Rohde & Schwarz SGT100A User manual

R&S®SGT100A
SGMA Vector RF Source
Getting Started
1419457602
Version 10
(>C]Ú2)

This manual describes R&S®SGT100A, stock no. 1419.4501.02 and its options.
© 2022 Rohde & Schwarz GmbH & Co. KG
Muehldorfstr. 15, 81671 Muenchen, Germany
Phone: [phone] - 0
Email: [email protected]
Internet: www.rohde-schwarz.com
Subject to change – data without tolerance limits is not binding.
R&S® is a registered trademark of Rohde & Schwarz GmbH & Co. KG.
All other trademarks are the properties of their respective owners.
1419.4576.02 | Version 10 | R&S®SGT100A
Throughout this manual, products from Rohde & Schwarz are indicated without the ® symbol, e.g.
R&S®SGT100A indicated as R&S SGT.

Contents
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Contents
1 Safety and regulatory information....................................... 5
1.1 Safety instructions................................................................................5
1.2 Labels on R&S SGT.............................................................................. 8
1.3 Warning messages in the documentation.......................................... 8
1.4 Korea certification class A...................................................................9
2 Key features......................................................................... 10
3 Documentation overview.................................................... 11
3.1 Getting started manual....................................................................... 11
3.2 User manual and help.........................................................................11
3.3 Service manual....................................................................................12
3.4 Instrument security procedures........................................................ 12
3.5 Basic safety instructions................................................................... 12
3.6 Data sheets and brochures................................................................12
3.7 Release notes and open source acknowledgment (OSA)...............13
3.8 Application notes, application cards, white papers, etc................. 13
4 Preparing for use................................................................. 14
4.1 Lifting and carrying............................................................................ 14
4.2 Unpacking and checking....................................................................14
4.3 Choosing the operating site.............................................................. 14
4.4 Setting up the R&S SGT..................................................................... 15
4.5 Considerations for test setup............................................................ 17
4.6 Connecting to power.......................................................................... 18
4.7 Connecting to LAN............................................................................. 19
4.8 Connecting to RF 50Ω........................................................................ 19

Contents
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4.9 Connecting to non-screwable connectors....................................... 21
4.10 Switching on or off............................................................................. 21
4.11 Checking default settings.................................................................. 24
4.12 Working with Linux operating system.............................................. 24
4.13 Connecting an external PC and devices...........................................25
5 Instrument tour.................................................................... 33
5.1 Front panel tour.................................................................................. 33
5.2 Rear panel tour....................................................................................35
5.3 Connector extension unit (R&S SGT-B88)........................................38
6 Trying out the instrument................................................... 41
6.1 How to generate a CW signal.............................................................42
6.2 How to create and load a waveform file............................................43
7 Instrument control............................................................... 50
7.1 Manual operation via R&S SGMA-GUI.............................................. 50
7.2 Network operation and remote control.............................................53
8 Contacting customer support............................................ 64
Index..................................................................................... 65

Safety and regulatory information
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1 Safety and regulatory information
The product documentation helps you use the product safely and efficiently. Fol-
low the instructions provided here and in the following chapters.
Intended use
The product is intended for the development, production and verification of elec-
tronic components and devices in industrial, administrative, and laboratory envi-
ronments. Use the product only for its designated purpose. Observe the operating
conditions and performance limits stated in the data sheet.
Where do I find safety information?
Safety information is part of the product documentation. It warns you of potential
dangers and gives instructions on how to prevent personal injury or damage
caused by dangerous situations. Safety information is provided as follows:
●In Chapter 1.1, "Safety instructions", on page 5. The same information is
provided in many languages as printed "Safety Instructions". The printed
"Safety Instructions" are delivered with the product.
●Throughout the documentation, safety instructions are provided when you
need to take care during setup or operation.
1.1 Safety instructions
Products from the Rohde & Schwarz group of companies are manufactured
according to the highest technical standards. To use the products safely, follow
the instructions provided here and in the product documentation. Keep the prod-
uct documentation nearby and offer it to other users.
Use the product only for its intended use and within its performance limits. Inten-
ded use and limits are described in the product documentation such as the data
sheet, manuals and the printed "Safety Instructions". If you are unsure about the
appropriate use, contact Rohde & Schwarz customer service.
Using the product requires specialists or specially trained personnel. These users
also need sound knowledge of at least one of the languages in which the user
interfaces and the product documentation are available.
Safety instructions

