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SIGLENT

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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Содержание SSG3000X

Страница 1: ...SIGLENT SSA3000X Service Manual 1 SSG3000X Signal Generator r Service Manual SM0803X E01A ...

Страница 2: ...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 SIGL...

Страница 3: ... 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...

Страница 4: ...icates 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 ...

Страница 5: ...cy 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 R...

Страница 6: ...gnal 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 co...

Страница 7: ...or 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 o...

Страница 8: ...SIGLENT 8 SSG3000X Service Manual successfully recognized Figure 2 1 USB drive has been properly recognized ...

Страница 9: ...e 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 appea...

Страница 10: ...ss System Interface LAN Set DHCP State ON as the figure below shows The signal generator will set IP Address 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 A...

Страница 11: ...000X Service Manual 11 4 Select Manual Entry of LAN instrument select Next and enter the IP address as shown Click Finish to establish the connection NOTE Leave the LAN Device Name BLANK or the connection will fail ...

Страница 12: ...ISA Test Panel 6 Click Input Output option button and click Query option button If everything is connected and operating correctly the Read operation information returned shown below will appear NOTE The IDN Command known as the Identification Query should return the instrument manufacturer instrument model serial number and other identification information ...

Страница 13: ...lease let the test equipment and the signal generator warm up 30 minutes before testing Below is the required equipment Table 3 1 Test equipment Equipment Specification Qty Recommended Signal Analyzer 9 kHz 3 2 GHz 1 Keysight N9020 Power Meter 6 GHz 1 R S NRP6A Frequency Counter 10 MHz 1 SIGLENT SDG1050 With OCXO Attenuator 10 dB 1 RF switch 18 GHz 1 SMA N Cable 6 GHz 3 BNC Cable 2 GHz 1 ...

Страница 14: ...z reference oscillator 2 Set the SDG6000x to frequency counter mode and set frequency ref to 10 000000 MHz 3 Check if the frequency deviation 0 2 ppm Record Table 2 1 Frequency deviation Frequency Frequency Deviation Pass Fail 10 000000 MHz Absolute amplitude accuracy test Specification Level error ALC on temperature is 20 30 13 dBm 50 dBm 50 dBm 90 dBm 90 dBm 110 dBm 9 kHz f 100 kHz 0 9 dB 0 7 dB...

Страница 15: ...panel of the signal generator using dual BNC cable to synchronize the two instruments 5 Connect the output terminal of the SSG3000X with the input terminal of the signal analyzer using dual N cable as shown in Figure 3 1 b 6 Configure the signal analyzer a Select the external frequency reference input b Set the span to 100 Hz c Set the reference level to 20 dBm d Set the input attenuation to 10 dB...

Страница 16: ... the measurement result A3 namely the measurement value A2 of the signal analyzer in step 9 13 Calculate the Global Error A3 Reference Value and record the result 14 Calculate the amplitude accuracy using the formula Amplitude Accuracy Global Error System Error and compare the calculation result with the specification Table 2 2 Output Frequency of the SSG3000X Output Frequency SSG3000X 103kHz 1 33...

Страница 17: ...7 1 33 MHz 51 33 MHz 533 MHz 1 933 GHz 2 433 GHz 2 933 GHz Table 2 7 Reference Value 90 dbm SSG3000X Output Signal Analyzer Measurement Value A3 Global Error Amplitude Accuracy Limit Pass Fail 103 kHz 0 7 1 33 MHz 51 33 MHz 533 MHz 1 933 GHz 2 433 GHz 2 933 GHz Second Harmonics Specification Spectral purity Harmonics CW mod 1 MHz f 3 2 GHz Level 13 dBm 30 dBc Test Devices 1 PC 1 2 Signal Analyzer ...

Страница 18: ...000X power plus 2 d Switch the preamp to off e Set the center frequency to the SSG3000X frequency f Set the span to 5 kHz g Set the resolution bandwidth to 100 Hz h Press Peak and get the power result as P0 i Set the center frequency to the SSG3000X frequency 2 j Repeat steps f and g k Press Peak and get the power result as P1 l Record the P0 P1 4 The P0 P1 is the Second Harmonic Distortion And co...

