Unit UTG9504T User manual

UTG9000T Series
Function/ Arbitrary Waveform Generator
User’s Manual
2021．09
UNI-T Technologies, Inc.

UTG9000T Series Function Abitrary Waveform Generator
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Perface
Thank you for purchasing this brand new product. In order to use this product safely and correctly, please read this
manual thoroughly, especially the safety notes.
After reading this manual, it is recommended to keep the manual at an easily accessible place, preferably close to
the device, for future reference.

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Copyright Information
Copyright is owned by Uni-Trend Technology (China) Limited.
UNI-T products are protected by patent right of China or other counties, including patents that have been obtained or
are being applied for.
The company reserves the right to change specification and price of products.
UNI-T reserves all rights. Licensed software products are owned by UNI-T and its subsidiaries or providers, and
protected by provisions of national copyright laws and international treaties. Information in this paper will replace
information in all data published.
UNI-T is the registered trademark of Uni-Trend Technology (China) Limited.
If the original purchaser sells or transfers the product to the third party within 3 years after purchase, the warranty
period should be 3 years from the original purchaser purchases the product from UNI-T or the authorized distributor.
Accessories and fuse, etc. are not protected by this warranty.
If the product is proven to be defective during the applicable warranty period, UNI-T can repair the defective product
without charging expenses of components and labor, or replace the defective product with equivalent product at its
discretion. UNI-T’s components, modules and replaced products for warranty may be brand new, or have
performance equivalent to that of new products after repair. All replaced components, modules and products will be
properties of UNI-T.
The “customers” below are individuals or entities of rights provided in the warranty according to the statement. In
order to obtain services promised in the warranty, “customers” must report defects to UNI-T during the applicable
warranty period, and make appropriate arrangement for performance of services. Customers should be responsible
for packing of defective products and transport them to maintenance center designated by UNI-T, pay freight in
advance and provide copy of proof of purchase of the original purchaser. If the product is transported to a place in the
country where UNI-T maintenance center is, UNI-T should pay for returning the product to the customer. If the
product is transported to any other places, the customer should pay all freight, duties, taxes and any other expenses.
The warranty is inapplicable to any defects, failures or damages caused by accident, normal wear of components,
use beyond specified scope or improper use of product, or improper or insufficient maintenance. UNI-T is not obliged
to provide the services below as prescribed by the warranty:
a) Repair damage caused by installation, repair or maintenance of personnel other than service representatives of
UNI-T;
b) Repair damage caused by improper use or connection to incompatible equipment;
c) Repair any damages or failures caused by using power source not provided by UNI-T;
d) Repair products that have been changed or integrated with other products (if such change or integration increases
time or difficulty of repair).
The warranty is formulated by UNI-T for this product, replacing any other express or implied warranties. UNI-T and its

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distributors refuse to give any implied warranty for marketability or applicability for special purpose. For violation of
the warranty, repair or replacement of defective products is the only and all remedial measure UNI-T provides for
customers. No matter whether UNI-T and its distributors are informed of any possible indirect, special, occasional or
inevitable damage in advance, they assume no responsibility for such damage.

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UTG9000T Series Function/Arbitrary
Waveform Generator
This product has DDS (direct digital fraquency synthesis) function, it can present high precision, stable, pure and low
distortion signal.Plus, it can also offer wave in high frequeny with quick rising edge and falling edge. It is a
high-performance, multifunction four channel arbitrary function generator. Convience touch screen, superior
technical index and humanity graph display design for your better work performance. This product is a multi-purpose
generator to meet your current and future testing needs.
Features
Standard four channel with separate output channel mode
Nine carrier waves: sine wave, square wave, ramp wave, pulse wave, harmonic wave, noise, PRBS (pseudo
random binary sequence), DC, arbitrary wave
The maximum sampling rate 2.5GSa/s, the vertical resolution 16bits and 14bits
Adjustable noise bandwidth
Sine wave output: 600MHz/500MHz/350MHz, full-band: 1μHz
Square wave output: 200MHz/160MHz/120MHz, the minimum edge time: within 1.5ns, adjustable duty ratio
Pulse wave output: 200MHz/160MHz/120MHz, wide dynamic range high precise adjustable rising/falling edge
time, adjustable duty ratio
It can output phase and amplititude, independent and adjustable 2~16 hamronic wave
The maximum output swing: 20Vpp
It can output arbitrary wave 8pts～64Mpts, offer point-by-point, over 200 sets non - volatile digital arbitrary wave
storage
It can store 16GB（opional）or 20MB arbitrary file（.bsv or.csv）, the instrument status file
It can read arbitrary wave file（.bsv or.csv）and the instrument file storage in USB
Abundant modulation types: AM、FM、PM、DSB-AM、QAM、ASK、FSK、3FSK、4FSK、PSK、BPSK、QPSK、
OSK、PWM、SUM
Linear sweep, logarithmic sweep, list frequency sweep, stepping frequency sweep
Offer frequency sweep and burst (pulse string) output
Digital protocol output：SPI、IIC、UART
SNR(signal to noise ratio) one-click output
Double channel can be internal/external modulating, internal/external/trigger respectivelyor at the same time

