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SIGLENT SDG2000X Series, Руководство по обслуживанию

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SDG2000X_ServiceManual_SM0202X-E01B.doc 

 

37 

 

To Generate a Noise Waveform 

 

The generator can be set to output a noise waveform with an adjustable Stdev 
and Mean. The following steps show you how to generate a noise waveform 
with 500 mV Stdev and 1 mV Mean.

 

 

1. Select the Noise function 

Press  Waveforms 

→  Noise  to  select  the  noise  function  and  output  a  noise 

waveform with the default parameters. 

 

 

2. Set the Stdev 

Press the Stdev softkey and then set the Stdev to 500 mV. 

 

Содержание SDG2000X Series

Страница 1: ...SDG2000X Service Manual I SDG2000X Series Function Arbitrary Waveform Generator Service Manual SM0202X E01B ...

Страница 2: ... replaces all previously corresponding material Any form 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 guaran...

Страница 3: ...tage Do not touch the exposed contacts or components Observe all terminal ratings To avoid fire or electric shock please observe all ratings and label instructions on the instrument Before connecting the instrument please read the manual carefully to gain more information about the ratings Do not operate with suspected failures If you suspect that the product is damaged please allow only qualified...

Страница 4: ...erate a Pulse Waveform 34 To Generate a Noise Waveform 37 To Set the DC Voltage 39 To Output a Built In Arbitrary Waveform 41 To Use the Built In Help System 43 Chapter 3 Performance Verification 44 Performance Verification Test 44 DC Output Verification 45 AC Amplitude Verification 46 Frequency Response Verification 47 Chapter 4 Assembly Procedures 49 Security Consideration 49 List of Modules 50 ...

Страница 5: ...ck the Main Board 64 Voltage Checking 64 Main Board Clock Checking 64 ARM CPU System Checking 65 Connector Checking 65 Quick Guide for General Failures 66 Chapter 6 Maintenance 67 Maintain Summary 67 Repackaging for Shipment 67 Contact SIGLENT 68 ...

Страница 6: ... describes prepare the generator for use and helps you get familiar with a few of its front panel features Performance Verification Chapter 3 provides Performance Verification Assembly Procedures Chapter 4 provides disassembly procedures to help in gaining an understanding of the structure of the generator in preparing to install or replace any needed modules or troubleshoot faults that might be e...

Страница 7: ...t SDG2000X Models Addressed by this Manual All the description for function and performance in this document are according to the SDG2122X series generator and apply to generator of the other types The SDG2000X series contains the following types Type Analog Bandwidth Channels SDG2042X 40 MHz 2 SDG2082X 80 MHz 2 SDG2122X 120 MHz 2 ...

Страница 8: ...el 120 MHz maximum bandwidth 20 Vpp maximum output amplitude high fidelity output with 80dB dynamic range High performance sampling system with 1 2 GSa s sampling rate and 16 bit vertical resolution No detail in your waveforms will be lost Innovative TrueArb technology based on a point by point architecture supports any 8 pts 8 Mpts Arb waveform with a sampling rate in range of 1 μSa s 75 MSa s In...

Страница 9: ...2X E01B doc IX The Front Panel at a Glance 3 Touch Screen Display 10 Waveform Option Area 4 Numeric Keyboard 5 Knob 1 Power Switch 11 Menu Keys 2 USB Host 6 Arrow 7 CH1 CH2 Control Output Port 9 Function Keys 8 Channel Select Key ...

Страница 10: ...lays the currently selected waveform of each channel 2 Channel Status Bar Indicates the selected status and output configuration of the channels 3 Basic Waveform Parameters Area Shows the current waveform s parameters for the selected channel Press Parameter and select the corresponding softkey to highlight the parameter to configure Then use number keys or knob to change the parameter value 4 Cha...

Страница 11: ...control port the current channel can be turned on off 5 LAN Status Icon The SDG2000X will show different prompt messages based on the current network status This mark indicates LAN connection is successful This mark indicates there is no LAN connection or LAN connection is unsuccessful 6 Mode Icon The SDG2000X will show different prompt messages based on the current choosing status of the mode Thi...

Страница 12: ...tric shock the grounding power cord must not be defeated If only a two contact electrical outlet is available connect the instrument s chassis ground screw see above to a good earth ground Aux In Out 10 MHz Clock Input Output Earth Terminal LAN Interface USB Device AC Power Supply Input Counter Aux In Out ...