Safety and regulatory information
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6Getting Started 1419.4576.02 ─ 10
Never open the casing of the product. Only service personnel authorized by
Rohde & Schwarz are allowed to repair the product. If any part of the product is
damaged or broken, stop using the product. Contact Rohde & Schwarz customer
service at http://www.customersupport.rohde-schwarz.com.
Lifting and carrying the product
The maximum weight of the product is provided in the data sheet. To move the
product safely, you can use lifting or transporting equipment such as lift trucks
and forklifts. Follow the instructions provided by the equipment manufacturer.
Choosing the operating site
Only use the product indoors. The product casing is not waterproof. Water that
enters can electrically connect the casing with live parts, which can lead to elec-
tric shock, serious personal injury or death if you touch the casing. If
Rohde & Schwarz provides accessories designed for your product, e.g. a carrying
bag, you can use the product outdoors.
Unless otherwise specified, you can operate the product up to an altitude of
2000 m above sea level. The product is suitable for pollution degree 2 environ-
ments where nonconductive contamination can occur. For more information on
environmental conditions such as ambient temperature and humidity, see the
data sheet.
Setting up the product
Always place the product on a stable, flat and level surface with the bottom of the
product facing down. If the product is designed for different positions, secure the
product so that it cannot fall over.
If the product has foldable feet, always fold the feet completely in or out to ensure
stability. The feet can collapse if they are not folded out completely or if the prod-
uct is moved without lifting it. The foldable feet are designed to carry the weight of
the product, but not an extra load.
If stacking is possible, keep in mind that a stack of products can fall over and
cause injury.
If you mount products in a rack, ensure that the rack has sufficient load capacity
and stability. Observe the specifications of the rack manufacturer. Always install
the products from the bottom shelf to the top shelf so that the rack stands
securely. Secure the product so that it cannot fall off the rack.
Safety instructions

Safety and regulatory information
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Connecting to power
The product is an overvoltage category II product. Connect the product to a fixed
installation used to supply energy-consuming equipment such as household
appliances and similar loads. Keep in mind that electrically powered products
have risks, such as electric shock, fire, personal injury or even death.
Take the following measures for your safety:
●Before switching on the product, ensure that the voltage and frequency indica-
ted on the product match the available power source. If the power adapter
does not adjust automatically, set the correct value and check the rating of the
fuse.
●Only use the power cable delivered with the product. It complies with country-
specific safety requirements. Only insert the plug into an outlet with protective
conductor terminal.
●Only use intact cables and route them carefully so that they cannot be dam-
aged. Check the power cables regularly to ensure that they are undamaged.
Also ensure that nobody can trip over loose cables.
●If the product needs an external power supply, use the power supply that is
delivered with the product or that is recommended in the product documenta-
tion or a power supply that conforms to the country-specific regulations.
●Only connect the product to a power source with a fuse protection of maxi-
mum 20 A.
●Ensure that you can disconnect the product from the power source at any
time. Pull the power plug to disconnect the product. The power plug must be
easily accessible. If the product is integrated into a system that does not meet
these requirements, provide an easily accessible circuit breaker at the system
level.
Cleaning the product
Use a dry, lint-free cloth to clean the product. When cleaning, keep in mind that
the casing is not waterproof. Do not use liquid cleaning agents.
Meaning of safety labels
Safety labels on the product warn against potential hazards.
Safety instructions

Safety and regulatory information
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Potential hazard
Read the product documentation to avoid personal injury or product damage.
Electrical hazard
Indicates live parts. Risk of electric shock, fire, personal injury or even death.
Hot surface
Do not touch. Risk of skin burns. Risk of fire.
Protective conductor terminal
Connect this terminal to a grounded external conductor or to protective ground. This
connection protects you against electric shock if an electric problem occurs.
1.2 Labels on R&S SGT
Labels on the casing inform about:
●Personal safety, see "Connecting to power" on page 7.
●Product and environment safety, see Table 1-1.
●Identification of the product, see the serial number on the rear panel.
Table 1-1: Labels regarding R&S SGT and environment safety
Labeling in line with EN 50419 for disposal of electrical and electronic equipment after
the product has come to the end of its service life. For more information, see the prod-
uct user manual, chapter "Disposal".
1.3 Warning messages in the documentation
A warning message points out a risk or danger that you need to be aware of. The
signal word indicates the severity of the safety hazard and how likely it will occur
if you do not follow the safety precautions.
WARNING
Potentially hazardous situation. Could result in death or serious injury if not avoi-
ded.
Warning messages in the documentation

