English
Quick Guide
DSG3000B Series RF Signal
Generator
Aug. 2020
RIGOL TECHNOLOGIES CO., LTD.
RIGOL
DSG3000B Quick Guide 1
English
Guaranty and Declaration
Copyright
© 2020 RIGOL TECHNOLOGIES CO., LTD. All Rights Reserved.
Trademark Information
RIGOL® is the trademark of RIGOL TECHNOLOGIES CO., LTD.
Publication Number
QGG03100-1110
Notices
⚫ RIGOL products are covered by P.R.C. and foreign patents, issued and
pending.
⚫ RIGOL reserves the right to modify or change parts of or all the
specifications and pricing policies at the company’s sole decision.
⚫ Information in this publication replaces all previously released materials.
⚫ Information in this publication is subject to change without notice.
⚫ RIGOL shall not be liable for either incidental or consequential losses in
connection with the furnishing, use, or performance of this manual, as
well as any information contained.
⚫ Any part of this document is forbidden to be copied, photocopied, or
rearranged without prior written approval of RIGOL.
Product Certification
RIGOL guarantees that this product conforms to the national and industrial
standards in China as well as the ISO9001:2015 standard and the
ISO14001:2015 standard. Other international standard conformance
certifications are in progress.
Contact Us
If you have any problem or requirement when using our products or this
manual, please contact RIGOL.
E-mail: service@rigol.com
Website: www.rigol.com
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General Safety Summary
1. Only the exclusive power cord
designed for the instrument
and authorized for use within
the local country could be
used.
2. Ensure that the instrument is
safely grounded.
3. Observe all terminal ratings.
4. Use proper overvoltage
protection.
5. Do not operate without covers.
6. Do not insert objects into the
air outlet.
7. Use the proper fuse.
8. Avoid circuit or wire exposure.
9. Do not operate the instrument
with suspected failures.
10. Provide adequate ventilation.
11. Do not operate in wet conditions.
12. Do not operate in an explosive
atmosphere.
13. Keep instrument surfaces clean
and dry.
14. Prevent electrostatic impact.
15. Handle with caution.
Safety Notices and Symbols
Safety Notices in this Manual:
WARNING
Indicates a potentially hazardous situation or practice which, if not
avoided, will result in serious injury or death.
CAUTION
Indicates a potentially hazardous situation or practice which, if not
avoided, could result in damage to the product or loss of
important data.
Safety Terms on the Product:
DANGER
It calls attention to an operation, if not correctly performed,
could result in injury or hazard immediately.
WARNING
It calls attention to an operation, if not correctly performed,
could result in potential injury or hazard.
CAUTION
It calls attention to an operation, if not correctly performed,
could result in damage to the product or other devices
connected to the product.
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Safety Symbols on the Product:
Hazardous
Voltage
Safety
Warning
Protective Earth
Terminal
Chassis Ground
Test Ground
Care and Cleaning
Care
Do not store or leave the instrument where it may be exposed to direct sunlight
for long periods of time.
Cleaning
Clean the instrument regularly according to its operating conditions. WARNING
1. Disconnect the instrument from all power sources.
2. Clean the external surfaces of the instrument with a soft cloth dampened
with mild detergent or water. Avoid having any water or other objects into
the chassis via the heat dissipation hole. When cleaning the LCD, take
care to avoid scarifying it.
CAUTION
To avoid damage to the instrument, do not expose it to caustic
liquids.
WARNING
To avoid short-circuit resulting from moisture or personal injuries,
ensure that the instrument is completely dry before connecting it
to the power supply.
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Document Overview
This manual gives you a quick review about the basic information of DSG3000B
when you use it for the first time, including general inspection, product
overview, how to connect to power, turn-on checkout, remote control, and etc.
Tip
For the latest version of this manual, download it from the official website
of RIGOL (www.rigol.com).
Format Conventions in this Manual
1. Key
The key on the front panel is denoted by the format of "Key Name (Bold)
+ Text Box" in the manual. For example, FREQ denotes the FREQ key.
2. Menu
The menu items are denoted by the format of "Menu Word (Bold) +
Character Shading". For example, Frequency denotes the "Frequency"
menu item under FREQ.
3. Connector
The connectors on the front or rear panel are usually denoted by the
format of "Connector Name (Bold) + Square Brackets (Bold)". For
example, [RF OUTPUT 50Ω].
4. Operation Predures
The next step of the operation is denoted by an arrow "→" in the manual.
For example, FREQ → Frequency denotes pressing FREQ on the front
panel first and then pressing Frequency.
Content Conventions in this Manual
The DSG3000B series RF signal generator includes DSG3065B, DSG3065B-IQ,
DSG3136B, and DSG3136B-IQ. This manual takes DSG3136B-IQ as an example
to illustrate the functions and operation methods of DSG3000B series.