Страница 13: ...on Resolution 1μ Hz Initial accuracy 1 1 ppm 25 2 2 ppm 0 40 1st year aging 1 1 ppm 25 10 year aging 3 5 3 5 ppm 25 Sine Characteristics Parameter Min Typ Max Unit Condition Frequency 1μ 120M Hz Harmonic distortion 65 dBc 0 dBm 0 10 MHz Included 60 dBc 0 dBm 10 20 MHz Included 55 dBc 0 dBm 20 40 MHz Included 50 dBc 0 dBm 40 60 MHz Included 45 dBc 0 dBm 60 80 MHz Included 40 dBc 0 dBm 80 100 MHz In...

Страница 14: ...y cycle 0 001 99 999 Limited by frequency setting Duty cycle resolution 0 001 Jitter rms cycle to cycle 150 ps 1 Vpp 50 Ω Load Ramp Characteristics Parameter Min Typ Max Unit Condition Frequency 1μ 1M Hz Symmetry 0 100 Linearity 1 Percentage of peak peak output 1 kHz 1 Vpp 100 symmetry Noise Characteristics Parameter Min Typ Max Unit Condition 3dB bandwidth 120 MHz Arbitrary Wave Characteristics P...

Страница 15: ...Hz Included 50 Ω Load 2 5 Vpp compare to 10 KHz Sine Output impedance 49 5 50 50 5 Ω 10 KHz Sine Output current 200 200 mA Crosstalk 60 dBc CH1 CH2 and CH2 CH1 Note 1 The specification will be divided by 2 when applied to a 50 Ω Load Modulation Characteristics AM Parameter Min Typ Max Unit Condition Carrier Sine Square Ramp Arb Modulation Source Internal External Modulating wave Sine Square Ramp N...

Страница 16: ...1M Hz While modulation source is Internal ASK Parameter Min Typ Max Unit Condition Carrier Sine Square Ramp Arb Modulation Source Internal External Modulating wave Square with 50 duty cycle Keying frequency 1m 1M Hz Limited by frequency setting while modulation source is Internal FSK Parameter Min Typ Max Unit Condition Carrier Sine Square Ramp Arb Modulation Source Internal External Modulating wa...

Страница 17: ...ource Internal External Manual Gated source Internal External Trigger delay 100 s Sweep Characteristics Parameter Min Typ Max Unit Condition Carrier Sine Square Ramp Arb Type Linear Log Direction Up Down Carrier frequency 1μ BW Hz BW is the max output frequency Sweep time 1m 500 s Trigger source Internal External Manual Frequency Counter Characteristics Parameter Min Typ Max Unit Condition Functio...

Страница 18: ...ng Reference Clock Output Parameter Min Typ Max Unit Condition Frequency 10M Hz Synchronized to internal reference clock Amplitude 2 3 3 Vpp HiZ load Output impedance 50 Ω Auxiliary In Out Characteristics Trigger Input Parameter Min Typ Max Unit Condition VIH 2 5 5 V VIL 0 5 0 8 V Input impedance 100 kΩ Pulse width 100 ns Response time 100 ns Sweep 600 ns Burst Trigger Output Parameter Min Typ Max...

Страница 19: ...1 12 13 Vpp General Characteristics Power Parameter Min Typ Max Unit Condition Voltage 100 240 Vrms 10 50 60 Hz 100 120 Vrms 10 400 Hz Power consumption 25 5 50 W Dual channels Sine 1 kHz 10 Vpp 50 Ω load Display Parameter Min Typ Max Unit Condition Color depth 24 bit Contrast ratio 350 1 Luminance 300 cd m2 Touch panel type Resistive Environment Parameter Min Typ Max Unit Condition Operating temp...

Страница 20: ...m 30 Non operatin g altitude 15000 m Calibration Parameter Min Typ Max Unit Condition Calibration interval 1 year Mechanical Parameter Min Typ Max Unit Condition Dimensions W H D 260 3mm 107 2mm 295 7mm Net weight 3 43 kg Gross weight 4 42 kg Compliance LVD IEC 61010 1 2010 EMC EN61326 1 2013 ...

Страница 21: ...iar with some of its front panel operations This chapter is divided into the following sections To Prepare the Generator for Use To Adjust the Carrying Handle To Set the Output Frequency To Set the Output Amplitude To Set a DC Offset Voltage To Set the Duty Cycle of a Square Waveform To Set the Symmetry of a Ramp Waveform To Configure a Pulse Waveform To Configure a Noise Waveform To Set the DC Vo...

