Rohde & Schwarz R&S FSH Series User manual

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

1145.5973.12-11- 2
Dear Customer,
R&S® is a registered trademark of Rohde & Schwarz GmbH & Co. KG.
Trade names are trademarks of the owners.

R&S FSH Contents
1145.5973.12 I.1 E-11
Contents
Specifications
Safety Instructions
Certificate of Quality
EC-Certificate of Conformity
Support Center Address
List of R&S Representatives
1Putting into Operation..............................................................................................................1.1
Front view .........................................................................................................................................1.1
Putting into Operation .....................................................................................................................1.2
Unpacking the Instrument...........................................................................................................1.2
Setting up the Instrument ...........................................................................................................1.3
Switching on the Spectrum Analyzer..........................................................................................1.4
Spectrum Analyzer Connectors..................................................................................................1.5
Screen Settings ..........................................................................................................................1.7
Country-Specific Settings ...........................................................................................................1.9
Setting the Date and Time.......................................................................................................1.10
Setting the date........................................................................................................... 1.10
Setting the time........................................................................................................... 1.10
Charging the Battery..................................................................................................................... 1.11
Selecting the Instrument Default Setup...................................................................................... 1.12
External Reference / External Trigger Switchover..................................................................... 1.13
Controlling the RF Attenuator...................................................................................................... 1.14
Using a Preamplifier...................................................................................................................... 1.14
PIN Entry ........................................................................................................................................ 1.16
Connecting Printers...................................................................................................................... 1.18
Setting the Baud Rate for Remote Control................................................................................. 1.20
Enabling Options........................................................................................................................... 1.20
Checking the Installed Options ................................................................................................... 1.21

Contents R&S FSH
1145.5973.12 I.2 E-11
2Getting Started............................................................................................................................2.1
Measurements on CW Signals........................................................................................................2.1
Level measurement....................................................................................................................2.1
Setting the Reference Level.......................................................................................................2.2
Frequency Measurements..........................................................................................................2.3
Harmonic Measurements of a Sinewave Signal.........................................................................2.4
Power Measurements Using the Power Sensor ........................................................................2.5
Power and Return Loss Measurements with the R&S FSH-Z14 or the R&S FSH-Z44.............2.7
Two-Port Transmission Measurements......................................................................................2.9
Measurement of Return Loss.................................................................................................. 2.11
Performing Distance-To-Fault Measurements ........................................................................ 2.14
Operation in Receiver Mode......................................................................................................... 2.20
Measuring the Carrier-to-Noise Ratio ......................................................................................... 2.25
Reference power/reference level ............................................................................................ 2.26
Measuring the noise power ..................................................................................................... 2.27
Saving and Recalling Settings and Test Results....................................................................... 2.28
Saving Measurement Results.................................................................................................. 2.28
Saving Calibration Data........................................................................................................... 2.29
Recalling Measurement Results.............................................................................................. 2.30
Printing Out Measurement Results............................................................................................. 2.31

R&S FSH Contents
1145.5973.12 I.3 E-11
3Operation.......................................................................................................................................3.1
Screen Layout...................................................................................................................................3.1
Screen layout for spectrum-mode measurements without markers...........................................3.1
Screen layout when the marker mode is selected .....................................................................3.2
Entering Measurement Parameters................................................................................................3.3
Entering values and texts ...........................................................................................................3.3
Entering units..............................................................................................................................3.4
Menu Overview.................................................................................................................................3.5
Frequency entry........................................................................................................................3.5
Frequency span........................................................................................................................3.5
Level setting..............................................................................................................................3.5
Bandwidth setting ....................................................................................................................3.5
Sweep ........................................................................................................................................3.6
Trace setting .............................................................................................................................3.6
Measurement functions ...........................................................................................................3.7
Markers.................................................................................................................................... 3.10
Save and print menu ............................................................................................................. 3.11
Instrument setup.................................................................................................................... 3.11
Status display .......................................................................................................................... 3.11
Menus in the Receiver Mode (Option R&S FSH-K3).................................................................. 3.12