Manuals of this Product
Quick Guide, User Guide, Programming Guide, Data sheet, etc. For the latest
version of this manual, download it from the official website of RIGOL
(www.rigol.com).
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General Inspection
1． Inspect the packaging
If the packaging has been damaged, do not dispose the damaged
packaging or cushioning materials until the shipment has been checked
for completeness and has passed both electrical and mechanical tests.
The consigner or carrier shall be liable for the damage to the instrument
resulting from shipment. RIGOL would not be responsible for free
maintenance/rework or replacement of the instrument.
2． Inspect the instrument
In case of any mechanical damage, missing parts, or failure in passing the
electrical and mechanical tests, contact your RIGOL sales
representative.
3． Check the accessories
Please check the accessories according to the packing lists. If the
accessories are damaged or incomplete, please contact your RIGOL
sales representative.
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Product Overview
The DSG3000B series is a high-performance RF signal generator. It provides
comprehensive modulation solutions: AM/FM/ΦM analog modulation; pulse
modulation with user-defined pulse train; and I/Q modulation. All the
modulations support internal and external modulation sources. In addition, to
meet the demands of production environments, the DSG3000B series has
undergone a strict verification through the experiments in its design and
production stages to ensure its high stability and reliability. The DSG3000B
series also features a clear user interface, compact size and light weight. It is
easy to operate and can output stable, precise and pure signals. It is an ideal
tool in various fields such as communication, computers, instrumentation, R&D,
education, production and maintenance.
Front Panel Overview
The front panel of DSG3000B series RF signal generator is as shown in the
figure below. Click the number in the figure to view the corresponding
introduction.
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15
Figure 1 Front Panel
1. Restore to Preset Key
Restore the instrument to the preset state (factory
state or user-stored state).
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2. LCD Display
4.3-inch TFT high-resolution (480× 272) color LCD
display. The current settings and state of the instrument
can be clearly displayed. For detailed information, refer
to "User Interface".
3. Menu Control Keys
Quit the current menu and return to the previous
menu.
Menu softkey. Corresponds to the menu label at the
left of the softkey on the display. Press the softkey to
activate the corresponding menu.
Menu page up/down key.
4. Function Keys
Set the frequency, frequency offset and phase offset
of the RF output signal.
Set the amplitude and attenuation of the RF output
signal and provide the flatness calibration function.
Set the sweep type, sweep manner and sweep mode.
Set the parameters relating to amplitude modulation
(AM).
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Set the parameters relating to frequency modulation
(FM) and phase modulation (ΦM).
Set the parameters relating to pulse modulation and
pulse generator.
Set the parameters relating to I/Q modulation and
I/Q modulation source.
Set the parameters relating to LF output and other
extended functions.
Store and recall the instrument state, flatness
calibration data, sweep list and so on.
Set the system-related parameters.
5. Numeric Keyboard
The numeric keyboard supports Chinese characters, English uppercase
/lowercase characters, numbers and commonly used symbols (include the
decimal point, #, space and positive/negative sign+/-). It is mainly used
to edit the file or folder name or set parameters.
The multiplexing key of number and letter is used to directly input the
desired number or letter.
Used to switch among Chinese, English and number
input modes.
When setting parameters, the input mode is fixed at
number and this key is used to input the sign ("+" or
"-") of the value.
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In number input mode, press this key to input 1.
In English input mode, press this key to switch
between uppercase and lowercase letter input.
The multiplexing key of 0 and space:
In number input mode, press this key to input 0.
In Chinese or English input mode, press this key to
input a space.
In number input mode, press this key to insert a
decimal point at the current cursor.
In English input mode, press this key to input "#".
In Chinese input mode, this key is invalid.
Used to set the unit of the parameter.
When setting a parameter, after using the numeric
keyboard to input the numbers, press one of these
keys to select the corresponding unit. The unit
selected is related to the type of the parameter to be
set.
Parameter
GnV
MμV
kmV
X1
dBm
Frequency
GHz
MHz
kHz
Hz
Amplitude
nV
μV
mV
dBm
Period
s
ms
μs
ns
When setting parameters, use this key to clear the
number in the editing window and exit the parameter
input state.
When editing filenames, use this key to clear the
characters in the input bar.
During the keyboard test, use this key to exit the
current test state.
When the instrument is in remote mode, use this key
to return to local mode.
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When setting parameters, use this key to delete the
number at the left of the cursor.
When editing filenames, use this key to delete the
character at the left of the cursor.
For the storage function, it is used to collapse the
directory currently selected.
When setting parameters, use this key to finish the
parameter input and add the default unit for the
parameter.
When editing filenames, use this key to input the
character currently selected by the cursor.
For the storage function, it is used to expand the
directory currently selected.
6. Arrow Keys/Step Key
When setting the parameters, Step is used to set
the step of the parameter currently selected.
