SIGLENT SSG3000X Manuale utente
SIGLENT
SSA3000X Service Manual 1
SSG3000X
Signal Generator
r
Service Manual
SM0803X-E01A
SIGLENT
2 SSG3000X Service Manual
Guaranty and Declaration
Copyright
SIGLENT TECHNOLOGIES CO., LTD All Rights Reserved.
Trademark Information
SIGLENT is the registered trademark of SIGLENT TECHNOLOGIES CO.,LTD
Declaration
SIGLENT products are protected by patent law worldwide
SIGLENT reserves the right to modify or change parts of or all the
specifications or pricing policies at company’s sole decision.
Information in this publication replaces all previously corresponding
material.
Any way of copying, extracting or translating the contents of this manual is
not allowed without the permission of SIGLENT.
SIGLENT will not be responsible for losses caused by either incidental or
consequential in connection with the furnishing, use or performance of this
manual as well as any information contained.
Product Certification
SIGLENT guarantees this product conforms to the national and industrial
standards in China as well as the ISO9001: 2008 standard and the ISO14001:
2004 standard. Other international standard conformance certification is in
progress.
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SSG3000X Service Manual 3
General Safety Summary
Carefully read the following safety precautions to avoid any personal injury or damage
to the instrument and any products connected to it. To avoid potential hazards, please
use the instrument as specified.
Use Proper AC Power Line
Only the power cord designed for the instrument and authorized by local country
should be used.
Ground the Instrument
The instrument is grounded through the protective earth conductor of the power line.
To avoid electric shock, please make sure the instrument is grounded correctly before
connecting its input or output terminals.
Connect the Probe Correctly.
If a probe is used, do not connect the ground lead to high voltage since it has isobaric
electric potential as the ground.
Look Over All Terminals’ Ratings
To avoid fire or electric shock, please observe all ratings and label notices on this
instrument. Before connecting the instrument, please read the manual carefully to gain
more information about the ratings.
Use Proper Overvoltage Protection
Make sure that no overvoltage (such as that caused by a thunderstorm) can enter the
product, or else the operator might be exposed to danger of electrical shock.
Electrostatic Prevention
Operate the instrument in an electrostatic discharge protective area environment to
avoid damages induced by static discharge. Always ground both the internal and
external conductors of the cable to release static before connecting.
Maintain Proper Ventilation
Inadequate ventilation may cause increasing of the instrument’s temperature, which
will eventually damage the instrument. So keep well ventilated and inspect the intake
and fan regularly.
Avoid Exposed Circuit or Components
Do not touch exposed contacts or components when the power is on.
Do Not Operate Without Covers
Do not operate the instrument with covers or panels removed.
Use Only the Specified Fuse.
Keep Product Surfaces Clean and Dry.
To avoid the influence of dust and/or moisture in the air, please keep the surface of the
device clean and dry.
Do Not Operate in Wet Conditions.
In order to avoid short circuiting to the interior of the device or electric shock, please do
not operate the instrument in a humid environment.
Do Not Operate in an Explosive Atmosphere.
In order to avoid damage to the device or personal injury, it is important to operate the
device away from an explosive atmosphere.
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4 SSG3000X Service Manual
Safety Terms and Symbols
Terms on the product. These terms may appear on the product:
DANGER Indicates direct injuries or hazards that may happen.
WARNING Indicates potential injuries or hazards that may happen.
CAUTION Indicates potential damages to the instrument or other property that may
happen.
