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Rohde & Schwarz R&S FSH Series User Manual

Rohde & Schwarz R&S FSH Series
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1145.5973.12-11- 1
Test and Measurement
Division
Operating Manual
Handheld Spectrum Analyzer
R&S

FSH
1145.5850.03
1145.5850.13
1145.5850.23
1145.5850.06
1145.5850.26

Table of Contents

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Rohde & Schwarz R&S FSH Series Specifications

General IconGeneral
BrandRohde & Schwarz
ModelR&S FSH Series
CategoryMeasuring Instruments
LanguageEnglish

Summary

1 Putting into Operation

Front view

Diagram and labels of the R&S FSH front panel for spectrum mode measurements.

Unpacking the Instrument

Instructions for unpacking the R&S FSH and its accessories from the packaging.

Setting up the Instrument

Guidance on positioning the R&S FSH for desktop use or for service applications.

Switching on the Spectrum Analyzer

Steps to power the R&S FSH using the power supply unit or internal battery.

Spectrum Analyzer Connectors

Description and specifications for RF input, trigger, power supply, and headphone connectors.

RS-232-C optical interface

Details on connecting the R&S FSH to a printer or PC using an optical interface.

Connector for power sensor

Information on the connector for powering and data transfer with R&S power sensors.

Tracking generator output

Specifications for connecting the tracking generator output to a DUT.

Screen Settings

Adjusting screen brightness, contrast, and color settings for optimal display.

Country-Specific Settings

Configuring language, date format, and unit of length for country-specific needs.

Setting the Date and Time

Procedure for setting the internal clock's date and time for data logging.

Charging the Battery

Instructions for charging the R&S FSH's nickel metal hydride battery.

Selecting the Instrument Default Setup

Setting the R&S FSH to factory default or custom preset configurations.

External Reference / External Trigger Switchover

Configuring the BNC connector for external trigger or reference signal input.

2 Getting Started

Measurements on CW Signals

Basic operation for measuring level and frequency of sinewave signals.

Setting the Reference Level

Adjusting the reference level for optimal dynamic range in spectrum analysis.

Frequency Measurements

Using the frequency counter for accurate marker frequency readouts.

Harmonic Measurements of a Sinewave Signal

Measuring harmonic levels and ratios using marker functions.

Power Measurements Using the Power Sensor

Connecting and operating R&S FSH power sensors for accurate power measurements.

Power and Return Loss Measurements with the R&S FSH-Z14 or the R&S FSH-Z44

Using directional power sensors for measuring forward/reflected power and load matching.

Two-Port Transmission Measurements

Measuring gain or attenuation of two-port devices using the tracking generator.

Measurement of Return Loss

Performing reflection measurements using VSWR bridges and calibration.

Performing Distance-To-Fault Measurements

Locating cable faults and determining their distance using the DTF measurement function.

Measuring spectrum and reflection

Checking spectrum and reflections for interfering signals and antenna matching.

Operation in Receiver Mode

Measuring signal levels at specific frequencies using the receiver mode (option R&S FSH-K3).

Measuring the Carrier-to-Noise Ratio

Measuring the ratio of carrier power to noise power using dedicated function.

3 Operation

Screen Layout

Overview of the spectrum analyzer display elements in spectrum mode without markers.

Screen layout when the marker mode is selected

Display elements and softkey status indication when using markers.

Entering Measurement Parameters

Methods for entering values, units, and text using the keypad and rotary knob.

Entering units

Using unit keys to specify units like GHz, dBm, V, s, or kHz.

Menu Overview

Diagrams illustrating the menu structure for Frequency, Span, Level, and Bandwidth settings.

Sweep

Menu structure for Sweep time, Sweep mode, and Trigger settings.

Trace Settings

Options for Trace mode (Clear/Write, Average, Max Hold, Min Hold, View) and Detector selection.

Using the Markers

Functions for controlling markers, automatic positioning, and marker lists.

Using the Display Line

Adding and adjusting a horizontal display line for signal level determination.

4 Instrument Functions

Instrument Default Setup

Setting the R&S FSH to its default configuration using the PRESET key.

Status Display

Viewing and printing current measurement parameter settings on the screen.

Setting the Frequency

Entering center, start, and stop frequencies, including offsets and channel tables.

Setting the Span

Adjusting the frequency range displayed on the screen for measurements.

Setting the Amplitude Parameters

Configuring reference level, display range, units, offset, and input impedance.

Setting the Bandwidths

Selecting resolution and video bandwidths for signal analysis.

Setting the Sweep

Configuring sweep time, sweep mode (continuous/single), and trigger functions.

Trace Settings

Managing trace modes, detectors, and trace memory for signal display.

Using the Markers

Functions for marker positioning, automatic placement, and multimarker analysis.

Using the Display Line

Adjusting a horizontal line on the display for signal level reference.

Setting and Using the Measurement Functions

Overview of measurement functions like channel power and TDMA power.

Measuring the channel power of continuously modulated signals

Measuring signal power within a specific transmission channel.

Power measurements on TDMA signals

Measuring power of TDMA signals, including setting standards and trigger.

Measuring the occupied bandwidth

Measuring the bandwidth containing a specified percentage of transmitter power.

Measuring the Carrier-to-Noise Ratio

Calculating the ratio of carrier power to noise power for signal quality analysis.

Using the R&S FSH in receiver mode

Operating the R&S FSH as a receiver to measure levels at specific frequencies.

Measurements using the power sensor

Connecting and using R&S FSH power sensors for accurate power measurements.

Measuring forward and reflected power

Using directional power sensors to measure forward and reflected power.

Two-port measurements with the tracking generator

Performing transmission and reflection measurements using the tracking generator.

One-Port Measurement of Cable Loss

Calculating cable loss using return loss measurements with DTF option.

Cable Measurements

Determining cable characteristics, locating faults, and selecting cable models.

Using Limit Lines

Setting and monitoring upper and lower limits for signal characteristics.

Measuring with Transducer Factors

Applying transducer factors for accurate measurements with antennas and other devices.

Field-Strength Measurement with Isotropic Antenna

Measuring resultant field strength using an isotropic antenna and R&S FSH.

Saving and Loading Instrument Settings and Measurement Results

Saving, loading, and deleting instrument settings and measurement data sets.

Printing out Measurement Results

Printing screenshots of the R&S FSH display to a connected printer.

Measurements

Fundamental principles of spectrum analyzer operation and measurement techniques.

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