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Hardware frequency counter：800MHz、AC/DC current coupling
Powerful upper-computer software and arbitrary editor
10.1 capacitive touch screen, 1280*800 resolution
Standard configration interface: USB Host,USB Device, LAN, independent input and output 10MHz colock
source
Easy-to-use multi-purpose knob and numeric keyboard
Offer NeptuneLab system management software

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Table of Contents
Perface............................................................................................................................................................................................. 2
Copyright Information ..................................................................................................................................................................... 3
UTG9000T Series Function/Arbitrary Waveform Generator ........................................................................................................... 5
Table of Contents............................................................................................................................................................................. 7
Chapter 1 Safety Information ........................................................................................................................................................ 10
1.1 Terms and symbols .......................................................................................................................................................... 10
1.2 General Safety Overview ................................................................................................................................................. 11
Chapter 2 Qick Guide..................................................................................................................................................................... 12
2.1 General Inspection .......................................................................................................................................................... 12
2.1.1 Inspect the Damage of Transportation ................................................................................................................. 12
2.1.2 Inspect the Accessories ........................................................................................................................................ 12
2.1.3 Inspect the Instrument ......................................................................................................................................... 12
2.2 Introduction of Panels and Keys ...................................................................................................................................... 12
2.2.1 Front Panel............................................................................................................................................................ 12
2.2.2 Back Panel............................................................................................................................................................. 14
2.2.3 Touch Screen Display Interface............................................................................................................................. 16
2.3 Output the Carrier wave................................................................................................................................................ 17
2.3.1 Frequency Output Settings................................................................................................................................... 18
2.3.2 Output Amplitude Settings................................................................................................................................... 18
2.3.3 DC Offset Voltage Settings.................................................................................................................................... 19
2.3.4 Squre Wave Settings ............................................................................................................................................. 19
2.3.5 Pulse Wave Settings.............................................................................................................................................. 20
2.3.6 DC Voltage Settings............................................................................................................................................... 20
2.3.7 Ramp Wave Settings ............................................................................................................................................. 21
2.3.8 Noise Wave Settings ............................................................................................................................................. 21
2.3.9 Hamonic Wave Settings ........................................................................................................................................ 22
2.3.10 PRBS Wave Settings ............................................................................................................................................ 23
2.3.11 Noise Superposition Settings.............................................................................................................................. 23
2.4 Secondary Function Settings ..................................................................................................................................... 24
2.4.1 Channel Settings ................................................................................................................................................... 24
2.4.2 Channel Coupling.................................................................................................................................................. 25
2.4.3 Channel Merging .................................................................................................................................................. 27
2.4.4 Frequency Counter ............................................................................................................................................... 28
2.4.6 System .................................................................................................................................................................. 29
Chapter 3 Advanced Applications.................................................................................................................................................. 33
3.1 Output Modulation Waveform........................................................................................................................................ 33
3.1.1 AM (Amplitude Modualtion) ................................................................................................................................ 33
3.1.2 FM (Frequency Modulation)................................................................................................................................. 39
3.1.3 PM (Phase Modualtion)........................................................................................................................................ 45
3.1.4 ASK (Amplitude Shift Keying)................................................................................................................................ 50
3.1.5 FSK (Frequency Shift Keying) ................................................................................................................................ 54
3.1.6 3FSK Modulation (Three Frequency Shift Keying) ................................................................................................ 59

