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SDG2122X
User Manual
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SIGLENT SDG2042X, SDG2082X, SDG2122X User Manual

SIGLENT
User Manual
SDG2000X Series Function/Arbitrary Waveform Generator
UM0202X-E02A
2017 SIGLENT TECHNOLOGIES CO., LTD
SDG2000X User Manual I
Declaration
Copyright © SIGLENT TECHNOLOGIES CO., LTD. All rights reserved. Without permission, contents in this manual are not allowed to be copied, extracted or translated.
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General Safety Summary
Carefully read the following safety precautions to avoid any personal injuries or damages to the instrument and any product connected to it. To avoid potential hazards, please use the instrument as specified.
Only qualified technical personnel should service this instrument. Avoid fire or open flame. Use properly rated power line connections.
Use only the specified power line which has been approved by your local regulatory agency.
Ground the Instrument.
The instrument is grounded through the protective ground conductor of the power line. To avoid electric shock, the ground conductor must be connected to the earth ground. Make sure the instrument is grounded correctly before connecting its input or output terminals.
Connect the signal wire correctly.
The potential of the signal wire ground is equal to the earth, therefore do not connect the signal wire to a high voltage. Do not touch the exposed contacts or components.
Observe all terminal ratings.
To avoid fire or electric shock, please observe all ratings and sign 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 let only qualified service personnel check it.
Avoid circuit or wire exposure.
Do not touch exposed contacts or components when the power is on.
Do not operate in wet/damp conditions. Do not operate in an explosive atmosphere. Keep the surface of the instrument clean and dry.
SDG2000X User Manual III
Safety Terms and Symbols
Terms used on the instrument. Terms may appear on the instrument: DANGER: Indicates an injury or hazard that may immediately happen. WARNING: Indicates an injury or hazard that may not immediately happen. CAUTION: Indicates that a potential damage to the instrument or other
property might occur.
Symbols used on the instrument. Symbols may appear on the instrument:
Hazardous Protective Warning Chassis Power Voltage Earth Ground Ground Switch
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Introduction of SDG2000X
The manual covers the following 3 models of SDG2000X Series Function/Arbitrary Waveform Generators: SDG2042X, SDG2082X and SDG2122X.
SIGLENT‘s SDG2000X is a series of dual-channel function/arbitrary waveform generators with specifications of up to 120MHz maximum bandwidth,
1.2GSa/s sampling rate and 16-bit vertical resolution. The proprietary TrueArb & EasyPulse techniques help to solve the weaknesses inherent in traditional DDS generators when generating arbitrary, square and pulse waveforms. Using these techniques the SDG2000X provides users with a variety of high fidelity, low jitter signals in order to meet the growing requirements for a multitude of complex applications.
Key Features
Dual-channel, 120MHz maximum bandwidth, 20Vpp maximum output
amplitude, output with 80dB dynamic range
High-performance sampling system with 1.2GSa/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 8pts~8Mpts Arb waveform with a sampling rate in range of 1μSa/s~75MSa/s
Innovative Easy Pulse technology, capable of generating lower jitter
Square or Pulse waveforms, brings a wide range and extremely high precision in pulse width and rise/fall times adjustment
A variety of analog and digital modulation types: AM、DSB-AM、FM、PM、
FSK、ASK 、PSK and PWM
Sweep and Burst functions
SDG2000X User Manual V
Harmonic waveforms generating function Waveforms combining function High precision Frequency Counter 196 kinds of built-in arbitrary waveforms Standard interfaces: USB Host, USB Device（USBTMC）, LAN（VXI-11）
Optional interface: GPIB
4.3‖ touch screen display for easier operation
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Catalog
General Safety Summary ............................................................................... III
Introduction of SDG2000X ............................................................................. V
1 Quick Start ................................................................................................ 1
1.1 Handle Adjustment ....................................................................... 2
1.2 The Front/Rear Panel ................................................................... 3
1.3 To Select a Waveform ................................................................... 8
1.4 To Set Modulation/Sweep/Burst.................................................. 12
1.5 To Turn On/Off Output ................................................................ 14
1.6 To Use Numeric Input ................................................................. 15
1.7 To Use Common Function Keys ................................................. 16
2 Front Panel Operations ........................................................................... 17
2.1 To Set Sine Waveform ................................................................ 18
2.2 To Set Square Waveform ............................................................ 23
2.3 To Set Ramp Waveform .............................................................. 26
2.4 To Set Pulse Waveform .............................................................. 28