The left/right arrow keys are used to enter the
parameter editing state and move the cursor to
the specified digit.
The up/down arrow keys are used to modify the
value at the cursor or modify the parameter value
at the current step.
For the storage function, the left/right arrow keys
are used to collapse or expand the directory
currently selected.
The up/down arrow keys are used to select the
current directory or file.
When editing filenames, they are used to select
the desired character.
7. Knob
When setting parameters, the knob is used to
modify the value at the cursor or modify the
parameter value at the current step.
When editing filenames, it is used to select the
desired character.
For the storage function, it is used to select the
current directory or file.
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8. Output Control Keys
Used to turn on or off the LF output.
— Press this key, the backlight lights on and the
LF label is displayed in the status bar in the
user interface. The LF output is turned on. At
this point, the [LF OUTPUT] connector
outputs the LF signal according to the current
configuration.
— Press this key again, the backlight goes out and
the LF output is turned off.
Used to turn on or off the RF output.
— Press this key, the backlight lights on and the
RF label is displayed in the status bar in the
user interface. The RF output is turned on. At
this point, the [RF OUTPUT 50Ω] connector
outputs RF signal or RF sweep signal according
to the current configuration.
— Press this key again, the backlight goes out and
the RF output is turned off.
Used to turn on or off the RF modulation output.
— Press this key, the backlight lights on and the
MOD label is displayed in the status bar in the
user interface. The RF modulation output is
turned on. At this point, the [RF OUTPUT
50Ω] connector outputs modulated RF signal
according to the current configuration (the
backlight of RF must light on).
— Press this key again, the backlight goes out and
the RF modulation output is turned off.
9. Power Key
Turn on or off the signal generator. When this key
is turned off, the signal generator is in standby
state, indicated by a pulsing LED. In addition, this
key has a delayed switching function. The
instrument can be turned on or off only when
pressing this key and holding it down for a certain
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time. With this feature, you can avoid turning off
the instrument because of accidentally touching
the key.
Press System → Power Status to select "Open"
or "Default". When "Default" is selected, after the
instrument is powered on, you need to press this
key to start the instrument. When "Open" is
selected, the instrument will start automatically
after it is powered on.
10. Built-in Help System
To get the help information of any front panel key
or menu softkey, press this key and then press the
desired key.
11. View Switch Key
It is used to switch the interface display mode to
normal mode or parameter zoom-in mode. For
details, please refer to "User Interface".
12. Trigger Control Key
When the trigger type of SWEEP is "Key", press
this key once to trigger a sweep.
When the trigger mode of Pulse is "Key", press
this key once to enable a pulse modulation.
13. External Modulation Input Connector
When the modulation source of AM, FM and ΦM is
external, this connector is used to input the
external modulating signal.
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14. LF Output Connector
When the backlight of LF lights on, this connector
is used to output LF signal.
15. RF Output Connector
When the backlight of RF lights on, this
connector is used to output RF signal and RF
sweep signal.
When the backlights of RF and MOD light on,
this connector is used to output RF modulated
signal.
CAUTION
To avoid damage to the instrument, the reverse DC
voltage on the RF output connector cannot exceed 50 V,
and the reverse power must be less than 1 W.
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Rear Panel Overview
The rear panel of DSG3000B series RF signal generator is as shown in the figure
below. Click the number in the figure to view the corresponding introduction.
1 2 3 4
5 6 7 8 9 10 11
Figure 2 Rear Panel
1. Pulse Signal Input/Output Connector
The function of this connector is determined
by the current working mode of the pulse
modulation.
PULSE IN:
When the modulation source of Pulse is
external, this connector is used to input the
external pulse signal.
PULSE OUT:
When the modulation source of Pulse is
internal and the switch of pulse output is
"on", this connector is used to output the
pulse signal of the internal generator. This
output signal is related to the choice of pulse
mode which can be set to "Single" or "Train".
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2. Signal Valid Output Connector
When the RF output frequency or
amplitude is modified, after a certain
response and processing time, the internal
circuit of the instrument outputs RF signal
with specified frequency and amplitude via
the RF output connector on the front
panel. During this process, the [SIGNAL
VALID] connector outputs a pulse sync
signal, indicating that the RF output signal
is valid.
— High Level (+3.3 V): indicates that
the RF signal is in configuration;
— Low Level (0 V): indicates that the RF
signal is stable (namely, the signal is
valid).
3. External Trigger Input Connector
When the trigger type of SWEEP or
"Swp-Sine" of LF output is "Ext", this
connector is used to input the external
trigger signal. You can set the polarity of
trigger signal by pressing Trig Slope to
select "Pos" or "Neg".
4. Power Input Connector, Fuse and Switch
Power input connector.
The AC power supply specification of this
signal generator is 100-240 V, 45-440 Hz.