Страница 22: ...which takes several seconds The generator powers up in the sine wave function at 1 kHz with an amplitude of 4 V peak to peak CH1 At power on the Output connector is disabled To enable the Output connector press the Output key If the generator does not turn on verify that the power cord is firmly connected to the power socket on the rear panel the power line voltage is automatically sensed at power...

Страница 23: ...M0202X E01B doc 23 To Adjust the Carrying Handle To adjust the position grasp the handle by the sides and pull outward Then rotate the handle to the desired position Pull the handle ahead for easy carrying Pull the handle down ...

Страница 24: ...HighLevel Offset LowLevel and Phase are ready to modify using the numeric keypad 2 Press the Frequency Period softkey The displayed frequency is either the power on value or the frequency previously selected When changing the function the same frequency is used if the current value is valid for the new waveform To set the period press the softkey again to switch to the period parameter 3 Input the...

Страница 25: ...00X_ServiceManual_SM0202X E01B doc 25 Then press the corresponding softkey to select the desired unit For example press kHz Note The desired numerical value can be modified using the knob and direction keys ...

Страница 26: ...lue or the amplitude previously selected When changing the function the same amplitude is used if the current value is valid for the new waveform To set the HighLevel for the waveform press the softkey again to switch to the HighLevel parameter 2 Input the desired amplitude Use the digital keypad to input the value directly enter the value 8 Then press the corresponding softkey to select the desir...

Страница 27: ...SDG2000X_ServiceManual_SM0202X E01B doc 27 ...

Страница 28: ...r the offset previously selected When changing the function the same offset is used if the current value is valid for the new waveform To set the LowLevel for the waveform press the softkey again to switch to the LowLevel parameter 2 Input the desired offset Use the digital keypad to input the value directly enter the value 1 Then press the corresponding softkey to select the desired unit For exam...

Страница 29: ...SDG2000X_ServiceManual_SM0202X E01B doc 29 Note The desired numerical value can be modified using the knob and direction keys ...

Страница 30: ...w to change the duty cycle to 80 1 Select the square wave function Press Waveforms Square to select the square function and then select the desired output frequency to 1 kHz 2 Press the DutyCycle softkey The displayed duty is either the power on value or the percentage previously selected 3 Input the desired duty Use digital keypad to input the value directly enter the value 80 then press the corr...

Страница 31: ...SDG2000X_ServiceManual_SM0202X E01B doc 31 ...

Страница 32: ... symmetry to 60 1 Select the Ramp wave function Press Waveforms Ramp to select the pulse function and then select the desired output frequency to 1 MHz 2 Press the Symmetry softkey The displayed symmetry is either the power on value or the percentage previously selected 3 Input the desired symmetry Use digital keypad to input the value directly enter the value 60 then press the corresponding softk...

Страница 33: ...SDG2000X_ServiceManual_SM0202X E01B doc 33 ...

Страница 34: ...ime of 8 ns and delay time of 50 ns 1 Select the pulse function Press Waveforms Pulse to select the pulse function and output a pulse waveform with the default parameters 2 Set the Pulse period Press the Frequency Period softkey twice and then set the period to 500 µs 3 Set the Pulse Width Press the PulWidth Duty softkey and then set the pulse width to 100 µs The pulse width represents the time fr...

Страница 35: ...00X_ServiceManual_SM0202X E01B doc 35 4 Set the Edge Time Press the Rise Fall softkey and then set the rising edge to 10 ns 5 Set the Pulse Delay Press the Delay softkey and then set the delay time to 50 ns ...

Страница 36: ...SDG2000X_ServiceManual_SM 0202X E01B doc 36 ...

Страница 37: ...an adjustable Stdev and Mean The following steps show you how to generate a noise waveform with 500 mV Stdev and 1 mV Mean 1 Select the Noise function Press Waveforms Noise to select the noise function and output a noise waveform with the default parameters 2 Set the Stdev Press the Stdev softkey and then set the Stdev to 500 mV ...

Страница 38: ...SDG2000X_ServiceManual_SM 0202X E01B doc 38 3 Set the Mean Press the Mean softkey and then set the mean to 1 mV ...

Страница 39: ...w how to set a dc voltage with 1 Vdc 1 Select the DC function Press Waveforms Page 1 2 DC to select the DC function 2 Set the DC Offset Use the digital keypad to input the value directly enter the value 1 Then press the corresponding softkey to select the desired unit For example press Vdc ...

Страница 40: ...SDG2000X_ServiceManual_SM 0202X E01B doc 40 ...