Страница 19: ...uracy fmod 1 kHz 4 of m setting 1 AM Distortion fmod 1 kHz m 30 level 0 dBm 3 typ Note 1 m represents the AM depth Test Devices 1 Signal Analyzer 1 2 Dual BNC Cable 1 3 Dual N Cable 1 Test Connection Diagram Test Procedures 1 Synchronize the SSG3000X and signal analyzer Connect the RF output terminal of the SSG3000X with the RF input terminal of the signal analyzer as shown in above figure 2 Confi...

Страница 20: ...ts of the demodulated signal in the AM analog demodulation test interface of the signal analyzer Record the measurement results Pk Pk 2 and Distortion Note the value Pk Pk 2 represents the peak of the low frequency signal after AM demodulated 5 Calculate the modulation accuracy and the distortion using the formulas AM Accuracy Pk Pk 2 30 AM Distortion Distortion Then compare the calculation result...

Страница 21: ...ing 20 Hz FM Distortion fmod 1 kHz m N 1 MHz 0 5 nom Note 1 Please refer to the value of N in the Frequency Bands section of the SSG3000X Data Sheet 2 m represents the FM deviation Test Devices 1 Signal Analyzer 1 2 Dual BNC Cable 1 3 Dual N Cable 1 Test Connection Diagram Test Procedures 6 Synchronize the SSG3000X and signal analyzer Connect the RF output terminal of the SSG3000X with the RF inpu...

Страница 22: ...00 Hz 9 Read the results of the demodulated signal in the FM analog demodulation test interface of the signal analyzer Record the measurement results Pk Pk 2 and Distortion Note the value Pk Pk 2 represents the peak of the low frequency signal after FM demodulated 10 Calculate the modulation accuracy and the distortion using the formulas FM Accuracy Pk Pk 2 500 kHz FM Distortion Distortion Next co...

Страница 23: ...M Distortion fmod 1 kHz deviation N 5rad 0 5 nom Note 1 Please refer to the value of N in the Frequency Bands section of the SSG3000X Data Sheet 2 m represents the ΦM deviation Test Devices 1 Signal Analyzer 1 2 Dual BNC Cable 1 3 Dual N Cable 1 Test Connection Diagram Test Procedures 11 Synchronize the SSG3000X and signal analyzer Connect the RF output terminal of the SSG3000X with the RF input t...

Страница 24: ... Record the measurement results Pk Pk 2 and Distortion Note the value Pk Pk 2 represents the peak of the low frequency signal after ΦM demodulated 15 Calculate the modulation accuracy and the distortion using the formulas ΦM Accuracy Pk Pk 2 2 5 rad ΦM Distortion Distortion Then compare the calculation results with the specifications Test Record Form SSG3000X Output Frequency Test Item Measure men...

Страница 25: ...nect the RF output terminal of the SSG3000X with the RF input terminal of the signal analyzer as shown in above figure 17 Configure the SSG3000X 10 Set the frequency to 1 GHz 11 Set the level to 10 dBm 12 Enable the pulse state 13 Set the pulse source to internal 14 Set the pulse mode to single 15 Set the pulse period to 1s 16 Set the pulse width to 0 5s 17 Set the pulse trigger to Key 18 Enable t...

Страница 26: ...ta input 0 5s then press Click to trigger on the display of the SSG3000X again record the Delta value which equal to the On Off Ratio Test Record Form SSG3000X Output Frequency Test Item Measure ment Calculated Result Limit Pass Fail 1 GHz On Off Ratio 70 dBc Note 1 Calculation Result Delta Exit I Q modulation test Specification IQ modulation feature Modulate source 5 external Band width base band...

Страница 27: ...C as shown in figure 2 Install the EasyIQ software to the PC Configure the IQ modulation wave table using the EasyIQ softwave 3 Configure the wave Data Source the modulation type of the wave the filter parameter of the wave Then download the currently generated wave to the SSG3000X 4 Configure the SSG3000X a Set the frequency to 800 MHz b Set the level to 3 dBm c Press I Q to enter the I Q source ...