The power consumption of the
instrument cannot exceed 100 W. When
the signal generator is connected to AC
power supply via this connector, the
instrument selects the correct voltage
range automatically and users do not
need to select the voltage range
manually.
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Fuse.
The fuse specification of this signal
generator is AC 250 V, T2A.
If the fuse needs to be replaced, please
refer to "To Replace the Fuse".
5. Reference Signal Output Connector
It is used to output the internal 10 MHz
reference clock signal used to synchronize
the generator with other instruments. For
more information about the output clock
signal specification of this connector, please
refer to
DSG3000B Data Sheet.
6. Reference Signal Input Connector
It is used to input the external 10 MHz
reference clock signal which is used to
synchronize the generator with other
instruments. For more information about the
external clock signal specification of this
connector, please refer to
DSG3000B Data
Sheet
.
7. LAN
The instrument complies with LXI Device
Specification 2011 standard, and supports
WebServer, Socket and other remote control
modes.
This interface is used to connect the PC or
network for remote instrument control.
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8. USB Device
The instrument complies with USBTMC class
protocol.
This interface is used to connect to a PC for
remote instrument control.
9. USB Host
This input is used to connect the USB storage
device to update the system, store system
states and sweep lists.
10. OCXO (option OCXO-B08)
OCXO is an oven-controlled crystal oscillator.
It is a frequency reference source with higher
temperature stability.
NOTE: Forty minutes of warm-up is required
for the OCXO to reach its rated frequency.
For ordering information of this option,
please refer to
DSG3000B Data Sheet
.
11. I/Q Modulating Signal In/Out Connectors
When I/Q modulation type is "external", it is
used to input the I (In-Phase) baseband signal
of I/Q modulation.
When I/Q modulation type is "external", it is
used to input the Q (Quadrature Phase)
modulating signal of I/Q modulation.
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It is used to output the I (In-Phase)
components of the I/Q modulation of the
built-in baseband generator.
It is used to output the Q (Quadrature Phase)
components of the I/Q modulation of the
built-in baseband generator.
To Use DSG3000B for the First Time
To Connect the Power Supply
Please connect the signal generator to AC power supply using the power cord
supplied in the accessories as shown in the figure below. The AC power supplies
specification of this signal generator is 100-240 V, 45-440 Hz. The power
consumption of the instrument cannot exceed 100 W. When the signal
generator is connected to AC power supply via this connector, the instrument
selects the correct voltage range automatically and users do not need to select
the voltage range manually.
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Figure 3 To Connect the Power Supply
CAUTION
To avoid electric shock, use the standard power cable.
Turn-on Checkout
After the power supply is correctly connected, press the power key on
the front panel to turn on the signal generator. During the start-up, the
instrument performs initialization and self-test. After that, the instrument
enters the default interface.
To Set the System Language
DSG3000B series RF signal generator supports multiple system languages. You
can press System→ Language to switch the system language.
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User Interface
The user interface of DSG3000B series RF signal generator provides two display
modes: normal display mode and parameter zoom-in mode. At power-on, the
instrument enters the normal display mode by default. In this manual, the
normal display mode of DSG3136B-IQ is taken as an example to illustrate the
user interface of the instrument.
Normal Display Mode
1 2 3 4
5 6 7
Figure 4 User Interface (Normal Display Mode)
1. Frequency Area
Display the current frequency setting of the RF signal generator.
— : Displayed when the frequency offset is not 0 Hz.
— : Continuous sweep label. Displayed when the sweep type is
"Freq" or "Freq&Lev" and the sweep mode is "Cont".
— : Single sweep label. Displayed when the sweep type is "Freq"
or "Freq&Lev" and the sweep mode is "Single".
— : Forward sweep label. Displayed when the sweep type is
"Freq" or "Freq&Lev" and the sweep direction is "Fwd".
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— : Down sweep label. Displayed when the sweep type is "Freq"
or "Freq&Lev" and the sweep direction is "Down".
— : Frequency sweep progress bar. Displayed
when the sweep type is "Freq" or "Freq&Lev".
2. Status Bar
Indicate the states of some of the RF signal generator functions.
— : Displayed when the LF output is enabled. This is grayed out
when the LF output is disabled.
— : Displayed when the RF modulation output is enabled. This
is grayed out when the RF modulation output is disabled.
— : Displayed when the RF output is enabled. This is grayed
out when the RF output is disabled.
— : The RF signal generator is operating in remote control
mode.
— : The RF signal generator is operating in local mode.
3. Amplitude Area
Display the current level setting of the RF signal generator.
— : Displayed when the flatness calibration switch is "On".
— : Displayed when the equal level switch is "On".
— : Displayed when the amplitude offset is not 0 dB.
— : Continuous sweep label. Displayed when the sweep type is
"Level" or "Freq&Lev" and the sweep mode is "Cont".
— : Single sweep label. Displayed when the sweep type is "Level"
or "Freq&Lev" and the sweep mode is "Single".