Safety and regulatory information
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CAUTION
Potentially hazardous situation. Could result in minor or moderate injury if not
avoided.
NOTICE
Potential risks of damage. Could result in damage to the supported product or to
other property.
1.4 Korea certification class A
이 기기는 업무용(A급) 전자파 적합기기로서 판매자 또는 사용자는 이 점을 주의하
시기 바라며, 가정외의 지역에서 사용하는 것을 목적으로 합니다.
Korea certification class A

Key features
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2 Key features
The key features of the R&S SGT include the following:
●Compact size and low power consumption
●Remote connection via PCI Express, minimizing the setup time
Alternatively, LAN or USB connections available
●Coherent LO input and output connectors, also usable as MIMO input/output
and phase coherent I/Q demodulation
●Linux operating system
●Graphical user interface R&S SGMA-GUI to set up and control one or more
R&S SGT instruments simultaneously from one remote computer, available
for Windows and Linux systems

Documentation overview
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3 Documentation overview
This section provides an overview of the R&S SGT user documentation. Unless
specified otherwise, you find the documents on the R&S SGT product page at:
www.rohde-schwarz.com/manual/sgt100a
3.1 Getting started manual
Introduces the R&S SGT and describes how to set up and start working with the
product. Includes basic operations, typical measurement examples, and general
information, e.g. safety instructions, etc. A printed version is delivered with the
instrument.
3.2 User manual and help
Separate manuals for the base unit and the software options are provided for
download:
●Base unit manual
Contains the description of all instrument modes and functions. It also pro-
vides an introduction to remote control, a complete description of the remote
control commands with programming examples, and information on mainte-
nance, instrument interfaces and error messages. Includes the contents of the
getting started manual.
●Software option manual
Contains the description of the specific functions of an option. Basic informa-
tion on operating the R&S SGT is not included.
The contents of the user manuals are available as help in the R&S SGT. The help
offers quick, context-sensitive access to the complete information for the base
unit and the software options.
All user manuals are also available for download or for immediate display on the
Internet.
User manual and help

Documentation overview
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3.3 Service manual
Describes the performance test for checking the rated specifications, module
replacement and repair, firmware update, troubleshooting and fault elimination,
and contains mechanical drawings and spare part lists.
The service manual is available for registered users on the global
Rohde & Schwarz information system (GLORIS, https://gloris.rohde-
schwarz.com).
3.4 Instrument security procedures
Deals with security issues when working with the R&S SGT in secure areas. It is
available for download on the Internet.
3.5 Basic safety instructions
Contains safety instructions, operating conditions and further important informa-
tion. The printed document is delivered with the instrument.
3.6 Data sheets and brochures
The data sheet contains the technical specifications of the R&S SGT. It also lists
the options and their order numbers and optional accessories.
The brochure provides an overview of the instrument and deals with the specific
characteristics.
See www.rohde-schwarz.com/brochure-datasheet/sgt100a
Data sheets and brochures

Documentation overview
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3.7 Release notes and open source acknowledg-
ment (OSA)
The release notes list new features, improvements and known issues of the cur-
rent firmware version, and describe the firmware installation.
The open source acknowledgment document provides verbatim license texts of
the used open source software.
See www.rohde-schwarz.com/firmware/sgt100a
3.8 Application notes, application cards, white
papers, etc.
These documents deal with special applications or background information on
particular topics.
See www.rohde-schwarz.com/application/sgt100a.
Application notes, application cards, white papers, etc.