Страница 41: ...ed in non volatile memory The following steps show how to output the built in exponential fall waveform from the front panel 1 Set the arbitrary waveform function Press Waveforms Page 1 2 Arb Type Built In to enter the arbitrary waveform setting interface 2 Set the Math waveform Press the Math softkey to display the mathematic waveform as below ...

Страница 42: ...erviceManual_SM 0202X E01B doc 42 3 Output the exponential fall waveform Rotate the knob to select the ExpFall waveform and press the knob The waveform is output with the present settings unless they are changed ...

Страница 43: ...some functions A list of help topics is also available to assist you with several operations 1 Read the help information Press Utility System Page 1 2 Help to enter the following interface You will see a list of help topics as below Use Up and Down keys then press Select to choose a Help topic 2 Press Cancel or any function button to exit the help system ...

Страница 44: ...n tests are recommended as acceptance tests upon receipt of the instrument The acceptance test results should be compared against the specifications given in chapter 1 After acceptance repeat the performance verification tests at every calibration interval If the instrument fails performance verification adjustment or repair is required ...

Страница 45: ...he instrument to each output value described in the table below and measure the output voltage with the DMM Be sure the generator output load is set to High Z and the output is enabled DC Offset CH1 CH2 Spec Range 1 2 mV 0 mV 2 mV 2 mV 10 mV 7 9 mV 12 1 mV 100 mV 97 mV 103 mV 1 V 0 988 V 1 012 V 3 V 2 968 V 3 032 V 10 V 9 898 V 10 102 V 10 mV 12 1 mV 7 9 mV 100 mV 103 mV 97 mV 1 V 1 012 V 0 988 V ...

Страница 46: ... 3 Select Sine waveform of the generator and set the amplitude to the values listed below in sequence Amplitude V CH1 V CH2 V Spec Range V 1 1 mV 11 10 889 11 111 5 6 5 543 5 657 2 1 979 2 021 0 9 0 89 0 91 0 4 0 395 0 405 0 142 0 13958 0 14442 0 064 0 06236 0 06564 0 022 0 02078 0 02322 0 01 0 0089 0 0111 0 004 0 00296 0 00504 4 Remove the BNC cable to CH2 output and perform the same verification...

Страница 47: ...cy to the values listed below in sequence Output Voltage 1 V 2 5 V Frequency CH1 CH2 Spec Range dBm CH1 CH2 Spec Range dBm 10 KHz 3 6794 4 2794 11 64 12 24 100 KHz 3 6794 4 2794 11 64 12 24 1 MHz 3 6794 4 2794 11 64 12 24 5 MHz 3 6794 4 2794 11 64 12 24 10 MHz 3 6794 4 2794 11 64 12 24 20 MHz 3 6794 4 2794 11 64 12 24 30 MHz 3 6794 4 2794 11 64 12 24 50 MHz 3 6794 4 2794 11 64 12 24 80 MHz 3 6794 ...

Страница 48: ...SDG2000X_ServiceManual_SM 0202X E01B doc 48 CH1 5 Compare the value measured from Power Meter to the spec range shown in the table above ...

Страница 49: ...ble disconnect the power before removing or replacing Otherwise personal injuries or damages to the components may occur Avoid Electric Shock Hazardous voltages exist on the LCD module and power supply module To avoid electrical shock disconnect the power cord from the generator and then wait at least three minutes for the capacitors in the generator to discharge before beginning the disassembly P...

Страница 50: ...y anti static solder suckers List of Modules The following removable modules are listed in the order of performing disassembly procedures Number of Module Module 1 Handle 2 Metal Shell and Rear Cabinet 3 Front Cabinet 4 Display Module 5 Main Body Required Tools Use these tools to remove or replace the modules in the generator T10 and T15 Torx screwdriver ...

Страница 51: ...s listed above in detail Complete disassembly will be best achieved through the following operating steps 1 Pull out the handle hard from the two sides of the generator 2 After removing 4PCS screws of the pad and 1PCS screw at the bottom of the generator s case remove the metal shell carefully from the main body to avoid being scratched ...

Страница 52: ...w and pull out the cable as show and then remove the 5PCS screws as shown in the following figure 4 Separate the front panel from the main body of the generator 5 Pull out the knob and then remove the screws attaching the hardware partition plate and the front cabinet screws ...

Страница 53: ...SDG2000X_ServiceManual_SM0202X E01B doc 53 6 Remove the keypad circuit board assembly 7 Remove the 3PCS screws holding the screen bracket and remove the ...