Contents R&S FSH
1145.5973.12 I.4 E-11
4Instrument Functions...............................................................................................................4.1
Instrument Default Setup.................................................................................................................4.1
Status Display...................................................................................................................................4.1
Setting the Frequency......................................................................................................................4.2
Entering the center frequency ....................................................................................................4.2
Setting a frequency offset...........................................................................................................4.2
Entering the center-frequency step size.....................................................................................4.3
Entering the start and stop frequency ........................................................................................4.4
Working with channel tables.......................................................................................................4.4
Setting the Span...............................................................................................................................4.6
Setting the Amplitude Parameters .................................................................................................4.7
Setting the reference level..........................................................................................................4.8
Entering the display range..........................................................................................................4.8
Entering the display unit .............................................................................................................4.9
Entering the reference offset......................................................................................................4.9
Entering the input impedance.................................................................................................. 4.10
Setting the Bandwidths ................................................................................................................ 4.11
Resolution bandwidth .............................................................................................................. 4.11
Video bandwidth...................................................................................................................... 4.13
Setting the Sweep ......................................................................................................................... 4.15
Sweep time.............................................................................................................................. 4.15
Sweep mode............................................................................................................................ 4.16
Trigger ..................................................................................................................................... 4.16
Trace Settings................................................................................................................................4.19
Trace mode.............................................................................................................................. 4.19
Detector ................................................................................................................................... 4.20
Trace memory.......................................................................................................................... 4.22
Using the Markers......................................................................................................................... 4.24
Automatic marker positioning.................................................................................................. 4.25
Using more than one marker at a time (multimarker mode).................................................... 4.27
Marker functions...................................................................................................................... 4.30
Measuring the noise power density............................................................................ 4.30
Measuring the frequency............................................................................................ 4.31
AF demodulation...................................................................................................................... 4.32
Using the Display Line.................................................................................................................. 4.33

R&S FSH Contents
1145.5973.12 I.5 E-11
Setting and Using the Measurement Functions......................................................................... 4.34
Measuring the channel power of continuously modulated signals......................................... 4.34
Selecting the standard............................................................................................................. 4.35
Setting the reference level....................................................................................................... 4.37
Setting the channel bandwidth ................................................................................................ 4.37
Changing the span................................................................................................................... 4.38
Power display .......................................................................................................................... 4.39
Power measurements on TDMA signals..................................................................................... 4.41
Selecting a standard................................................................................................................ 4.41
Setting the measurement time................................................................................................. 4.43
Optimizing the reference level................................................................................................. 4.43
Power readout ......................................................................................................................... 4.44
Setting the trigger .................................................................................................................... 4.44
Measuring the occupied bandwidth............................................................................................ 4.45
Selecting a standard................................................................................................................ 4.46
Setting the reference level....................................................................................................... 4.47
Setting the channel bandwidth ................................................................................................ 4.48
Displaying the occupied bandwidth......................................................................................... 4.48
Changing the span................................................................................................................... 4.49
Measuring the Carrier-to-Noise Ratio ......................................................................................... 4.50
Determining the reference.......................................................................................................4.51
DIGITAL Tx mode....................................................................................................... 4.51
ANALOG TV mode ..................................................................................................... 4.52
CW Tx mode............................................................................................................... 4.52
Manual reference mode.............................................................................................. 4.53
Setting the reference channel..................................................................................... 4.53
Setting the reference channel bandwidth................................................................... 4.54
Setting the analyzer reference level for the reference channel measurement........... 4.55
Inserting the C/N reference......................................................................................... 4.55
Units of the C/N reference.......................................................................................... 4.56
Measuring the noise channel power and calculating the carrier power/noise power.............. 4.56
Setting the noise channel ........................................................................................... 4.57
Setting the noise channel bandwidth.......................................................................... 4.58
Setting the R&S FSH reference level during noise channel measurement................ 4.58
Selecting the C/N result display.................................................................................. 4.59
C/N measurement result display ................................................................................ 4.59
Changing the span...................................................................................................... 4.60