Preparing for use
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4 Preparing for use
Here, you can find basic information about setting up the product for the first time.
4.1 Lifting and carrying
See also "Lifting and carrying the product" on page 6.
► Use the carrying handles at the side for lifting and carrying the R&S SGT.
The handles at the front are only for pushing and pulling the instrument when
mounting in a rack, see Chapter 4.4.2, "Mounting the R&S SGT in a rack",
on page 16.
4.2 Unpacking and checking
1. Unpack the R&S SGT carefully.
2. Retain the original packing material. Use it to protect the control elements and
connectors when transporting or shipping the R&S SGT later.
See also chapter "Transporting" in the user manual.
3. Using the delivery notes, check the equipment for completeness.
4. Check the equipment for damage.
If the delivery is incomplete or equipment is damaged, contact
Rohde & Schwarz.
4.3 Choosing the operating site
Specific operating conditions ensure proper operation and avoid damage to the
product and connected devices. For information on environmental conditions
such as ambient temperature and humidity, see the data sheet.
See also "Choosing the operating site" on page 6.
Choosing the operating site

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Electromagnetic compatibility classes
The electromagnetic compatibility (EMC) class indicates where you can operate
the product. The EMC class of the product is given in the data sheet.
●Class B equipment is suitable for use in:
– Residential environments
– Environments that are directly connected to a low-voltage supply network
that supplies residential buildings
●Class A equipment is intended for use in industrial environments. It can cause
radio disturbances in residential environments due to possible conducted and
radiated disturbances. It is therefore not suitable for class B environments.
If class A equipment causes radio disturbances, take appropriate measures to
eliminate them.
4.4 Setting up the R&S SGT
See also:
●"Setting up the product" on page 6
●"Intended use" on page 5
4.4.1 Placing the R&S SGT on a bench top
To place the product on a bench top
1. Place the product on a stable, flat and level surface. Ensure that the surface
can support the weight of the product. For information on the weight, see the
data sheet.
2. WARNING! A stack of products can fall over and cause injury. Never stack
more than three products on top of each other. Instead, mount them in a rack.
Stack as follows:
● If the products have foldable feet, fold them in completely.
● It is best if all products have the same dimensions (width and length). If the
products have different dimensions, stack according to size and place the
smallest product on top.
Setting up the R&S SGT

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● Do not exceed the permissible total load placed on the product at the bot-
tom of the stack:
– 50 kg when stacking products of identical dimensions (left figure).
– 25 kg when stacking smaller products on top (middle figure).
Left = Stacked correctly, same dimensions
Middle = Stacked correctly, different dimensions
Right = Stacked incorrectly, too many products
3. NOTICE! Overheating can damage the product.
Prevent overheating as follows:
● Keep a minimum distance of 10 cm between the fan openings of the prod-
uct and any object in the vicinity.
● Do not place the product next to heat-generating equipment such as radia-
tors or other products.
4.4.2 Mounting the R&S SGT in a rack
To prepare the rack
1. Observe the requirements and instructions in "Setting up the product"
on page 6.
2. NOTICE! Insufficient airflow can cause overheating and damage the product.
Design and implement an efficient ventilation concept for the rack.
To mount the R&S SGT in a rack
1. Use an adapter kit that fits the dimensions of the R&S SGT to prepare the
instrument for rack mounting.
a) Order the rack adapter kit designed for the R&S SGT. For the order num-
ber, see data sheet.
Setting up the R&S SGT

Preparing for use
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b) Mount the adapter kit. Follow the assembly instructions provided with the
adapter kit.
2. Push the R&S SGT onto the shelf until the rack brackets fit closely to the rack.
3. Tighten all screws at the rack brackets with a tightening torque of 1.2 Nm to
secure the R&S SGT in the rack.
To unmount the R&S SGT from a rack
1. Loosen the screws at the rack brackets.
2. Remove the R&S SGT from the rack.
3. If placing the R&S SGT on a bench top again, unmount the adapter kit from
the R&S SGT. Follow the instructions provided with the adapter kit.
4.5 Considerations for test setup
Cable selection and electromagnetic interference (EMI)
Electromagnetic interference (EMI) can affect the measurement results.
To suppress electromagnetic radiation during operation:
●Use high-quality shielded cables, especially for the following connector types:
– SMA/SMB
Double-shielded SMA/SMB cables.
How to: Chapter 4.8, "Connecting to RF 50Ω", on page 19
– USB
Double-shielded USB cables.
How to: Chapter 4.13.4, "Connecting a controller via USB", on page 31.
– LAN
At least CAT6 STP cables.
How to: Chapter 4.7, "Connecting to LAN", on page 19
●Always terminate open cable ends.
●Ensure that connected external devices comply with EMC regulations.
●Use cables of the same type and equal length for connection to the I/Q and
I/Q Bar interfaces of the instrument.
Considerations for test setup