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3.1.7 4FSK Modulation (Four Frequency Shift Keying) .................................................................................................. 63
3.1.8 PSK (Phase Shift Keying) ....................................................................................................................................... 67
3.1.9 BPSK (Double Phase Shift Keying)......................................................................................................................... 71
3.1.10 QPSK (Quad-Phase Shift Keying)......................................................................................................................... 75
3.1.11 OSK (Oscillation Keying)...................................................................................................................................... 80
3.1.12 SUM (Sum Modulation)...................................................................................................................................... 84
3.1.13 DSB-AM (Double Side Band Amplitude Modulation) ......................................................................................... 89
3.1.14 QAM (Quadrature Amplitude Modulation) ........................................................................................................ 94
3.1.15 PWM (Pulse Width Modulation) ........................................................................................................................ 98
3.2 Output Frequency Sweep Waveform ............................................................................................................................ 103
3.2.1 Select Frequency Sweep..................................................................................................................................... 104
3.2.2 Starting and stop frequency settings.................................................................................................................. 104
3.2.3 Frequency Sweep Mode ..................................................................................................................................... 105
3.2.4 Frequency Sweep Time....................................................................................................................................... 106
3.2.5 Select trigger source........................................................................................................................................... 106
3.2.6 Trigger Output .................................................................................................................................................... 107
3.2.7 Trigger Edge ........................................................................................................................................................ 107
3.2.8 Comperhensive example .................................................................................................................................... 108
3.3 Output Burst Waveform ................................................................................................................................................ 110
3.3.1 Select Burst......................................................................................................................................................... 110
3.3.2 Burst Type........................................................................................................................................................... 112
3.3.3 Initial Phase of Burst........................................................................................................................................... 113
3.3.4 Burst Period ........................................................................................................................................................ 113
3.3.5 Counting of Burst................................................................................................................................................ 114
3.3.6 Select Trigger Source..................................................................................................................................... 114
3.3.7 Trigger Output .................................................................................................................................................... 115
3.3.8 Trigger Edge ........................................................................................................................................................ 115
3.3.9 Comprehensive example .................................................................................................................................... 115
3.4 Output Abitrary Waveform............................................................................................................................................ 118
3.4.1 Turn on arbitrary waveform mode ..................................................................................................................... 118
3.4.2 Point by point output/ DDS mode ...................................................................................................................... 119
3.4.3 Select Abitrary Waveform................................................................................................................................... 119
3.4.4 Create and edit arbitrary waveform ................................................................................................................... 127
3.5 Output Digital Protocol.................................................................................................................................................. 127
3.5.1 SPI Protocol......................................................................................................................................................... 127
3.5.2 IIC Protocol ......................................................................................................................................................... 130
3.5.3 UART Protocol..................................................................................................................................................... 133
Chapter 4 Troubleshooting.......................................................................................................................................................... 137
4.1 No Display on Screen（Blank Screen）........................................................................................................................ 137
4.2 No Waveform Output .................................................................................................................................................... 137
4.3 Fail to Recognize USB..................................................................................................................................................... 137
Chapter 5 Service and Support.................................................................................................................................................... 138
5.1 Upgrade Product Program............................................................................................................................................. 138
5.2 Warranty........................................................................................................................................................................ 138

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5.3 Contact US ..................................................................................................................................................................... 138
Appendix A：Factory Setting ...................................................................................................................................................... 139
Appendix B：Performance Index ................................................................................................................................................ 143
Appendix C：Accessories List...................................................................................................................................................... 155
Appendix D：Maintenance and Cleaning ................................................................................................................................... 156

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Chapter 1 Safety Information
1.1 Terms and symbols
Terms in the manual
The following terms may used in the manual
WARNING: Warning statement, identifing conditions and and procedures that are dangerous to the user.
CAUTION: Cautionary statement, identifing conditions and procedures that may cause damage to the product and
other properties.
Terms on the product
The following terms may used on the product:
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 on the product
The following symbols may used on the product
AC
Measuring ground terminal
Frame ground terminal
ON/OFF
Danger！High voltage
Caution, consult the user’s manual
Protective ground terminal
Conforms to European Union directivies
Certified by CSA Group to North American safety standards
C-tick is registered trademark of Spectrum Management Agency of Australia. It indicates conformity with
provisions of Australian EMC Framework formulated according to terms of Wireless Communication Act in 1992.
Containing at least one of six harmful substances that exceed maximum concentration value (MCV) and