Contents R&S FSH
1145.5973.12 I.6 E-11
Using the R&S FSH in receiver mode ......................................................................................... 4.61
Setting the frequency............................................................................................................... 4.62
Setting the reference level....................................................................................................... 4.64
Setting the bandwidth.............................................................................................................. 4.65
Setting the detector.................................................................................................................. 4.66
Setting the measurement time................................................................................................. 4.66
Measurement on multiple frequencies or channels (scan)...................................................... 4.67
Measurements using the power sensor ..................................................................................... 4.69
Connecting the power sensor.................................................................................................. 4.69
Zeroing the power sensor........................................................................................................4.71
Selecting the unit for the power readout.................................................................................. 4.72
Setting the averaging time....................................................................................................... 4.73
Taking additional loss or gain into account ............................................................................. 4.73
Measuring forward and reflected power..................................................................................... 4.75
Zeroing the power sensor........................................................................................................4.77
Setting the power measurement weighting............................................................................. 4.78
Selecting the unit for the power readout.................................................................................. 4.79
Taking additional attenuation into account.............................................................................. 4.80
Two-port measurements with the tracking generator............................................................... 4.82
Measuring the transmission of two-ports................................................................................. 4.84
Vector transmission measurement............................................................................. 4.87
Transmission measurement using the connected VSWR Bridge R&S FSH-Z3........ 4.89
Spectrum measurements with the VSWR Bridge R&S FSH-Z3 or R&S FSH-Z2
connected ................................................................................................................... 4.90
Settings for detection of the R&S FSH-Z3 in transm. and spectrum measurements. 4.91
Supplying DC voltage to active DUTs ........................................................................ 4.91
Reflection measurements........................................................................................... 4.91
Scalar measurement of reflection............................................................................... 4.92
Vector measurement of reflection............................................................................... 4.94
Display of reflection in vector measurement............................................... 4.96
Spectrum measurements with the VSWR Bridge R&S FSH-Z3 or R&S FSH-Z2
connected ................................................................................................................. 4.100
Settings for detection of the R&S FSH-Z2 and R&S FSH-Z3................................... 4.101
One-Port Measurement of Cable Loss...................................................................................... 4.102

R&S FSH Contents
1145.5973.12 I.7 E-11
Cable Measurements .................................................................................................................. 4.103
Cable selection...................................................................................................................... 4.104
Selecting the frequency range............................................................................................... 4.107
Calibrating the test setup....................................................................................................... 4.108
Locating cable faults by means of the marker function......................................................... 4.111
Measuring spectrum and reflection ....................................................................................... 4.114
Further information ................................................................................................................ 4.115
Setting the span........................................................................................................ 4.115
Selecting the center frequency................................................................................. 4.116
Measurement............................................................................................................ 4.117
Length measurement accuracy................................................................................ 4.117
Using Limit Lines ........................................................................................................................ 4.118
Measurements with limit lines................................................................................................ 4.120
Definition range of limit lines.................................................................................................. 4.121
Data sets containing limit lines.............................................................................................. 4.121
Measuring with Transducer Factors ......................................................................................... 4.122
Unit for measurements with transducers............................................................................... 4.124
Reference level settings for measurements with transducers .............................................. 4.124
Frequency range of transducer ............................................................................................. 4.125
Data sets containing transducer factors................................................................................ 4.125
Field-Strength Measurement with Isotropic Antenna ............................................................. 4.126
Connecting the antenna to the R&S FSH.............................................................................. 4.126
Measurement of the resultant field strength in a transm. channel with large bandwidth...... 4.128
Saving and Loading Instrument Settings and Measurement Results................................... 4.135
Saving results........................................................................................................................ 4.136
Entering a data set name ...................................................................................................... 4.137
Loading measurement results............................................................................................... 4.137
Deleting saved data sets ....................................................................................................... 4.138
Deleting all data sets ............................................................................................................. 4.139
Printing out Measurement Results............................................................................................ 4.140
Measurements ............................................................................................................................. 4.141
How a spectrum analyzer operates....................................................................................... 4.141