2.5 To Set Noise Waveform .............................................................. 32
2.6 To Set DC Waveform .................................................................. 36
2.7 To Set Arbitrary Waveform .......................................................... 37
2.8 To Set Harmonic Function .......................................................... 48
2.9 To Set Modulation Function ........................................................ 51
2.9.1 AM ........................................................................................ 52
2.9.2 DSB-AM ............................................................................... 55
2.9.3 FM ........................................................................................ 57
2.9.4 PM ........................................................................................ 59
2.9.5 FSK ...................................................................................... 61
2.9.6 ASK ...................................................................................... 63
2.9.7 PSK ...................................................................................... 64
2.9.8 PWM .................................................................................... 66
2.10 To Set Sweep Function ............................................................... 69
2.11 To Set Burst Function ................................................................. 74
2.12 To Store and Recall .................................................................... 80
2.12.1 Storage System ............................................................. 81
SDG2000X User Manual VII
2.12.2 File Type ........................................................................ 82
2.12.3 File Operation ................................................................ 84
2.13 To Set Utility Function ................................................................. 88
2.13.1 System Settings ............................................................. 90
2.13.2 Test/Cal .......................................................................... 98
2.13.3 Frequency Counter ...................................................... 103
2.13.4 Output .......................................................................... 106
2.13.5 CH Copy/Coupling ....................................................... 109
2.13.6 Remote Interface ......................................................... 114
2.13.7 Sync Output ................................................................. 120
2.13.8 Clock Source ................................................................ 122
2.13.9 Mode ............................................................................ 123
2.13.10 Overvoltage Protection................................................. 125
3 Examples .............................................................................................. 126
3.1 Example 1: Generate a Sine Waveform ................................... 127
3.2 Example 2: Generate a Square Waveform ............................... 129
3.3 Example 3: Generate a Ramp Waveform ................................. 131
3.4 Example 4: Generate a Pulse Waveform .................................. 133
3.5 Example 5: Generate a Noise .................................................. 135
3.6 Example 6: Generate a DC Waveform ..................................... 136
3.7 Example7: Generate a Linear Sweep Waveform ...................... 137
3.8 Example 8: Generate a Burst Waveform .................................. 139
3.9 Example 9: Generate an AM Modulation Waveform ................. 141
3.10 Example 10: Generate a FM Modulation Waveform ................. 143
3.11 Example 11: Generate a PM Modulation Waveform ........... 145
3.12 Example 12: Generate a FSK Modulation Waveform ......... 147
3.13 Example 13: Generate an ASK Modulation Waveform ............. 149
3.14 Example 14: Generate a PSK Modulation Waveform ............... 151
3.15 Example 15: Generate a PWM Modulation Waveform ............. 153
3.16 Example 16: Generate a DSB-AM Modulation Waveform ........ 155
4 Troubleshooting .................................................................................... 157
4.1 General Inspecting ................................................................... 157
4.2 Troubleshooting ........................................................................ 158
5 Service and Support ............................................................................. 159
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5.1 Maintenance summary ............................................................. 159
5.2 Contact SIGLENT ..................................................................... 160
6 Appendix ............................................................................................... 161
Appendix A: Accessories ...................................................................... 161
Appendix B: Daily Maintenance and Cleaning ..................................... 162
SDG2000X User Manual IX
1 Quick Start
This chapter covers the following topics:
Handle Adjustment The Front/Rear Panel To Select a Waveform To Set Modulation/Sweep/Burst To Turn On/Off Output To Use Numeric Input
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To Use Common Function Keys
SDG2000X User Manual 1
1.1 Handle Adjustment
To adjust the handle position of SDG2000X, please grip the handle by the sides and pull it outward. Then, make the handle rotate to the desired position.
Figure 1-1 Viewing Position and Carrying Position
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USB Host
Numeric Keyboard
Power Key
User Interface
Menu
Softkeys
Function
Keys
Channel Control
Arrow
Keys
1.2 The Front/Rear Panel
This chapter will provide a brief introduction and description for the operation and functions of the front/rear panel.
Front Panel
SDG2000X has a clear and simple front panel which includes 4.3 inch touch screen, menu softkeys, numeric keyboard, knob, function keys, arrow keys, and channel control area, etc.
Figure 1-2 Front Panel of SDG2000X
SDG2000X User Manual 3
Aux
In/Out
10 MHz Clock Input/Output
Earth Terminal
LAN Interface
USB Device
AC Power Supply
Input
Counter
Rear Panel
The rear panel provides multiple interfaces, including Counter, 10MHz In/Out, Aux In/Out, LAN, USB Device, Earth Terminal and AC Power Supply Input.
Figure 1-3 Rear Panel of SDG2000X
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1 2
4 3 8 7 6 5
Touch Screen Display
SDG2000X can only display parameters and waveform of one channel at a time. The picture below shows the interface when CH1 chooses AM modulation of sine waveform. The information displayed may vary depending on the function selected. The entire screen of the SDG2000X is a touch screen. You can use your figure or touch pen to control the instrument. Most functions and selections can be chosen using the touch screen in a similar manner to the front panel keys and knob.
Figure 1-4 Touch Screen Display
1. Waveform Display Area
Displays the currently selected waveform of each channel.
2. Channel Status Bar
Indicates the selected status and output configuration of the channels.
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3. Basic Waveform Parameters Area
Shows the current waveform‘s parameters of each 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. Channel Parameters Area
Displays the load and output settings of the currently selected channel. Load ----Value of the output load, as selected by the user. Press Utility → Output → Load, then use the softkeys, number keys or knob to
change the parameter value; or continue pressing the corresponding output key for two second to switch between High Impedance and 50Ω. High Impedance: display HiZ.
Load: display impedance value (the default is 50Ω and the range is 50Ω to
100kΩ). Note: This setting does not actually change the instrument‘s output impedance
of 50Ω but rather is used to maintain amplitude accuracy into different load
values.
Output ----Channel output state. After pressing corresponding channel output control port, the current channel can be turned on/off.
5. LAN Status Icon
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
SDG2000X will show different prompt messages based on the current mode.
This mark indicates current mode is Phase-locked.
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This mark indicates current mode is Independent.
7. Menu
Shows the menu corresponding to the displayed function. For example, Figure 1-4 Touch Screen Display shows the parameters of ―AM modulation‖.
8. Modulation Parameters Area
Shows the parameters of the current modulation function. After selecting the corresponding menu, use number keys or knob to change the parameter value.
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1.3 To Select a Waveform
Press Waveforms to enter the menu as Figure 1-5 shows. The example below will help familiarize with the waveform selection settings.
Figure 1-5 Waveform Selections
1. Press Waveforms key and then press Sine softkey. The SDG2000X can generate sine waveforms with frequencies from 1μHz to 120MHz. By
setting Frequency/Period, Amplitude/High level, Offset/Low level and Phase, a sine signal with different parameters can be generated.
Figure 1-6 Sine Display Interface
2. Press Waveforms key and then press Square softkey. The generator can generate square waveforms with frequencies from 1μHz to 25MHz and
variable duty cycle. By setting Frequency/Period, Amplitude/High level, Offset/Low level, Phase and DutyCycle, a square waveform with different parameters can be generated.
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Figure 1-7 Square Display Interface
3. Press Waveforms key and then press Ramp softkey. The generator can generate ramp waveforms with frequencies from 1μHz to 1MHz and
variable symmetry. By setting Frequency/Period, Amplitude/High level, Offset/Low level, Phase and Symmetry, a ramp waveform with different parameters can be generated.
Figure 1-8 Ramp Display Interface
4. Press Waveforms key and then press Pulse softkey. The generator can generate pulse waveforms with frequencies from 1μHz to 25 MHz and
variable pulse width and rise/fall times. By setting Frequency/Period, Amplitude/High level, Offset/Low level, PulWidth/Duty, Rise/Fall and Delay,
SDG2000X User Manual 9
a pulse waveform with different parameters can be generated.
Figure 1-9 Pulse Display Interface
5. Press Waveforms key and then press Noise softkey. The generator can generate noise with bandwidth from 20MHz to 120MHz. By setting Stdev
and Mean, noise with different parameters can be generated.
Figure 1-10 Noise Display Interface
6. Press Waveforms key and then press Page 1/2, last press the DC softkey. The generator can generate a DC signal with a level up to ±10V into a
HighZ load or ±5V into a 50Ω load.
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Figure 1-11 DC Display Interface
7. Press Waveforms key and then press Page 1/2, last press the Arb softkey. The generator can generate repeatable arbitrary waveforms with length
from 8 to 8M points and frequencies up to 20MHz. By setting Frequency/Period, Amplitude/High level, Offset/Low level, Phase and Arb Mode, an arbitrary signal with different parameters can be generated.
Figure 1-12 Arbitrary Waveform Display Interface
SDG2000X User Manual 11
1.4 To Set Modulation/Sweep/Burst
As shown in Figure 1-13, there are three keys on the front panel which are used for modulation, sweep and burst settings. The instructions below will help to explain these functions.
Figure 1-13 Modulate/Sweep/Burst Key
1. Press Mod, the Modulation function will be enabled.
The modulated waveform can be changed by modifying the parameters such as Type, Source, AM Depth, AM Freq, Shape, etc. The SDG2000X can modulate waveforms using AM, FM, PM, ASK, FSK, PSK, PWM and DSB-AM, etc. Pulse waveforms can only be modulated using PWM. Noise and DC waveforms cannot be modulated.
Figure 1-14 Modulation Display Interface
2. Press Sweep, the Sweep function will be enabled.
Sine, square, ramp and arbitrary waveforms support the sweep function. In sweep mode, the SDG2000X can generate signals with variable frequency. The available range of sweep time is from 1ms to 500s. The trigger source can be ―Internal‖, ―External‖ or ―Manual‖.
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Figure 1-15 Sweep Waveform Display Interface
3. Press Burst, the Burst function will be enabled.
SIGLENT
Burst signals for sine, square, ramp, pulse or arbitrary waveforms may be generated. Start Phase ranges from 0° to 360° and Burst Period ranges from 1μs to 1000s.
Figure 1-16 Burst Waveform Display Interface
SDG2000X User Manual 13
1.5 To Turn On/Off Output
As shown in Figure 1-17 there are two keys on the right side of the operation panel which are used to enable / disable the output of the two channels. Choose a channel and press the corresponding Output key, the key backlight
will be lighted and the output will be enabled. Press the Output key again, the key backlight will be extinguished and the output will be disabled.
Keep pressing the corresponding output key for two seconds to switch between High Impedance and 50Ω load.
Figure 1-17 Output Keys
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1.6 To Use Numeric Input
As shown in Figure 1-18, there are three sets of keys on the front panel, which are arrow keys, knob and numeric keyboard. The instructions below will help to familiarize you with the digital input selection.
Figure 1-18 Front Panel Digital Input
1. The numeric keyboard is used to enter the parameter‘s value.
2. The knob is used to increase (clockwise) or decrease (counterclockwise) the current digit when setting parameters
3. When using knob to set parameters, the arrow keys are used to select the digit to be modified; When using numeric keyboard to set parameters, the left arrow key is used as a Backspace function.
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1.7 To Use Common Function Keys
As shown in Figure 1-19, there are five keys on the operation panel, which are labeled Parameter, Utility, Store/Recall, Waveforms, and Ch1/Ch2. The instructions below will help to familiarize you with these functions.
Figure 1-19 Waveforms Utility and Parameter Key
1. The Parameter key makes it convenient for the operator to set the parameters of basic waveforms directly.
2. The Utility key is used to set the auxiliary system function, such as output configurations, interface setting, system setting information, performing
the instrument self-test and reading the calibration information, etc.
3. The Store/Recall key is used to store and recall waveform data and configuration information.
4. The Waveforms key is used to select basic waveforms.
5. The Ch1/Ch2 key is used to switch the currently selected channel between CH1 and CH2. After start-up, CH1 is selected as default. At this
point, press the key to select CH2.
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2 Front Panel Operations
Up to now, you have got a brief understanding about SDG2000X with the front/rear panel, every function control area and keys. You should also know how to set your Function/Arbitrary Waveform Generator for your usage. If you are not familiar with these operations, you are suggested to read chapter one ‗Quick Start‘ again.
This chapter covers the following topics:
To Set Sine To Set Square To Set Ramp To Set Pulse To Set Noise To Set DC To Set Arbitrary To Set Harmonic Function To Set Modulation Function To Set Sweep Function To Set Burst Function To Store and Recall To Set Utility Function
It is recommended that you read this chapter carefully so as to understand the SDG2000X‘s versatile waveform setting functions and additional operation methods.
SDG2000X User Manual 17
FuS e
Explanations
Frequency/ Period
Set the signal frequency or period; The current parameter will be switched at a second press.
Amplitude/ HighLevel
Set the signal amplitude or high level; The current parameter will be switched at a second press.
Offset/ LowLevel
Set the signal offset or low level; The current parameter will be switched at a second press.
Phase
Set the phase of the signal.
2.1 To Set Sine Waveform
Press Waveforms key to select the waveform function and then press the Sine softkey. The sine waveform parameters are set by using the sine operation
menu.
The parameters available for sine waveforms include frequency/period, amplitude/high level, offset/low level and phase. Different sine signals can be generated by setting these parameters. As shown in Figure 2-1, in the soft key menu, select Frequency. The frequency parameter area is highlighted in the parameter display window, and users can set the frequency value here.
Figure 2-1 Sine Parameters Display Interface
Table 2-1 Menu Explanations of Sine Waveform
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To Set the Frequency/Period
Frequency is one of the most important parameters of basic waveforms. For different instrument models and waveforms, the available ranges of frequency are different. For detailed information, please refer to ―SDG2000X Datasheet‖. The default frequency is 1kHz.
1. Press Waveforms → Sine → Frequency, to set the frequency parameter.
The frequency shown on the screen when the instrument is powered on is the default value or the set value of last power down. If Period (rather than Frequency) is the desired parameter, press Frequency/Period again to enter
the Period mode. The current value for the waveform‘s period is now
displayed in inverse color. Press the Frequency/Period key once again to return to the Frequency entry mode.
2. Input the desired frequency.
Use the numeric keyboard to input the parameter value directly, and press the corresponding key to select the parameter unit. Or use the arrow keys to select the digit to edit, and then use the knob to change its value.
Figure 2-2 Setting the Frequency
Note:
When using the numeric keyboard to enter the value, the left arrow key can be used to move the cursor backward and delete the value of the previous digit.
SDG2000X User Manual 19
To Set the Amplitude
The amplitude setting range is limited by the ―Load‖ and ―Frequency/Period‖ settings. For detailed information, please refer to ―SDG2000X Datasheet‖.
1. Press Waveforms → Sine → Amplitude, to set the amplitude.
The amplitude shown on the screen when the instrument is powered on is the default value or the set value of last power down. If setting the waveform‘s high level is desired, press the Amplitude/HighLevel key again to switch into the high level parameter (the current operation is displayed in inverse color).
2. Input the desired amplitude.
Use the numeric keyboard to input the parameter value directly, and press the corresponding key to select the parameter unit. Or use the arrow keys to select the digit to edit, and then use the knob to change its value.
Figure 2-3 Setting the Amplitude
To Set the Offset
The offset setting range is limited by the ―Load‖ and ―Amplitude/HighLevel‖ settings. For detailed information, please refer to ―SDG2000X Datasheet‖. The default value is 0Vdc.
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