— : Forward sweep label. Displayed when the sweep type is
"Level" or "Freq&Lev" and the sweep direction is "Fwd".
— : Down sweep label. Displayed when the sweep type is "Level"
or "Freq&Lev" and the sweep direction is "Down".
— : Amplitude sweep progress bar. Displayed
when the sweep type is "Level" or "Freq&Lev".
4. Menu Display Area
The menus in this area correspond to the softkeys at the right of the
screen. Pressing any softkey can enable the corresponding menu function.
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5. Message Display Area
Display the operation error messages and prompt messages. You can
press System → Information → System Msg to view the messages.
When multiple messages are generated, you can use the up/down arrow
keys or knob to select the message row to be viewed. When the messages
cannot be displayed completely in the list, press Verbose to view the
complete information of the current row selected in the message list.
6. Function Status Area
Display the current active states of each function. Each function
corresponds to at most four kinds of states as shown in the table below.
Type
Remarks
Example
Gray text on a
black background
The function is not selected and
enabled.
Black text on a
gray background
The function is selected and you
can set the corresponding
parameters.
White text on a
gray background
The function is selected and
enabled.
White text on a
black background
The function is not selected but it
is enabled.
The status labels in the function status area as shown in the figure below.
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The frequency parameters
can be set .
The level parameters
can be set .
The sweep parameters can be set .
Enable any type of “Freq”, ”Level”
or “Freq &Level” to sweep.
The LF output, power meter
(option), RX1000 (option)
parameters can be set.
Select LF as the currently active
function, and turn on the LF switch.
Select other operations (except LF)
as the currently active function,
and turn on the LF switch.
The AM parameters can
be set.
Select and turn on the
AM switch.
Select other operations
(except AM) as the
currently active function,
and turn on the AM switch.
The FM parameters can be set.
Select and turn on the FM switch.
Select other operations (except
PM) as the currently active
function, and turn on the PM
switch.
The PM parameters can be set.
Select and turn on the PM switch.
Select other operations (except
SWEEP) as the currently active
function, and enable the sweep.
The pulse modulation parameters
can be set.
Select and turn on the
pulse modulation switch.
Select other operations (except
Pulse) as the currently active
function, and turn on the pulse
modulation switch.
The I/Q modulation parameters
can be set.
Select and turn on the I/Q
modulation switch.
The system parameters
can be set .
Select other operations (except I/Q)
as the currently active function, and
turn on the I/Q modulation switch.
The AM function is not
selected and enabled.
The sweep function is not
selected and enabled.
The LF output is not
selected and enabled.
The PM function is not
selected and enabled.
The pulse modulation function
is not selected and enabled.
The I/Q modulation function is
not selected and enabled.
The system parameters
setting is not selected.
The frequency parameters
setting is not selected.
Figure 5 Labels in Function Status Area
7. Text Display Area
Display the corresponding parameter information of the current function
of the RF signal generator.
Parameter Zoom-in Mode
In normal display mode, pressing the display switch key View at the left of the
screen can switch to the parameter zoom-in mode as shown in the figure
below.
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Figure 6 User Interface (Parameter Zoom-in Mode)
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To Replace the Fuse
To replace the fuse, please use the specified fuse and follow the steps below.
1． Turn off the instrument, cut off the power and remove the power cord.
2． Insert a slotted screwdriver into the slot of the fuse holder to pry it out.
3． Take out the fuse.
4． Replace the old fuse with a specified fuse.
5． Install the fuse holder.
Figure 7 To Replace the Fuse
WARNING
To avoid electric shock, make sure that the instrument is turned
off, the power supply is disconnected and the fuse used is up to
standard before replacing the fuse.
To Use the Built-in Help System
The DSG3000B built-in help system provides help information for all the
function keys and menu softkeys located on the front panel. Users can view the
help of any key when operating the instrument.
1. Acquire the built-in help
Press Help and the prompt message about how to acquire the help
Location of the Fuse
Holder
Fuse
Fuse Holder
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information is displayed in the test display area of the user interface, as
shown in Figure 8. Then, press the desired key and the help information of
that key is displayed in the text display area.
Figure 8 Help Interface
2. Page up/down
When the help information is displayed on multiple pages, users can
acquire the help information on the previous or next page using the arrow
keys or knob.
3. Turn off the current help information
When the help information is displayed in the text display area, pressing
any key (except the arrow keys and knob) on the front panel will turn off
the help information currently displayed.
4. Acquire the help information of a menu softkey
Press Help and help information is displayed in the text display area.
Then, press the desired menu softkey, the help information of the menu
item corresponding to this menu softkey is displayed in the text display
area.
5. Acquire the help information of any function key
Press Help and help information is displayed in the text display area.
Then, press any function key and the function help information of this key
is displayed in the text display area.