R&S®FSH3 and R&S®FSH6 Data Sheet
1145.5973.12 TI.1 E-11
Specifications
Specifications are valid under the following conditions: 15 minutes warm-up time at ambient
temperature, specified environmental conditions met and calibration cycle adhered to. Data without
tolerances: typical values. Data designated as "nominal": design parameters, i.e. not tested.
Specification Condition R&S®FSH3 R&S®FSH6
Frequency
Frequency range 100 kHz to 3 GHz 100 kHz to 6 GHz
Reference frequency
Aging 1 ppm/year
Temperature drift 0 °C to 30 °C
30 °C to 50 °C
2 ppm
in addition 2 ppm/10 °C
Frequency counter
Resolution 1 Hz
Frequency span 0 Hz, 100 Hz to 3 GHz 0 Hz, 100 Hz to 6 GHz
Spectral purity
SSB phase noise f = 500 MHz,
20 °C to 30 °C
30 kHz from carrier <85 dBc (1 Hz)
100 kHz from carrier <100 dBc (1 Hz)
1 MHz from carrier <120 dBc (1 Hz)
Sweep time span = 0 Hz 1 ms to 100 s
span > 0 Hz 20 ms to 1000 s, min. 20 ms/600 MHz
Bandwidths
Resolution bandwidths
(-3 dB)
1145.5850.13 1, 3, 10, 30,100, 200, 300 kHz, 1 MHz
1145.5850.03, .23,
1145.5850.06, .26
in addition 100 Hz, 300 Hz
Tolerance ≤300 kHz ±5 %, nominal
1 MHz ±10 %, nominal
Resolution bandwidths
(-6 dB)
with option R&S®FSH-K3
installed
in addition 200 Hz, 9 kHz, 120 kHz
Video bandwidths 10 Hz to 1 MHz in 1, 3 steps
Amplitude
Display range average noise level displayed to +20 dBm
Maximum permissible DC
voltage at RF input
50 V/ 80 V 1)
Maximum power 20 dBm, 30 dBm (1 W) for max. 3 minutes
Intermodulation-free dynamic
range
third-order IM products,
2 x -20 dBm, reference
level = -10 dBm
typ. 66 dB
(+13 dBm third-order intercept)
180 V valid as of serial number 100900 (model 1145.5850.03) or 101600 (model 1145.5850.13); models 1145.5850.23, 1145.5850.06 and .26 all serial numbers.