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environment-friendly use period (EPUP) of 40 years.
ICES/NMB-001 This manual indicates that the product conform to standard ICES-001 of Canada.
1.2 General Safety Overview
This instrument is designed and produced in strict accordance with GB4793 Safety Requirements for Electronic
Measuring Apparatus and IEC61010-1 safety standard, up to Pollution Degree II and overvoltage standard CATⅡ
1000V.
Please read the followinh preventive safety measures:
In order to prevent electric shock or fire, please use power line and adapter dedicated to this product and
approved by the local country.
This product is grounded through protective ground lead in the power line. In order to prevent electric shock,
please inspect whether the power socket to be used for the product is grounded. Make sure that the protective
ground terminal connect to the power line is reliable before connectes any other input and output terminal.
To avoid personal injury and prevent damage to the product or any product connected to this product. In order to
avoid possible danger, the product can only be used in the specified scope. Only personnel that have received
professional training can execute maintenance procedures.
In order to prevent fire or electric shock, please pay attention to all rated values and signs of the product. Befor
using the product, please read user’s manual for further information about the rated value.
Do not use input voltage above rated value of the instrument.
Inspect the whether accessories suffer from mechanical damage before use. If so, please replace them.
Only use the accessories provided of the prouduct. Don’t use that if damaged.
Don’t insert metal objects into input and output terminal of the product.
If the instrument is suspicious of damage, let maintenance personnel to inspect it.
Don’t operate the inustrument when crate is opened.
Don’t operate in humid environment.
Please don’t operate in inflammable and explosive environment.
Keep the surface of product clean and dry
.

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Chapter 2 Qick Guide
2.1 General Inspection
Please inspect the instrument as the following steps.
2.1.1 Inspect the Damage of Transportation
If the packing boxes or foamed plastic protection pad is serious damaged, please contact with distributor or the local office.
Due to the damage of transportation, please keep the packaging and notice the relvenant transportation department and the
distributor, they will replace or maintain the product.
2.1.2 Inspect the Accessories
UTG9000T accessories: power line (apply for the local country/region), one USB, four BNC cable (1 meter)
If the accessories are lost or damaged, please contact with the distributor or the local office.
2.1.3 Inspect the Instrument
If the instrument appearance is damged.It can not operate properly or performance test fauilre. Please contact with the
distributor or the local office.
2.2 Introduction of Panels and Keys
2.2.1 Front Panel
UTG9000T series function/arbitrary waveform generator front panel is sample, visual and easy to use. See Figure 2-1

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Figure 2-1 Front Panel Structure
①. ON/OFF
Supply voltage of power source is AC 100V~240V. Frequency is 45Hz~440Hz.Connect the instrument to the power
source with power line in accessories or other lines up to standard. Toggle on the power switch on the back panel to
operate the instrument. Turn ON/OFF: backlight is on (red) when power supply in normal.Press the key, the
backlight is on (green).Aferwards, the screen enters function interdace after displaying start-up interface. In order to
prevent accidentally touching ON/OFF to turn off the instrument, this switch key needs to press about 1s to turn off
the instrument. The backlight of the key and screen are simultaneously off after turning off the instrument.
②．USB Interface
The instrument supports U disks of FAT32 with maximum capacity of 32G. USB interface can be used to save and
read the current stauts file. USB interface can also used to upgraded the system program, to ensure that the current
program of function/abitraty generator is the latest version released by the company.
③．Channel Output Terminal
Output the signal of the wave.
④．Channel Control Terminal
Channel control terminal, which is channel output switch. There are three ways to operating:
1) Quick switch the current channel (CH bar is highlight, which measns it is the current channel, parameter tab shows CH1
information for the wave parameter settings.) The CH1 can turn on/off the output function of the current channel quickly.
2) Tap UTILITY → Channel, turn on the output function.
3) Touch the channel setting on the left side of the screen.
Starting output function, the backlight of the CH1 will be light on, the channel tab displays output mode of the current
channel (shows“continue”, “modulate”words, etc.), and the channel output terminal export the signal at the same time. Turn
off the output function, the backlight of the CH1 will be also light off, the channel tab becomes grey and the channel output
terminal closed.
⑤．Numeric Key and Utility
The numeric key is used to enter numbers 0~9, decimal point “.”, symbol key “+/-” and delete key. Utility key is used to set