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Basic Operations
To Output RF Signal
Output a RF signal with 1 GHz frequency and -40 dBm amplitude from the [RF
OUTPUT 50Ω] connector.
1. Restore to factory setting
Press System → Reset → Preset Type → "Factory" and then press
Preset to restore the factory setting (by default, the frequency offset is 0
Hz and the amplitude offset is 0 dB).
2. Frequency setting
Press FREQ → Frequency, use the numeric keyboard to input the
frequency value (1) and select the desired unit (GHz) from the pop-up unit
menu or unit keys.
⚫ The frequency units available are GHz, MHz, kHz and Hz.
⚫ Pressing Enter to select the current frequency unit by default.
⚫ You can also press the Left/Right arrow keys to enter the parameter
editing state and move the cursor to the specified digit and then use
the Up/Down arrow keys or the knob to modify the value.
⚫ After the frequency is set, you can use the Up/Down arrow keys or
the knob to modify the frequency at the current step value.
⚫ Press FREQ → Frequency and then press Step to set the step
value.
3. Amplitude setting
Press LEVEL → Level, use the numeric keyboard to input the amplitude
value (-40) and select the desired unit (dBm) from the pop-up unit menu
or unit keys. You can also press Enter to select the default unit dBm.
⚫ The amplitude units available are dBm, -dBm, mV, uV and nV.
⚫ You can also press the Left/Right arrow keys to enter the parameter
editing state and move the cursor to the specified digit and then use
the Up/Down arrow keys or the knob to modify the value.
⚫ You can also use the Up/Down arrow keys or the knob to modify the
amplitude at the current step value.
⚫ Press LEVEL → Level and then press Step to set the step value.
4. Enable the RF output
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Press RF, the backlight lights on and the RF label is displayed in the status
bar of the user interface. The RF output is enabled. At this point, the [RF
OUTPUT 50Ω] connector outputs RF signal according to the current
configuration.
Figure 9 Parameter Setting Interface of RF Signal Output
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To Output RF Sweep Signal
This section introduces how to output a RF sweep signal by configuring
continuous linear step sweep. Set the frequency range: 1 GHz to 2 GHz; the
amplitude range: -20 dBm to 0 dBm. Set the number of sweep points to 10 and
the dwell time to 500 ms.
1. Restore to factory setting
Press System → Reset → Preset Type → "Factory" and then press
Preset to restore the factory setting (by default, the sweep mode is
continuous, the sweep type is step and the sweep space is linear).
2. Step sweep parameter setting
Press SWEEP and use the menu page Up/Down key to turn to the
2/3 menu page; then, press Step Swp to enter the step sweep parameter
setting interface.
⚫ Start Frequency
Press Start Freq, use the numeric keyboard to input the start
frequency value (1) and select the desired unit (GHz) from the
pop-up unit menu or unit keys.
⚫ Stop Frequency
Press Stop Freq, use the numeric keyboard to input the stop
frequency value (2) and select the desired unit (GHz) from the
pop-up unit menu or unit keys.
⚫ Start Level
Press Start Lev, use the numeric keyboard to input the start level
value (-20) and select the desired unit (dBm) from the pop-up unit
menu or unit keys. You can also press Enter to select the default
unit (dBm).
⚫ Stop Level
Press Stop Lev, use the numeric keyboard to input the stop level
value (0) and select the desired unit (dBm) from the pop-up unit
menu or unit keys. You can also press Enter to select the default
unit (dBm).
⚫ Sweep Points
Press Points, use the numeric keyboard to input the number of
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sweep points (10) and then press OK or Enter.
⚫ Dwell Time
The dwell time indicates the duration of a sweep step.
Press Dwell Time, use the numeric keyboard to input the time value
(500) and select the desired unit (ms) from the pop-up unit menu or
unit keys.
3. Enable the RF sweep
Press SWEEP → Sweep and select "Freq & Level" to enable the
frequency and amplitude sweep functions at the same time.
At this point, the RF signal generator sweeps from the start frequency and
level to the stop frequency and level continuously at certain step
according to the current settings. The frequency and amplitude sweep
progress bars as well as the continuous sweep label are displayed in the
frequency and amplitude areas in the user interface respectively.
4. Enable the RF output
Press RF, the backlight lights on and the RF label is displayed in the status
bar of the user interface. The RF output is enabled. At this point, the [RF
OUTPUT 50Ω] connector outputs RF sweep signal according to the
current configuration.
Figure 10 Parameter Setting Interface of RF Sweep Signal Output
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To Output RF Modulated Signal
This section introduces how to output an AM modulated signal. Set the carrier
frequency to 800 MHz, the carrier amplitude to -20 dBm, the AM modulation
depth to 60% and the modulation frequency to 20 kHz.
1. Restore to factory setting
Press System → Reset → Preset Type → "Factory" and then press
Preset to restore the factory setting (by default, the modulation source is
internal and the modulation waveform is sine).