Data Sheet R&S®FSH3 and R&S®FSH6
1145.5973.12 TI.2 E-11
Specification Condition R&S®FSH3 R&S®FSH6
Displayed average noise level
10 MHz to 3 GHz
3 GHz to 5 GHz
5 GHz to 6 GHz
average value,
resolution bandwidth 1 kHz,
video bandwidth 10 Hz,
reference level ≤-30 dBm
<-105 dBm,
typ. -114 dBm
<-105 dBm,
typ. -112 dBm
<-103 dBm,
typ. -108 dBm
<-96 dBm,
typ. -102 dBm
With preamplifier
10 MHz to 2.5 GHz
2.5 GHz to 3 GHz
3 GHz to 5 GHz
5 GHz to 6 GHz
only models
1145.5850.032),
1145.5850.23,
1145.5850.06 and
1145.5850.26
<-120 dBm,
typ. -125 dBm
<-115 dBm,
typ. -120 dBm
<-120 dBm,
typ. –125 dBm
<-115 dBm,
typ. -120 dBm
<-115 dBm,
typ. -120 dBm
<-105 dBm,
typ. -110 dBm
Inherent spurious reference level ≤-20 dBm,
f > 30 MHz,
RBW ≤100 kHz
<-80 dBm <-80 dBm
Input related spurious
Up to 3 GHz
3 GHz to 6 GHz
Signal frequency minus
2.0156 GHz for signal
frequencies 2 GHz to 3.2 GHz
mixer level -40 dBm,
carrier offset > 1 MHz
<-70 dBc (nominal)
typ. <-55 dBc
<-70 dBc (nominal)
<-64 dBc (nominal)
typ. <-55 dBc
2nd harmonic mixer level -40 dBm typ. <-60 dBc typ. <-60 dBc
Level display
Reference level -80 dBm to +20 dBm in steps of 1 dB
Display range 100 dB, 50 dB, 20 dB, 10 dB, linear
Display units
Logarithmic
Linear
dBm, dBµV, dBmV
with transducer also dBµV/m and dBµA/m
µV, mV, V, nW, µW, mW, W
with transducer also V/m, mV/m, µV/m and W/m2
Traces 1 trace and 1 memory trace
Detectors auto peak, maximum peak, minimum peak,
sample, RMS
with option R&S®FSH-K3
installed
in addition average and quasi-peak
Level measurement error frequency > 1 MHz,
at reference level down to
-50 dB, 20 °C to 30 °C
<1.5 dB, typ. 0.5 dB
2As of serial number 100900 and firmware version 6.0 or higher.

R&S®FSH3 and R&S®FSH6 Data Sheet
1145.5973.12 TI.3 E-11
Specification Condition R&S®FSH3 R&S®FSH6
Markers
Number of markers or delta
markers max. 6
Marker functions peak, next peak, minimum,
center = marker frequency,
reference level = marker level, all markers to peak
Marker displays normal (level), noise marker, frequency counter
(count)
Trigger free-running, video, external
Audio demodulation AM (video voltage without AGC) and FM
Inputs
RF input N female
Input impedance 50 Ω
VSWR 10 MHz to 3 GHz
10 MHz to 6 GHz
typ. 1.5
typ. 1.5
Trigger/external reference input BNC female, selectable
Trigger voltage TTL
Reference frequency 10 MHz
Required level from 50 Ω 10 dBm
Outputs
AF output 3.5 mm mini jack
Output impedance
Open-circuit voltage
100 Ω
adjustable up to 1.5 V
Tracking generator only models 145.5850.13,
1145.5850.23 and
1145.5850.26
Frequency range 5 MHz to 3 GHz 5 MHz to 6 GHz
Output level model 1145.5850.13
model 1145.5850.23
model 1145.5850.26
f < 3 GHz
f > 3 GHz
-20 dBm (nominal)
0 dBm/-20 dBm,
selectable
-10 dBm (nominal)
-20 dBm (nominal)
Output impedance 50 Ω, nominal
Interfaces
RS-232-C optical interface
Baud rate 1200, 2400, 9600, 19200, 38400, 57600, 115200
baud
Power sensor 7-contact female connector (type Binder 712)