Страница 54: ...dex number as shown in the following figure and remove the keyboard 9 Remove all the 9 screws fixed the main board and power supply board using the T10 Torx screwdriver and separate the main board and power supply board carefully from the main body of the generator to avoid being scratched by the sharp metal edge ...

Страница 55: ... E01B doc 55 10 Pull out the connecting cable as shown in the following figure and then remove the fan rear interface board channel board and main board Note To assemble the generator please follow these same steps in reverse order ...

Страница 56: ...rator ESD Precautions While performing any internal test of the generator please refer to the following precautions to avoid damages to its internal modules or components resulting from ESD Handle circuit boards by their edges as much as possible Avoid handling of static sensitive modules if not necessary Wear a grounded antistatic wrist strap to drain the static voltage from your body while touch...

Страница 57: ...SDG2000X_ServiceManual_SM0202X E01B doc 57 Oscilloscope 300 MHz Bandwidth SDS2304X ...

Страница 58: ...d of signal conditioning board for generating analog signal It mainly deals with the adjusting of signal parameters such as frequency amplitude and so on Please refer to the following drawing to quickly locate the test points on the channel board for easy resolution of any problems encountered ...

Страница 59: ...the generator that contains an ARM CPU system It completes the GUI function controlling and configuration function of the channel board as well as the user interface Please refer to the following drawing to quickly locate the test points on the main board for easy resolution of any problems encountered ...

Страница 60: ...r for channel board which contains 6 pins from Pin 1 to Pin 6 Since two of the six pins are ground wire test the other four pins that are marked with blue yellow red and white to check whether the voltage value is within the corresponding specified range using a digital multimeter The voltage parameters to be tested are listed in the table below Table 5 2 Test Voltages of Power Connector Voltage v...

Страница 61: ...ast one voltage value that is out of the specified range then the power supply module appears to be problematic and a replacement will be required For safety please have qualified technical personnel to disassemble the power supply module Note The main power supply provides an input fuse to protect against the danger of fire in the event of a failure of the power supply circuitry However this fuse...

Страница 62: ... within the specified range using a digital multimeter The voltage parameters to be tested are listed in table 5 4 Voltage Checking Test the voltage points on the channel board in the table below To locate the test points please refer to the drawing of the channel board If not each tested voltage value is within the corresponding spec range referring to table 5 4 it proves to be faulted please ret...

Страница 63: ...g The LED light flashes at the rate of 1Hz in normal case if it cannot be lighted or twinkles at incorrect frequency then the FPGA may be at fault Connector Checking Table 5 5 Connectors of the Channel Board Connector Function CON_J1 Communication between the main board and the channel board CON_J5 Communication between the channel board and the interface board CON_J6 Power supply of the channel b...

Страница 64: ...e tested are listed in table 5 6 Voltage Checking Test the voltage points on the main board and compare to the table below If each tested voltage value is within the corresponding specified range referring to the table below then the main board works normally If the voltages are out of the specified range please return it to the factory to have it repaired or contact SIGLENT Table 5 6 Test Voltage...

Страница 65: ...erating state Otherwise there may be a problem with it Connector Checking Table 5 8 Connectors of the Main Board Connector Function M_CON_J3 Communication between the main board and the Key and LCD board M_CON_J14 Power supply of the main board M_CON_J4 Communication between the main board and the channel board M_CON_J15 USB host connector Table 5 8 explains the function of all the connectors on m...

Страница 66: ...does not work normally please contact SIGLENT 2 Starts up with a dark screen 1 Check the connection between the power supply and the main board 2 Check the connection between the keypad circuit board and the main board 3 If the instrument still does not work normally please contact SIGLENT 3 No response after pressing any button or abnormal display of the screen 1 Check the connection between the ...

Страница 67: ...SIGLENT makes no warranty of any kind express or implied including without limitation the implied warranties of merchantability and fitness for a particular purpose In no case shall SIGLENT be liable for indirect special or consequential damages Repackaging for Shipment If the unit needs to be shipped to SIGLENT for service or repair be sure 1 Attach a tag to the unit identifying the owner and ind...

Страница 68: ... 86 755 3359 1582 sales siglent com www int siglent com North America SIGLENT Technologies America Inc 6557 Cochran Rd Solon Ohio 44139 Tel 440 398 5800 Toll Free 877 515 5551 Fax 440 399 1211 info siglent com www siglentamerica com Europe Siglent Technologies Germany GmbH Staetzlinger Str 70 86165 Augsburg Germany Tel 49 0 821 666 0 111 0 Fax 49 0 821 666 0 111 22 E mail info eu siglent com Web h...

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