Страница 28: ...to 4 MHz g Select the filter type to root raised cosine h Select the reference filter to raised cosine i Set the roll of factor a to 0 22 j Read the EVM value k Display the center frequency l Record measurement result and compare it with the specification LF AC test Specification Internal modulation generator LF Frequency response Sine wave 0 3 dB Test Devices 1 Power Sensor 1 2 N BNC Cable 1 3 US...

Страница 29: ...w in sequence Then set the amplitude to 20 dBm and repeat the frequency steps Output Voltage 0 dBm 20 dBm Frequency Power Meter Measurement Value Spec Range dBm Power Meter Measurement Value Spec Range dBm 100 kHz 0 3 0 3 20 3 19 7 200 kHz 300 kHz 400 kHz 500 kHz 600 kHz 700 kHz 800 kHz 900 kHz 1 MHz 3 Compare the value measured from Power Sensor shown on the SSG3000X interface with the spec range...

Страница 30: ...strument to each output value described in the table below and measure the output voltage with the DMM DC Offset DMM Measurement Value Spec Range 1 3 mV 2 V 2 017 V 1 983 V 1 V 1 007 V 0 993 V 100 mV 102 mV 98 mV 10 mV 12 9 mV 7 1 mV 0 V 3 mV 3 mV 10 mV 6 9 mV 13 1 mV 100 mV 96 mV 104 mV 1 V 0 987 V 1 013 V 2 V 1 977 V 2 023 V Note The output impedance of generator is 50Ω and the input impedance o...

Страница 31: ...all the modules Safety Considerations Only qualified personnel should perform the disassembly procedures Whenever possible disconnect the power before you begin to remove or replace the modules Otherwise possible personal injuries or damages to the components may occur Avoid Electrical Shock Hazardous voltages exist on the LCD module and power supply module To avoid electrical shock first disconne...

Страница 32: ...es Table 4 1 List of modules Number of Module Module 1 Outer cover 2 Front Panel 3 Power module 4 Main board 5 Zynq board 6 IQ E board 7 RF connector 8 LCD Keyboard Required Tools Use these tools to remove or replace the modules in the analyzers Multifunctional screwdriver Antistatic gloves Custom screw hexagonal nut tool or long nose pliers ...

Страница 33: ...e best achieved using the following operating steps Removing the Outer Cover SCREW 2 SCREW 2 SCREW 4 Figure 4 1 Removing the Rear Panel Screws Removal steps 1 Remove the screws as shown in figures above 2 Press the place of the outer cover as the arrows point in the first figure and remove the outer cover from the machine To install the outer cover please perform these steps in reverse order ...

Страница 34: ...Q Module SCREW 5 NUT 2 Power cable RF cable Removal steps 1 Disconnect the power cable and the RF cable 2 Remove the five screws located on the IQ board 3 Next remove the IQ board To install the IQ board please follow these same steps in reverse order ...

Страница 35: ...Module Power cable SCREW 5 Removal steps 1 Disconnect the power cable 2 Remove the five screws located on the metal shell 3 Next remove the Power Module To install the Power Module please follow these same steps in reverse order Removing the Control Board ...

Страница 36: ...al steps 1 Unlock the hook as show in the above figure 2 Remove the control board Removing the Main Board NUT 6 SCREW 14 SMA Screen cable Removal steps If the device has the IQ_E option remove the IQ board first 1 Place the signal generator bottom up ...

Страница 37: ...n board 4 Remove the six nuts from the back BNC terminal To install Main Board please perform these steps in reverse order Removing the front panel SCREW 4 SCREW 8 Figure 4 4 View of front panel Removal steps 1 Remove the eight screws on the rubber feet 2 Remove the four screws located on the front panel To install the front panel please perform these steps in reverse order ...

Страница 38: ...CREW 4 Figure 4 5 Removing the LCD and keyboard Removal steps 1 Remove the thirteen screws on the keyboard 2 Remove the four screws located on the edge of the display module 3 Disconnect the cable that connects the keyboard and the channel board 4 Separate the modules carefully ...

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