Symbols on the product. These symbols may appear on the product:
Hazardous Protective Warning Earth Chassis
Voltage Ground Ground
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SSG3000X Service Manual 5
Contents
Guaranty and Declaration....................................................................2
General Safety Summary........................................................................3
Safety Terms and Symbols ....................................................................4
Preparation Information.......................................................................6
Functional check..............................................................................6
Power-on Inspection.................................................................6
Interface Test.....................................................................................7
USB Host Test.............................................................................7
USB Device Test.........................................................................9
Performance Verification Test..........................................................13
10 MHz output accuracy test..............................................................14
Absolute amplitude accuracy test.......................................................14
Second Harmonics..............................................................................17
Internal AM modulation test...............................................................19
Internal FM modulation test ...............................................................21
Internal ΦM modulation test...............................................................23
Pulse modulation test..........................................................................24
Exit I Q modulation test......................................................................26
LF AC test...........................................................................................28
LF DC test...........................................................................................30
Assembly Procedures ........................................................................31
Safety Considerations.........................................................................31
List of Modules...................................................................................32
Required Tools....................................................................................32
Disassembly Procedures.....................................................................33
Removing the Outer Cover.......................................................33
Removing the IQ Module..........................................................34
Removing the Power Module...................................................35
Removing the Control Board....................................................35
Removing the Main Board........................................................36
Removing the front panel..........................................................37
Removing the LCD, Keyboard.................................................38
Contact SIGLENT.................................................................................39
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6 SSG3000X Service Manual
Preparation Information
Before initiating performance verification or any adjustments, it is
recommended to follow these procedures. The following topics are discussed
in this chapter.
How to perform functional checks
How to operate performance verification test
For more detailed information about the signal generator operation, please
refer to the SSG3000X User Manual.
Functional check
There are three types of checks used to determine if the signal generator is
operating properly.
Power-on Inspection
The normal operating voltage for SSG3000X series signal generators is in the
range of 100-240 VRMS, 50 Hz/ 60 Hz/ 440 Hz.
Please use the power cord provided with the accessories to connect the
instrument to the power source as shown in the figure below.
Figure 1-1 Connect power cord
Note: To avoid electric shock, make sure that the instrument is
correctly grounded to the earth before connecting AC power.
Press the power-on button located at the lower left corner of the front panel
and several keys will illuminate for about 6 seconds. Then, the boot screen will
appear on the display.
The front panel is shown in the figure below.
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SSG3000X Service Manual 7
Figure 1-2 Front Panel
Figure 1-3 Rear Panel
Interface Test
The SSG3000X series signal generator is designed with three standard
interfaces: USB Host, USB Device, and LAN. Being connected to other
instruments via these interfaces enables the signal generator to achieve
additional capabilities. In order to ensure the signal generator is operating
properly, it is recommended to first test the interfaces.
USB Host Test
To test if the USB Host interface is working normally.
Tools:
● USB memory device (U disk)
Steps：
1. Insert a U disk into the USB Host interface on the front panel of the signal
generator.
2. An icon shaped like a U disk appears on the upper right of the screen, as
shown in figure below. The icon appearance indicates the U disk has been
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8 SSG3000X Service Manual
successfully recognized.
Figure 2-1 USB drive has been properly recognized
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SSG3000X Service Manual 9
USB Device Test
To test if the USB Device interface is operating normally.
Tools：
●A computer with USB interface that is compatible with running National
Instruments NI-MAX software
● A standard USB cable (Type A-B)
● NI-MAX software
Steps：
1. Download and install National Instruments NI MAX software by following the
installation instructions provided by National Instruments.
2. Connect the signal generator USB Device port and the computer using an
USB cable.
3. Run NI MAX software. Click “Device and interface” at the upper left corner of
the NI software interface and immediately displays the “USBTMC” device
symbol.
4. Click “Open VISA Test Panel” option button, and then the following
Interface will appear. Then click the “Input/Output” option button and click
the “Query” option button in order to view the Read operation information.
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10 SSG3000X Service Manual
LAN Port Test
Use to test the LAN interface functionality.
Tools：
● A computer with functional LAN interface
● A standard LAN cable
Steps：
1. Connect the signal generator and the computer using a LAN cable via LAN
interface.
2. Press System -> Interface ->LAN, Set DHCP State ON, as the figure
below shows. The signal generator will set IPAddress and Subnet Mask and
Gateway automatically in this network.
Write down the displayed IP address. It will be used in later steps.
Figure 2-2 IP configuration interface
3. Run NI max software. Click “Device and interfaces” in the upper left corner
of the NI software interface, select “Network Devices”, Add Network Device,
and select VISA TCP/IP Resource as shown:.
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