Data Sheet R&S®FSH3 and R&S®FSH6
1145.5973.12 TI.4 E-11
Accessories
Power Sensors R&S®FSH-Z1 and R&S®FSH-Z18
Frequency range
R&S®FSH-Z1
10 MHz to 8 GHz
R&S®FSH-Z18 10 MHz to 18 GHz
VSWR
10 MHz to 30 MHz
30 MHz to 2.4 GHz
2.4 GHz to 8 GHz
8 GHz to 18 GHz
<1.15
<1.13
<1.20
<1.25
Maximum input power average power
peak power
(<10 µs, 1% duty cycle)
400 mW (+26 dBm)
1 W (+30 dBm)
Measurement range 200 pW to 200 mW (-67 dBm to +23 dBm)
Signal weighting average power
Effect of harmonics
Effect of modulation
<0.5 % (0.02 dB) at harmonic ratio of 20 dB
<1.5 % (0.07 dB) for continuous digital modulation
Absolute measurement
uncertainty
sine signals,
no zero offset
10 MHz to 8 GHz
8 GHz to 18 GHz
15 °C to 35 °C
0 °C to 50 °C
15 °C to 35 °C
0 °C to 50 °C
<2.3 % (0.10 dB)
<4.2 % (0.18 dB)
<3.5 % (0.15 dB)
<5.0 % (0.21 dB)
Zero offset after zeroing <110 pW
Dimensions 48 mm x 31 mm x 170 mm, connecting cable 1.5 m
Weight <0.3 kg
Directional Power Sensor R&S®FSH-Z14
Frequency range 25 MHz to 1 GHz
Power measurement range 30 mW to 300 W
VSWR referenced to 50 Ω<1.06
Power-handling capacity depending on temperature
and matching
(see diagram below)
100 W to 1000 W
Insertion loss <0.06 dB
Directivity >30 dB
Average power
Power measurement range
CW, FM, PM, FSK, GMSK
Modulated signals
CF: ratio of peak envelope
power to average power
30 mW to 300 W
30 mW to 300 W/CF
Measurement uncertainty
25 MHz to 40 MHz
40 MHz to 1 GHz
sine signal,
18 °C to 28 °C, no zero
offset
4.0 % of measured value (0.17 dB)
3.2 % of measured value (0.14 dB)
Zero offset after zeroing ±4 mW

R&S®FSH3 and R&S®FSH6 Data Sheet
1145.5973.12 TI.5 E-11
Range of typical
measurement error with
modulation
FM, PM, FSK, GMSK
AM (80 %)
2 CW carriers with identical
power
EDGE, TETRA
*) if standard is selected
on the R&S®FSH
0 % of measured value (0 dB)
±3 % of measured value (±0.13 dB)
±2 % of measured value (±0.09 dB)
±0.5 % of measured value (±0.02 dB) *)
Temperature coefficient
25 MHz to 40 MHz
40 MHz to 1 GHz
0.40 %/K (0.017 dB/K)
0.25 %/K (0.011 dB/K)
Peak envelope power
Power measurement range
Video bandwidth 4 kHz
200 kHz
600 kHz
0.4 W to 300 W
1 W to 300 W
2 W to 300 W
Measurement uncertainty 18 °C to 28 °C same as for average power plus effect of peak hold
circuit
Error limits of peak hold
circuit for burst signals
Duty cycle ≥0.1 and
repetition rate ≥100/s
20/s ≤repetition rate <100/s
0.001 ≤duty cycle < 0.1
video bandwidth 4 kHz
200 kHz
600 kHz
±(3 % of measured value + 0.05 W) starting from a
burst width of 200 µs
±(3 % of measured value + 0.20 W) starting from a
burst width of 4 µs
±(7 % of measured value + 0.40 W) starting from a
burst width of 2 µs
plus ±(1.6 % of measured value + 0.15 W)
plus ±0.10 W
Temperature coefficient
25 MHz to 40 MHz
40 MHz to 1 GHz
0.50 %/K (0.022 dB/K)
0.35 %/K (0.015 dB/K)
Load matching
Matching measurement range
Return loss
VSWR
0 dB to 23 dB
>1.15
Minimum forward power specs met from 0.4 W 0.06 W
Error limits for matching
measurements

Data Sheet R&S®FSH3 and R&S®FSH6
1145.5973.12 TI.6 E-11
Power-handling capacity
Dimensions 120 mm x 95 mm x 39 mm, connecting cable 1.5 m
Weight 0.65 kg