2. Set the carrier frequency and amplitude
(1) Carrier Frequency
Press FREQ → Frequency, use the numeric keyboard to input the
frequency value (800) and select the desired unit (MHz) from the
pop-up unit menu or unit keys.
(2) Carrier Amplitude
Press LEVEL → Level, use the numeric keyboard to input the
amplitude value (-20) and select the desired unit (dBm) from the
pop-up unit menu or unit keys. You can also press Enter to select
the default unit (dBm).
3. Set the AM modulation parameters
(1) Press AM to enter the amplitude modulation parameter setting
interface.
(2) Press Depth, use the numeric keyboard to input the value of the
modulation depth (60) and select the desired unit (%) from the
pop-up unit menu or by pressing Enter.
(3) Press Freq, use the numeric keyboard to input the frequency value
(20) and select the desired unit (kHz) from the pop-up unit menu or
unit keys.
(4) Press Switch and select "On" to enable the AM function. The
backlight of AM lights on.
4. Enable the RF modulation output
Press MOD and the backlight lights on. Then, press RF and the backlight
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lights on. The MOD and RF labels are displayed in the status bar of the
user interface. The RF modulation output is enabled. At this point, the [RF
OUTPUT 50Ω] connector outputs RF modulated signal according to the
current configuration.
NOTE: The backlights of RF and MOD should light on.
Figure 11 Parameter Setting Interface of RF Modulated Signal Output
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Remote Control
DSG3000B supports to build communication with the PC via USB, LAN or
USB-GPIB interface (option) to realize remote control. The remote control is
realized on the basis of the SCPI command set (Standard Commands for
Programmable Instruments). This section introduces how to send SCPI
commands through the RIGOL common PC software Ultra Sigma to control the
RF signal generator remotely via the USB interface. For the detailed information
of the commands, refer to
DSG3000B Programming Guide
.
Note: When the instrument is in remote mode, is displayed in the user
interface and all the front panel keys (except Esc) are locked. At this point, you
can press Esc to exit the remote mode.
1. Install Ultra Sigma
Acquire the Ultra Sigma software and install it as well as its components
according to the instructions. You can download the latest version of the
software from www.rigol.com.
2. Control via USB
(1) Connect the device
Connect the RF signal generator (USB Device) and PC (USB Host)
using a USB cable.
(2) Install USB drive
This RF signal generator is USBTMC device and the Found New
Hardware Wizard will be displayed after the RF signal generator is
correctly connected to the PC (the signal generator will be
automatically configured to USB interface) and both of them are
started. Please install the "USB Test and Measurement Device" drive
program according to the instructions.
(3) Search for device resource
Start Ultra Sigma and the software will search for the RF signal
generator resource currently connected to the PC automatically. You
can also click to search for the resource manually.
(4) View the device resource
The resource found together with the instrument model and USB
interface information will be displayed under the "RIGOL Online
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Resource" directory, as shown in the figure below.
Figure 12 View the USB Device Resource
(5) Communication test
Right-click the resource name "DSG3136B-IQ
(USB0::0x1AB1::0x099C::DSG3E666666666::INSTR)" and select
"SCPI Panel Control" to open the remote command control panel
through which you can send commands and read data.
Figure 13 Read and Write Command via USB
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Troubleshooting
The commonly encountered failures and their solutions are listed below. When
you encounter those problems, please solve them following the corresponding
steps. If the problem remains still, please contact RIGOL and provide your
device information (System → Information → System Info).
1. The screen of the RF signal generator is still dark (no display)
after pressing the power key.
(1) Check whether the fan is running;
— If the fan is running but the screen is dark, the screen
connecting wire might be loose.
— If the fan is not running, the instrument does not start
successfully and please go to step (2).
(2) Check whether the power is correctly connected and the power
switch is really on.
(3) Check whether the fuse is burned out. If the fuse needs to be
replaced, please use the specified fuse (AC 250V, T2A).
(4) Restart the instrument after finishing the above inspections.
(5) If it still does not work correctly, please contact RIGOL.
2. The screen is too dark and cannot be seen clearly.
(1) Check whether the brightness setting of the LCD screen is too low.
(2) Press System → Display → Brightness and use the numeric keys
or up/down direction keys to adjust the brightness of the LCD screen
of the RF signal generator to a proper value.
3. The RF signal generator is locked.
(1) Check whether the RF signal generator is in remote control mode (in
remote control, is displayed in the status bar of the user
interface). Pressing Esc can exit the remote control mode and
unlock the front panel.
(2) Check whether the RF signal generator is in local mode with the
screen being locked (when the screen is locked, front panel
operations are not available). Pressing Esc can unlock the screen
and exit the locking state.
(3) If progress bar is displayed on the screen of the signal generator,
some operation is in progress. For example, when saving a file, the
progress bar will be displayed indicating that the save operation is in
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progress. At this point, the front panel is locked.