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●Use the cable R&S SMU-Z6 for connection to the "DIG I/Q" interface of the
instrument. The cable is available under material number 1415.0201.02.
Signal input and output levels
Information on signal levels is provided in the data sheet. Keep the signal levels
within the specified ranges to avoid damage to the R&S SGT and connected devi-
ces.
Preventing electrostatic discharge (ESD)
Electrostatic discharge is most likely to occur when you connect or disconnect a
DUT.
►NOTICE! Electrostatic discharge can damage the electronic components of
the product and the device under test (DUT).
Ground yourself to prevent electrostatic discharge damage:
a) Use a wrist strap and cord to connect yourself to ground.
b) Use a conductive floor mat and heel strap combination.
4.6 Connecting to power
For safety information, see "Connecting to power" on page 7.
1. Plug the AC power cable into the AC power connector on the rear panel of the
instrument. Only use the AC power cable delivered with the R&S SGT.
2. Plug the AC power cable into a power outlet with ground contact.
The required ratings are listed next to the AC power connector and in the data
sheet.
There is no need to set the voltage manually or change fuses.
Connecting to power

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4.7 Connecting to LAN
Network environment
Before connecting the product to a local area network (LAN), consider the follow-
ing:
●Install the latest firmware to reduce security risks.
●For internet or remote access, use secured connections if applicable.
●Ensure that the network settings comply with the security policies of your com-
pany. Contact your local system administrator or IT department before con-
necting your product to your company LAN.
●When connected to the LAN, the product may potentially be accessed from
the internet, which may be a security risk. For example, attackers might mis-
use or damage the product.
To connect to LAN
The connector is on the rear panel.
► Connect the LAN socket via an RJ-45 cable to the LAN.
By default, the R&S SGT is configured to use DHCP (dynamic host configuration
protocol) and no static IP address is configured.
4.8 Connecting to RF 50Ω
The connector is on the rear panel.
Option R&S SGT-B88: The RF output connector is on the front panel.
To prepare for connecting to RF 50Ω
1. NOTICE! Damaged or not clean connections can lead to RF insertion loss
and mismatch, and even premature wear of the connectors.
Before connecting to the port, inspect the RF connector visually to check that
it is clean, undamaged and mechanically compatible.
See the application note 1MA99 for information on how to handle and main-
tain the RF port, to minimize measurement deviations and ensure its longevity.
Connecting to RF 50Ω

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2. NOTICE! Risk of instrument damage. Excessive reverse power or DC voltage
at the RF 50Ω connector can damage the instrument.
Make sure that the values do not exceed the reverse power and DC limits as
given in the data sheet.
3. If switched-on, deactivate the RF output of the R&S SGT, before connecting
an RF cable to the RF 50Ω connector.
On the front panel, press the [RF ON] key.
To connect to screwable connectors
Additional to the RF 50Ω connector, the following procedure holds for all screwa-
ble connectors of the R&S SGT. Screwable connectors include connector types
as listed in Table 4-1.
1. Use a high-quality cable that matches the connector type.
See "Cable selection and electromagnetic interference (EMI)" on page 17.
2. NOTICE! Risk of instrument damage and connector damage. Excessive tight-
ening can damage the cables and the connectors. However, if you do not
tighten the connectors enough, the measurement results can be inaccurate.
To connect the cable with the connector, proceed as follows:
a) Carefully align the connector of the cable and the connector along a com-
mon axis.
b) Mate the connectors along the common axis until the male pin of the inner
connector engages with the female socket of the outer connector.
c) Turn the nut of the outer connector until the connectors are firmly coupled.
d) Torque the nut to the specified limit using a calibrated torque wrench. Hold
the opposite connector part stationary with a spanner.
For torque limits of the most relevant connector types, see Table 4-1. For
more information, see chapter "Handling" of the application note 1MA99.
3. Torque the nut to the specified limit using a calibrated torque wrench. Hold the
opposite connector part stationary with a spanner.
Table 4-1: Connector types and torque limits
Type Torque limit Nut opening
lb-Inch Nm Inch mm
N 13.3 1.5 3/4 20
SMA, SMB 5 0.56 5/16 8
Connecting to RF 50Ω