R&S®FSH3 and R&S®FSH6 Data Sheet
1145.5973.12 TI.7 E-11
Directional Power Sensor R&S®FSH-Z44
Frequency range 200 MHz to 4 GHz
Power measurement range 30 mW to 300 W
VSWR referenced to 50 Ω
200 MHz to 3 GHz
3 GHz to 4 GHz
<1.07
<1.12
Power-handling capacity depending on temperature
and matching
(see diagram below)
120 W to 1000 W
Insertion loss
200 MHz to 1.5 GHz
1.5 GHz to 4 GHz
<0.06 dB
<0.09 dB
Directivity
200 MHz to 3 GHz
3 GHz to 4 GHz
>30 dB
>26 dB
Average power
Power measurement range
CW, FM, PM, FSK, GMSK
3GPP WCDMA,
cdmaOne, CDMA2000,
DAB, DVB-T
Other modulated signals
CF: ratio of peak envelope
power to average power
30 mW to 300 W
30 mW to 120 W
30 mW to 300 W/CF
Measurement uncertainty
200 MHz to 300 MHz
300 MHz to 4 GHz
sine signal,
18 °C to 28 °C, no zero
offset
4.0 % of measured value (0.17 dB)
3.2 % of measured value (0.14 dB)
Zero offset after zeroing ±4 mW
Range of typical measure-
ment error with modulation
FM, PM, FSK, GMSK
AM (80 %)
2 CW carriers with identical
power
π/4-DQPSK
EDGE
cdmaOne, DAB
3GPP WCDMA, CDMA2000
DVB-T
*) if standard is selected
on the R&S®FSH
0 % of measured value (0 dB)
±3 % of measured value (±0.13 dB)
±2 % of measured value (±0.09 dB)
±2 % of measured value (±0.09 dB)
±0.5 % of measured value (±0.02 dB) *)
±1 % of measured value (±0.04 dB) *)
±2 % of measured value (±0.09 dB) *)
±2 % of measured value (±0.09 dB) *)
Temperature coefficient
200 MHz to 300 MHz
300 MHz to 4 GHz
0.40 %/K (0.017 dB/K)
0.25 %/K (0.011 dB/K)
Peak envelope power
Power measurement range
DAB, DVB-T, cdmaOne,
CDMA2000, 3GPP WCDM
A
Other signals at
video bandwidth 4 kHz
200 kHz
4 MHz
4 W to 300 W
0.4 W to 300 W
1 W to 300 W
2 W to 300 W

Data Sheet R&S®FSH3 and R&S®FSH6
1145.5973.12 TI.8 E-11
Measurement uncertainty 18 °C to 28 °C same as for average power plus effect of peak hold
circuit
Error limits of peak hold
circuit for burst signals
Duty cycle ≥0.1 and
repetition rate ≥100/s
20/s ≤repetition rate <
100/s
0.001 ≤duty cycle < 0.1
Burst width ≥0.5 µs
Burst width ≥0.2 µs
video bandwidth 4 kHz
200 kHz
4 MHz
±(3 % of measured value + 0.05 W) starting from a
burst width of 100 µs
±(3 % of measured value + 0.20 W) starting from a
burst width of 4 µs
±(7 % of measured value + 0.40 W) starting from a
burst width of 1 µs
plus ±(1.6 % of measured value + 0.15 W)
plus ± 0.10 W
plus ± 5 % of measured value
plus ± 10 % of measured value
Range of typical measure-
ment error of peak hold
circuit for
cdmaOne, DAB
DVB-T, CDMA2000,
3GPP WCDMA
video bandwidth 4 MHz
and standard selected on
the R&S®FSH
±(5% of measured value + 0.4 W)
±(15% of measured value + 0.4 W)
Temperature coefficient
200 MHz to 300 MHz
300 MHz to 4 GHz
0.50 %/K (0.022 dB/K)
0.35 %/K (0.015 dB/K)
Load matching
Matching measurement range
Return loss
200 MHz to 3 GHz
3 GHz to 4 GHz
VSWR
200 MHz to 3 GHz
3 GHz to 4 GHz
0 dB to 23 dB
0 dB to 20 dB
>1.15
>1.22
Minimum forward power specs met from 0.2 W 0.03 W
Error limits for matching
measurements
dB
0510
15 20 25
Return loss
0.2 GHz to 3 GHz
3 GHz to 4 GHz
-4
-2
0
2
4
6
Measurement error
dB