(4) Pressing Preset or restarting the signal generator can also unlock
the instrument.
4. The setting is correct but the waveform output is incorrect.
(1) There is no RF output.
— Check whether the signal connecting wire is tightly connected
to the corresponding [RF OUTPUT 50Ω] connector.
— Check whether the connecting wire has internal damage.
— Check whether the connecting wire is tightly connected to the
test instrument.
— Check whether the backlight of RF goes on. If not, press this
key to illuminate the backlight. At this point, the RF label is
displayed in the status bar of the user interface and the RF
output is enabled.
— Check whether the output amplitude of the RF signal is too
small. Adjust the output amplitude properly.
(2) The RF output is not modulated.
— Check whether the signal connecting wire is tightly connected
to the corresponding [RF OUTPUT 50Ω] connector.
— Check whether the connecting wire has internal damage.
— Check whether the connecting wire is tightly connected to the
test instrument.
— Check whether the backlights of MOD and RF are both
illuminated and check whether the modulation Switch is set to
"On".
— Check whether the modulation parameter setting is correct and
adjust the parameter appropriately.
— If external modulation source is used, make sure that the
external source is correctly connected and outputs signal. At
the same time, the external source should work within the
specified range of the signal generator.
5. The sweep is abnormal.
(1) The sweep stagnates
The sweep progress bar is displayed in the frequency area/amplitude
area in the user interface indicating that the sweep is in progress. If
the sweep stagnates, please check:
— At least one manner of sweep is enabled. Press SWEEP →
Sweep to select "Freq", "Level" or "Freq&Level".
— If single sweep mode is selected, press Single and the
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instrument performs a sweep if the trigger condition is met.
— If the sweep trigger mode is not set to auto, press SWEEP →
Trig → "Auto" to make sure whether the sweep stagnates due to
the loss of sweep trigger.
— If the point trigger mode is not set to auto, press SWEEP →
Point Trig → "Auto" to make sure whether the sweep stagnates
due to the loss of point trigger.
— Make sure whether the dwell time is too large or too small that
the sweep cannot be seen.
— Make sure that at least two points are set in the step sweep or
list sweep.
(2) The dwell time of list sweep is incorrect
— Press SWEEP → List Swp to enter the sweep list editing
interface.
— Make sure whether the dwell time of the list sweep is correct.
— If the dwell time is incorrect, re-edit it; if it is correct, turn to
the next step.
— Press SWEEP → Sweep Type to make sure that "List" sweep
is selected.
If "Step" sweep is currently selected, the signal generator sweeps
according to the dwell time of the step sweep.
(3) The list sweep information recalled from the register is lost
— The list sweep information cannot be stored in the status register
of the instrument as a part of the instrument state.
— The signal generator can only use the current list for sweep and
you can store the list sweep data to the local directory of the
instrument.
(4) In list or step sweep, the amplitude does not change
— Make sure that the sweep manner is set to "Level" or
"Freq&Level".
— If the sweep manner is currently set to "Freq", the amplitude will
not change.
6. The USB storage device cannot be recognized.
(1) Check whether the USB storage device can work normally when
connected to other instruments or PCs.
(2) Make sure that the USB storage device used is Flash type. This
instrument does not support hardware USB storage device.
(3) Restart the instrument and insert the USB storage again to check
whether it can work normally.
(4) If the USB storage device still cannot be used normally, please
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contact RIGOL.
7. No response or incorrect response when key is pressed.
(1) After starting the instrument, make sure that whether all the keys
are irresponsive.
(2) Press System → Self-test → Key Test to enter the keyboard test
interface. Press the function keys at the front panel sequentially and
check whether some key gives no response or incorrect response
when it is pressed.
(3) If the above failures occur, the keyboard connecting wire might be
loose or the keyboard is damaged. Please do not disassemble the
instrument and contact RIGOL.
8. Performance specification test is not passed.
(1) Check whether the RF signal generator is within calibration period (1
year).
(2) Make sure that the RF signal generator is warmed up for at least 30
minutes before test.
(3) Check whether the RF signal generator is under the specified
temperature.
(4) Check whether the test is under the magnetic environment.
(5) Check whether the power supplies of RF signal generator and test
system have strong interference.
(6) Check whether the performance of the test device meets the
requirement.
(7) Make sure that the test device is within calibration period.
(8) Check whether the test device meets the required conditions of the
manual.
(9) Check whether all connections are tight.
(10) Check whether all cables have internal damage.
(11) Make sure that the operations conform to settings and processes
which are required by the performance verification manual.
(12) Check whether the error calculation is a mistake.
(13) The definitions of "Typical Value" and "Nominal Value" for this
product should be correctly understood.
— Typical Value: the performance specification of this product
under specified conditions.
— Nominal Value: the approximate quantity of the product during
application.
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