Enabling an FIR filter within the USB Power Sensor.

Single or Continuous Measure

Determining continuous or single measurement acquisition.

Resolution

Number of individual acquisitions for trace plotting.

Triggering

Event that causes the USB Peak Power Sensor to initiate acquisition.

Amplitude Markers

Horizontal lines for amplitude comparison.

How to Search with Markers

Finding and moving markers to specific trace locations.

How to enable Auto Analysis

Automatic reporting of pulse measurements.

Pulse Top

Setting and reporting the reference power level.

19 VVM (Vector Voltmeter) Mode - Option 308

Overview

Explains VVM mode for measuring electrical length.

Measurement Selection

Choosing between 1-Port Cable Trimming, 2-Port Transmission, or B/A measurements.

Frequency Selection

Setting the measurement frequency.

Display Resolution

Setting decimal precision for magnitude and phase readings.

IF Bandwidth

Reducing noise by adjusting IF receiver bandwidth.

Output Power

Setting the power level for measurements.

Averaging

Reducing noise effects on measurements.

Single or Continuous Measure

Determining continuous or single acquisition.

VVM Calibration

Performing calibration for VVM measurements.

Zeroing

Setting magnitude and phase display to zero.

1-Port Cable Trimming Measurements

Validating proper electrical length in cable fabrication.

2-Port Transmission Measurements

Measuring electrical length, insertion loss, gain, or isolation.

A/B and B/A Measurements

Ratioed measurements using FieldFox A and B receivers.

20 ERTA (Extended Range Transmission Analysis) Mode - Option 209

Overview

Introduces ERTA mode for long-distance transmission analysis.

Requirements and Limitations

Details system requirements and operational limitations.

Start Connection Wizard

Guides through the physical setup for ERTA.

Configure Measurement Settings

Selecting measurement parameters like frequency and points.

Normalize

Removes frequency response errors for accurate ERTA measurements.

Source Tracking Offset and Offset Reversal

Offsets source frequency relative to receiver frequency.

Improve Dynamic Range

Settings to reduce measurement noise for better dynamic range.

Source Enable and Source Mode

Controlling the internal source and its operating mode.

21 AM/FM Metrics (SA Only and Option 355)

Using AM/FM Metrics

Demodulating and characterizing AM/FM signals.

Overview of Measurement Types

Explains AM/FM measurement types and terms.

SINAD and THD Calculations

Calculating Signal-to-Noise and Distortion Ratio and Total Harmonic Distortion.

Interpreting AM/FM Metrics Error Messages

Discusses common AM/FM Metrics error messages and their solutions.

22 Channel Scanner (Option 312)

Using Channel Scanner

Overview of Channel Scanner functionality.

How to Set Up Channel Scanner

Step-by-step guide for configuring channel scans.

Field Strength Measurements

Measures signal strength using antenna factor and cabling corrections.

Using the Antenna/Cable Editor

Editing antenna and cable correction tables.

23 Noise Figure Mode (Option 356 – CPU2 Only)

Using Noise Figure

Overview of Noise Figure measurement using the Y-Factor technique.

How to Define a Noise Figure Measurement

Detailed procedure for setting up a noise figure measurement.

Alignments

Corrects for receiver drift over temperature and time.

Calculating Noise Figure Measurement Uncertainty

Calculates and displays measurement uncertainty.

Using ENR Tables

Defining noise source ENR values.

Calibration Wizard

Guides through receiver and user calibration procedures.

How to use Auto-Integration

Optimizes measurement speed and accuracy by automatically setting integration time.

24 Data Analysis Features

All about Markers

Explains marker functionality for analyzing measurement data.

How to create Markers

Procedure for adding markers to traces.

About Delta Markers

Provides relative X/Y axis readouts using a reference marker.

Marker Table

Displays information for all active markers.

Coupled Markers (NA Mode)

Links markers across multiple traces for synchronized movement.

Marker Trace (CAT, NA, NF Modes)

Moves markers between data and memory traces.

Marker Trace (IQA and SA Mode)

Moves markers between traces in IQA and SA modes.

Marker Format

Sets the format of marker readouts.

Searching with Markers

Moves markers to specific trace characteristics.

What Is a ‘Peak’

Defines criteria for identifying peaks in traces.

Marker Functions

Modifies marker behavior and settings.

SA Marker Functions

Marker functions specific to SA mode.

How to Create Fixed Limit Lines

Creates static limit lines for pass/fail testing.

Relative Limit Lines

Creates dynamic limit lines relative to center frequency and acquisition.

Build From Trace

Creates limit lines based on existing trace data.

Limit Options

Configures limit line behavior (beep, pass/fail indication).

How to Save and Recall Limits

Manages limit line definitions by saving and recalling files.

How to display data and memory traces

Views live trace and stored memory trace.

How to perform Trace Math

Performs calculations between live and memory traces.

How to Use Scale Settings

Adjusts the Y-axis scale for better trace visualization.

25 System Settings

Run/Hold

Controls continuous or single sweep operation.

Preset

Restores FieldFox to factory default settings.

User Preset

Stores and recalls custom settings for each mode.

Audio (Volume) Control

Adjusts speaker volume for beeps and features.

Display (Settings)

Adjusts display parameters like brightness and colors.

Display Brightness

Changes the background brightness of the display.

Display Colors

Alters the viewing scheme of the display.

Trace Width

Sets the width of displayed traces for better viewing.

Title

Adds a custom title to the FieldFox screen.

Edit Keywords

Creates custom keywords for filenames.

Full Screen Mode

Maximizes display area by removing annotations.

Preferences

Stores settings that persist across power cycles.

Save and Reset Preferences

Manages preference settings, including restoring factory defaults.

Global Settings (Overview)

Configures global settings like language and startup mode.

Language

Sets the language for FieldFox interface elements.

Battery Saver

Conserves battery power by managing RF source output.

Startup Mode

Determines the mode active upon power-up.

File folders

Selects default locations for saving and recalling files.

Alpha Numeric Editing

Allows selection of keyboard styles for input.

File Saving Naming Options

Configures filename prefixes and suffixes.

CAT (Distance Units)

Sets distance units for CAT mode.

System Configuration

Views and installs options on the FieldFox.

Options (Licensing)

Lists available installed options.

GPS

Configures GPS settings for location stamping data.

Frequency Reference Source

Selects the source for accurate and stable frequency measurements.

Variable Voltage Source (Opt. 309)

Provides DC voltage for external devices.

Security Level

Prevents display of frequency information in certain modes.

Date and Time, Format, and Time Zone Settings

Sets the instrument's date, time, and time zone.

LAN Settings

Configures network settings for communication and remote operation.

Power ON

Controls automatic power-on behavior.

How to backup files

Procedure for backing up user data.

How to restore files

Procedure for restoring backed-up user files.

Service Diagnostics

Accesses service-related information and functions.

System Information

Displays key information about the FieldFox instrument.

Battery

Information related to battery status and management.

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