R&S®FSH3 and R&S®FSH6 Data Sheet
1145.5973.12 TI.9 E-11
Power-handling capacity
PEAK (max 10 ms), SWR < 3
AVG -10 °C to 35 °C
SWR <1.5
Forward power
Frequency
0,2 0,4 0,7 123 4 GHz
100
200
400
600
800
1000
AVG -10 °C to 35 °C
SWR <3
AVG 35 °C to 50 °C
SWR <3
Dimensions 120 mm x 95 mm x 39 mm, connecting cable 1.5 m
Weight 0.65 kg

Data Sheet R&S®FSH3 and R&S®FSH6
1145.5973.12 TI.10 E-11
VSWR Bridge R&S®FSH-Z2 / R&S®FSH-Z3
R&S®FSH-Z2 R&S®FSH-Z3
Frequency range 10 MHz bis 3 GHz 10 MHZ bis 3 GHz
Impedance 50 
VSWR bridge
Directivity
10 MHz to 30 MHz
30 MHz to 1 GHz
1 GHz to 3 GHz
3 GHz to 6 GHz
typ. 30 dB
typ. 30 dB
typ. 25 dB
-
typ. 16 dB
>20 dB, typ. 28 dB
>20 dB, typ. 28 dB
>18 dB, typ. 25 dB
Directivity, corrected
2 MHz to 10 MHz
10 MHz to 3 GHz
3 GHz to 6 GHz
option R&S®FSH-K2
typ. 40 dB
typ. 43 dB
-
typ. 40 dB
typ. 40 dB
typ. 37 dB
Return loss at test port
10 MHz to 50 MHz
50 MHz to 3 GHz
3 GHz to 6 GHz
typ. 20 dB
typ. 20 dB
-
>12 dB, typ. 18 dB
>16 dB, typ. 22 dB
>16 dB , typ. 22 dB
Return loss at test port,
corrected
2 MHz to 3 GHz
3 GHz to 6 GHz
option R&S®FSH-K2
typ. 35 dB
-
typ. 40 dB
typ. 37 dB
Insertion loss
Test port
Bypass
typ. 9 dB
-
typ. 9 dB
typ. 4 dB
DC Bias -
Max. input voltage - 50 V
Max. input current - 300 mA
Type of connector - BNC female
Connectors
Generator input/RF output Nmale
Test port N female
Control interface 7-contact connector (type Binder)
General data
Power consumption - 3 mW (nominal)
Dimensions (W x H x D) 169 mm x 116 mm x
30 mm
149 mm x 144 mm x
45 mm
Weight 485 g 620 g
Calibration standards R&S®FSH-Z29
R&S®FSH-Z30/-Z31
R&S®FSH-Z28
Short/open Nmale
50 load N male
Impedance 50 

R&S®FSH3 and R&S®FSH6 Data Sheet
1145.5973.12 TI.11 E-11
Return loss
> 43 dB
-
> 40 dB, typ. 46 dB
> 37 dB, typ. 43 dB
Power-handling capacity 1 W 1W
Distance-to-Fault Measurement R&S®FSH-B1
(only with R&S®FSH3 models 1145.5850.13, 1145.5850.23 and R&S®FSH6 model 1145.5850.26)
Display 301 pixels
Maximum resolution, distance
to fault
maximum zoom cable length/1023 pixels
Display range
Return loss
VSWR
10, 5, 2, 1 dB/div, linear
1 to 2 and 1 to 6, with option R&S®FSH-K2 in
addition
1 to 1.2 and 1 to 1.5
Cable length depending on cable loss 3 m to max. 1000 m
Maximum permissible spurious
signal
1st mixer 1 dB compression point typ. +10 dBm
IF overload at reference level typ. + 8 dB