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multipurpose settings.
⑥．Direction Key
The direction key is used to switch number digits or move cursor position (left or right) when using multifunction knob or
direction key to set parameter.
⑦．Multifunction Knob/Key
The multifunction knob is used to change numbers (clockwise to increase number) or used as a menu key to select or confirm
the parameter settings.
⑧．Seclect Output Mode
CW ,MOD,SWEEP,BURST tab to control the output of continues, modulate, sweep, burst
⑨． Quick Select Wave Types
Quickly select the output wave types to produce the common wave that you need.
⑩．Display Screen
10.1 inch TFT. Different colors to distinguish the stauts of output, select menu and other important information of CH1, CH2,
CH3 and CH4. A friendly-use system is helpful to promote work efficiency.
⑪. Over-voltage Protection
Caution The output terminal has over-voltage protection function, the following situation will activate the function,
amplitude > 4Vpp, input voltage > ±12.5V, frequency < 10kHz
amplitude < 4Vpp, input voltage > ±5.0V, frequency < 10kHz
Display screen will pop-out”Over-voltage protection, the output is closed.”
2.2.2 Back Panel
Figure 2-2 Back Front Structure
①．Heat Emission Hole
To make sure that the instrument in good heat emission status, don’t block off these holes.

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②．External 10MHz intput terminal
Establish synchronization of multiple function/arbitrary waveform generators or synchronization with external 10 MHz clock
signal. When clock source of the instrument is external, external 10MHz input terminal receives an external 10MHz clock
signal.
③．Internal 10MHz output terminal
Establish synchronous or external clock signal with reference frequency of 10 MHz for multiple function/arbitrary waveform
generators. When clock source of the instrument is internal, internal 10MHz output terminal outputs an internal 10MHz clock
signal.
④. Frequency Counter Interface
Input signal throught the interdace when using frequency counter.
⑤．External Digital Moudlation Interface
In case of modulation of ASK, FSK, PSK or OSK signal, if modulation source is external, input modulation signal through
external digital modulation interface (TTL level). The corresponding output amplitude, frequency and phase are determined
by signal level of external digital modulation interface. If trigger source of frequency sweep is external, receive a TTL pulse
with designated polarity through external digital modulation interface. This pulse can start scanning. If burst mode is gated.
Trigger source of N period and wireless trigger source are external, input gated signal through the external modulation
interface. This pulse string can output a designated cycle number of pulse string.
⑥．External Analog Modulation Output Terminal
In case of AM, FM, PM, DSB-AM, SUM or PWM signal, if modulation is external, input signal through through external analog
modulation. The corresponding modulation of depth, frequency deviation, phase deviation or duty ratio deviation is
controlled by ±5V signal level of the external analog modulation input terminal.
⑦．USB Interface
Connect with the upper computer software through USB interface to achieve the contr of the instrument by computer.
⑧．LAN Port
The instrument can connect with LAN by LAN port, to achieve remote control.
⑨．AC Power Input Terminal ：AC power :100~240V，45~440Hz, power fuse: 250V，T2A.
⑩．Main Power Switch：Power on in “I”position; Power off in “O”position ( The front panel ON/OFF button is unable to use.)
⑪．Case Locker
Open the case locker to activate the function of anti-theft.

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2.2.3 Touch Screen Display Interface
Figure 2-3 Touch Screen Display Interface
UTG9000T is designed with capacitive touch screen, display window multi-panel layout. Menu category position is
fixed, reduce the level of interface jumps.
Description:
①. Home key，Help key, Frequenct counter: this area does not change with other interface jumps.
1) ：Home symbol，tap this symbol to return to the home page in any other interface.
2) ：Help symbol，tap this symbol to open the help menu.
3) ：Frequency symbol，tap this symbol to open frequency counter, it presents the test result .
②．Menu tab: tap CH1、CH2、CH3、CH4 and Utility to make parameter and secondary function settings.
Highlight display: Select tab will be highlight with CH color or cyan of the secondary function, words with white
color.
③.Output Mode: continue, modulate, sweep, burst
④.Carrier wave Settings：Nine carrier wave - sine wave, square wave, ramp wave, pulse wave, harmonic wave,
noise, PRBS (pseudo random binary sequence), DC, arbitrary wave.
⑤.Parameter List: Display the parameter of the current wave in list format, tap parameter list area to enable editing,

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virtual numeric keyboard pop-out ,see Figure 2-4
Figure 2-4 Parameter Editing
⑥.CH tab: the current channel which choosed will be highlight.
1) “HighZ”presents load with high resistance,it can set to be 50Ω.
2) pesents the output wave is sine wave.
3)“Continue”presents the output wave is continue wave, which is output carrier wave only.( Other different mode
may presents “carrier wave”,“AM”,“linear”or “N period”)
⑦.Wave Display Area: display the current waveform (it can distinguish by color or highlight of the CH tab, parameter
list display the current waveform parameters on the left side.)
Note: There is no waveform display area in Utility page.
⑧.CH Status Settings: quick switch the general settings of the current channel. Tap channel tab to switch output
on/off to enable the channel output;inverse on/off to enable output the inverse waveform;load on/off to enable
HighZ or 50Ω to match the resistance of the output terminal; can copy the CH2 settings to CH1
⑨.System Settings: display USB connecting status, LAN symbol, external clock, etc.
2.3 Output the Carrier wave
UTG9000T series function/arbitrary waveform generator can output the carrier wave by single channel or four
channel, including sine wave, square wave, ramp wave, pulse wave, harmonic wave, noise, PRBS (pseudo random
binary sequence), DC, arbitrary wave. The instrument output a sine wave frequency 1 kHz, amplitude 100mVpp
(default setting) when activating.
This section is to introduce how to set the output of the carrier wave, the contents as following:
Frequency output settings

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Amplitude output settings
DC offset voltage settings
Square wave settings
Pulse wave settings
DC voltage settings
Ramp wave settings
Noise wave settings
Harmonic wave settings
PRBS settings
Noise superposition settings
2.3.1 Frequency Output Settings
The instrument output of a sine wave is frequency 1kHz, amplitude 100mVpp (default setting) when activating the
instrument.
The step to set the frequency to 2.5MHz:
1) Tap the parameter lisrt area of Frequency tab, pop-out the virtual numeric keyboard to enter 2.5MHz (or rotate
the knob and direction key to make the settings.)
2) Tap word Frequency to step through Frequency/Period
Note: multifunction knob/direction key is also can used to make parameter settings.
Figure 2-4 Frequency Settings
2.3.2 Output Amplitude Settings
The instrument output of a sine wave amplitude is 100mV peak value (default setting) when activating the instrument.
The step to set the amplitude to 300mVpp:
1）Tap Amplitude tab,pop-out the virtual numeric keyboard to enter 300mVpp
2）Tap word Amplitude to step through unit of Vpp、Vrms、dBm
Note: dBm setting only enable when Load is no HighZ mode

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Figure 2-5 Amplitude Settings
2.3.3 DC Offset Voltage Settings
The instrument output DC offset voltage of a sine wave amplitude is 0V (default setting) when activating the instrument.
The step to set the DC offset voltage to-150mV:
1）Tap Continue tab to select Sine
2）Tap Offset tab, pop-out the virtual numeric keyboard to enter -150mV
3）Tap word Offset, Amplitude and Offset tab becomes High (maximum)/Low (minimum) leve. This method is convenient to
set the signal limits of digital applications
Figure 2-6 DC Offset Voltage Settings
2.3.4 Squre Wave Settings
The duty ratio of square wave presents the time quantum of the square wave at a high leve of each cycling
(assuming that the waveform is not inverse.) The duty ratio default value is 50% of the square wave.
The step to set frequency to 1kHz, amplitude 1.5Vpp, DC offset voltage 0V, duty ratio 70%:
1) Tap Continue tab to select Square wave mode, tap Amplitude tab to pop-out virtual numeric keyboard to enter
1.5Vpp.

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2) Tap Duty tab, pop-out virtual numeric keyboard to enter 70%.
3) Tap word Duty again to step through Duty/PWidth.
Figure 2-7 Square Settings
2.3.5 Pulse Wave Settings
The duty ratio of pulse wave presents the time quantum between with threshold value of rising edge 50% decrease to the
next falling edge 50% (assuming that the waveform is not inverse.)
Users can make parameter settings to this instrument, then it can output the adjustable pulse wave with pulse width and
edge time. The duty cycle default value is 50% of the pulse wave, rising/falling edge time 1us.
The step to set period 2ms, amplitude 1.5Vpp, DC offset voltage 0V, duty ratio 25 %( limited by the lower pulse wave width
2.4ns), rising/falling edge time 200us:
1）Tap Continue tab to select Pulse wave mode, pop-out numerice keyboard to enter 1.5Vpp.
2）Tap Duty tab, pop-out the virtual numeric keyboard to enter 25%.
3）Tap REdge tab, pop-out the virtual numeric keyboard to enter 200us, the same way to set the FEdge.
Figure 2-8 Pulse Wave Settings
2.3.6 DC Voltage Settings
The default value is 0V of the DC voltage.
The step to set DC offset voltage to 3V: