PC BASED DIGITAL
OSCILLOSCOPE
USER’S MANUAL
DSO-1052 USB
DSO-1082 USB
Content
General Safety Summary ................................................................................. 1
Chapter 1 Getting Start .................................................................................... 3
stem Requirement ........................................................................................................... 4
1.1 Sy
1.2 Install Software ................................................................................................................... 5
1.3 Install Drive ......................................................................................................................... 8
1.4 General Check ................................................................................................................... 14
1.5 Probe Compensation ......................................................................................................... 14
1.6 Self Calibration ................................................................................................................. 15
1.7 Function Check ................................................................................................................. 16
1.8 Accessories ........................................................................................................................ 17
Chapter 2 Operating Basics ........................................................................... 18
2.1 The User
2.2 The Menu System ............................................................................................................. 21
2.3 The Horizontal System ...................................................................................................... 23
2.4 The Vertical System .......................................................................................................... 24
2.5 The Trigger System ........................................................................................................... 25
2.6 Input Connectors ............................................................................................................... 26
’s Interface .......................................................................................................... 19
Chapter 3 Functions ....................................................................................... 27
3.1
Setup the Oscilloscope ...................................................................................................... 28
3.2 Set Vertical System ........................................................................................................... 29
3.3 Set Horizontal System ....................................................................................................... 37
3.4 Set Trigger System ............................................................................................................ 39
3.5 Save/Load .......................................................................................................................... 42
3.6 Utility Function ................................................................................................................. 43
3.7 Measure Signal .................................................................................................................. 53
3.8 The Display System .......................................................................................................... 59
3.9 Zoom In/Out and Drag Waveforms .................................................................................. 64
3.11 Acquisiti on Modes ........................................................................................................... 67
3.12 Print And Print Preview .................................................................................................. 67
Chapter 4 Application Example ...................................................................... 69
4.1 Sim
4.2 Pass/Fail Test .................................................................................................................... 71
4.3 Capturing a Single-Shot Signal ......................................................................................... 73
4.4 The Application of the X-Y Operation ............................................................................. 74
ple Measurement ......................................................................................................... 70
Chapter 5 Appendix ....................................................................................... 79
Appendix
Appendix B: General Maintenance ......................................................................................... 82
A: Specifications .................................................................................................... 80
General Safety Summary
DSO-1052 USB
DSO-1082 USB
Review
personal injuries or damages to the device and any products connected to it. To avoid
potential hazards use the device as specified by this user’s guide only.
To Avoid Fire or Personal Injury
Use Proper Power Cord. Use only the power cord specified for this product and
Connect and Disconnect Properly. Do not connect or disconnect probes or test
Connect and Disconnect Properly. Connect the probe output to the measurement
Observe All Terminal Ratings. To avoid fire or shock hazard, observe all ratings
Use Proper Probe. To avoid shock hazard, use a properly rated probe for your
Avoid Circuit or Wire Exposure. Do not touch exposed connections and
Do Not Operate With Suspected Failures. If suspected damage occurs with the
Provide Proper Ventilation. Refer to the installation instructions for proper
Do not operate in Wet/Damp Conditions.
the following safety precautions carefully before operate the device to avoid any
certified for the country of use.
leads while they are connected to a voltage source.
device before connecting the probe to the circuit under test. Disconnect the probe
input and the probe reference lead from the circuit under test before disconnecting
the probe from the measurement device.
and markings on the product. Consult the product manual for further ratings
information before making connections to the product.
measurement.
components when power is on.
device, have it inspected by qualified service personnel before further operations.
ventilation of the device.
Do not operate in an Explosive Atmosphere.
Keep Product Surfaces Clean and Dry.
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ER’S MANUAL 1
Safety Information
DSO-1052 USB
DSO-1082 USB
In order to en
user’s manual.
sure the correct using and the best efficient service, please carefully read the
System Symbols
These symbols may appear in this manual or on
”
Warning: “Waring
the users.
Caution: “Caution” ide
product or other properties.
identifies conditions and actions that pose hazards to
ntifies conditions and actions that may damage the
the instrument.
DANGER： Refer
High Voltage the manual Condutor Terminal Terminal
to Protective Chassis grand Earth(grand)
System Terms
g
The followin
Danger: The term “Danger” is used in the manual to indicate that when you read this
Waning: The term “Danger” is used in the manual to indicate that when you read this
Notice: The term “Noise” is used in this manual to indicate that damages may be
terms may appear on the instrument:
mark, personal injury may be caused to immediately.
mark, personal injury may not be caused to you immediately, but you need to
be cautionary.
caused on this product or other properties.
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ER’S MANUAL 2
Chapter 1 Getting Start
DSO-1052 USB
DSO-1082 USB
The oscilloscope is small, lightweight, no exte
The oscilloscopes is ideal for production test, research and design and all of the
applications involving analog circuits test and troubleshooting, as well as education and
training.
In addition to the list of general features on the next page, this chapter describes how to
do the following tasks:
System Requirements
Install software
Install Drive
General Check
probe compensation
self calibration
Accessories
rnal power required, portable oscilloscopes!
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ER’S MANUAL 3
DSO-1052 USB
DSO-1082 USB
1.1 System Requirement
To run the oscilloscope software, the needs of computer configuration are as follows:
Minimum System Requirements
Operating Syst
Windows XP/Vista/Win7
Processor
Upwards of 1.00G processor
Memory
256M byte
Disk Space
500M disk free space
Screen resolution
800 x 600
Recommended Configuration
Operating System
Windows XP SP3 System
Processor
2.4G Processor
Memory
1G Byte Memory
em
Disk Space
80G Disk Space
Screen resolution
1024 x 768 or 1280 x 1024 resolution
DPI Setting
Normal Size (96DPI)
USE
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1.2 Install Sof
tware
DSO-1052 USB
DSO-1082 USB
Caution: You must in
1. While in Windows, insert the installation CD into the CD-ROM drive.
2. The installation should start up automatically. Otherwise in Windows Explorer, switch
to the CD-ROM drive and run Setup.exe.
3. The software Installation is started. Click 'Next' to continue.
stall the software before using the oscilloscope.
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4.
Choose a de
stination directory. Click 'Next' to continue.
DSO-1052 USB
DSO-1082 USB
5. Check the se
tup information. Click Next to start copying of files.
6. This Sta
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tus dialog is displayed during copying of files.
DSO-1052 USB
DSO-1082 USB
7. Updating Yo
ur System Configuration.
8. The installation is comple
te.
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1.3 Install Drive
Example: DSO-1052 USB
1.
Connect the A-Type Plug of USB cable to your PC’S USB port.
DSO-1052 USB
DSO-1082 USB
2. Connect the B-Type Plug of USB cable to DSO USB’S USB
3. New hardw
are is found.
port.
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ER’S MANUAL 8
4. New hardw
are search wizard starts.
DSO-1052 USB
DSO-1082 USB
5. New ha
rdware search wizard starts to search the driver.
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ER’S MANUAL 9
DSO-1052 USB
DSO-1082
USB
6.
New ha
rdware wizard installs “USB DRIVER”.
7. Finish new hardw
are search wizard.
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ER’S MANUAL 10
DSO-1052 USB
DSO-1082
USB
8.
New ha
rdware is found.
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ER’S MANUAL 11
DSO-1052 USB
DSO-1082
USB
Set the driver search location to CD-R
9.
om or the driver path.
10. New ha
rdware search wizard starts to search.
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ER’S MANUAL 12
DSO-1052 USB
DSO-1082
USB
11. New ha
rdware wizard installs software and finish new hardware search wizard.
12. The wizard has finished in
stalling for “USB DRIVER”.
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ER’S MANUAL 13
DSO-1052 USB
DSO-1082
1.4 General Check
Please check the instrument as following steps after receiving an oscilloscope:
USB
Check the s
Keep the damaged shipping container or cushioning material until the contents of the
shipment have been checked for completeness and the instrument has been checked
mechanically and electrically.
Check the accessories:
Accessories supplied with the instrument are listed in "Accessories" in this guide. If the
contents are incomplete or damaged, please notify the franchiser.
Check the instrument:
In case there is any mechanical damage or defect, or the instrument does not operate
properly or fails performance tests, please notify the franchiser.
hipping container for damage:
1.5 Probe Compensation
Perform this function to match the characteristics of the probe a
This should be performed whenever attaching a probe to any input channel at the first
time.
From the “Probe” menu, select attenuation to 1:10. Set the switch to “X10” on the
probe and connect it to CH1 of the oscilloscope. When using the probe hook-tip, insert
the tip onto the probe firmly to ensure a proper connection.
nd the channel input.
Attach the probe tip to the Probe Compensator and the reference lead to the
ground connector, select CH1, and then press the “AUTOSET“ button into the menu or
the toolbar.
Check the shape of the displayed waveform.
Correctly Compensated
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DSO-1052 USB
DSO-1082
USB
Over comp
ensated
If necessary, use a non-metallic tool to adjust the trimmer capacitor of the probe
for the fattest square wave being displayed on the oscilloscope.
Under Compensated
Repe
WARNNING: To avoid electric shock while using the probe, be sure the perfection of the
insulated cable, and do not touch the metallic portions of the probe head while it is
connected with a voltage source.
at if necessary.
1.6 Self Calibration
The self calibration routine lets you
measurement accuracy. You can run the routine at any time but you should always run
the routine if the ambient temperature changes by 5v or more. For accurate calibration,
power on the oscilloscope and wait twenty minutes to ensure it is warmed up. To
compensate the signal path, disconnect any probes or cables from the input connectors.
Then, access the “Utility -> Calibration” option and follow the directions on the screen.
The self calibration routine takes about several minutes.
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optimize the oscilloscope signal path for maximum
1.7 Function Check
DSO-1052 USB
DSO-1082
USB
Perform this functional check to
verify that your oscilloscope is operating correctly. verify that your oscilloscope is operating correctly.
Connect the oscilloscope Connect the oscilloscope
You should connect the A-Type Plug of USB cable to your PC USB port and connect
You should connect the A-Type Plug of USB cable to your PC USB port and connect
the B-Type Plug of USB cable to oscilloscope USB port.
the B-Type Plug of USB cable to oscilloscope USB port.
Input a sign
al to a channel of the o
The oscilloscope is equipped with two channels plus external trigger.
Please input signal in the following steps:
1. Set the attenuation switch on the probe as 10X and connect the probe on the
oscilloscope with CH1. Aim the slot in the probe connector at the faucet on BNC of CH1
and insert, then, turn right to lock the probe. Finally, attach the tip of probe and ground nip
to the Connector of Probe compensator.
scilloscope
2. Set the CH1 probe attenuation of the oscillosco
U
pe to X10. (The default is X1).
ER’S MANUAL 16
S
DSO-1052 USB
DSO-1082
USB
Attach the tip
3.
the
(Approximately 1 kHz, 2V, peak- to- peak).
4. Inspect CH2 with the same method. Repeat steps 2 and 3.
of probe and ground nip to the Connector of Probe compensator. Click
button. A square wave will be displayed within a several seconds.
1.8 Accessories
All the accessories listed below are standard accessories for the oscilloscope:
Probe x 2 (1.5m), 1:1, (10:1) Passive Probes
A User’s Guide
A USB Cable
A PC software of the oscilloscope
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Chapter 2 Operating Basics
The User’s Interface
The Menu System
The Horizontal System
The Vertical System
The Trigger System
Input Connectors
DSO-1052 USB
DSO-1082 USB
USER’S MANUAL 18
DSO-1052 USB
DSO-1082 USB
2.1 The User’s Interface
Click the software icon on the desk after you finished the software setting and equipment
connecting. Then a user interface will be showed as follows:
1. The Main Menu
All setting can be found in the main menu.
2. The Toolbar
3. Displays the trigger information
Displays the edge trigger slope, source and level.
4. The Horizontal Panel
The user can change Time/Div, format in the panel.
5. The vertical Panel
The user can turn on/off the CH1/CH2.Also the user can change the CH1/CH2 volt/div,
coupling and probe attenuation.
6. The Trigger Panel
In this panel, the user can change the trigger mode, sweep, source and slope.
7. Displays the system time.
8. Displays the main time base setting.
9. Marker shows Edge trigger level.
10. Displays the CH2 information
Readout show the coupling of the channels.
Readout show the vertical scale factors of the channels.
USER’S MANUAL 19
DSO-1052 USB
DSO-1082 USB
A “B” icon indicates that the channel is bandwidth.
11. Displays the CH1 information
Readout show the coupling of the channels.
Readout show the vertical scale factors of the channels.
A “B” icon indicates that the channel is bandwidth.
12. It shows the software status.
13. The marker shows the reference points of the displayed waveforms.
If there is no marker, the channel is not displayed.
14. The same as 13.
15. A window that shows the display waveform in buffer position.
16. Marker shows horizontal trigger position.
17. Trigger status indicates the following.
Auto: The oscilloscope is in auto mode and is acquiring waveform waveform in the
absence of triggers.
Trig’D: The oscilloscope has seen a trigger and is acquiring the post trigger data.
WAIT: All pretrigger data has been acquired and the oscilloscope is ready to accept a
trigger.
Stop: The oscilloscope has stopped acquiring waveform data.
Run: The oscilloscope is running.
Play: The oscilloscope is displaying the record waveform.
USER’S MANUAL 20
2.2 The Menu System
The Main Menu:
1. File: Load or save CSV, waveform and setup
DSO-1052 USB
DSO-1082 USB
2. View: Change the user interface
3. Channel: Set the vertical system
4. Trigger: Change trigger Mode, Sweep, Source, Slope and so on.
USER’S MANUAL 21
5. Horizontal: Sets time base parameters and format parameters.
6. Cursor: Set cursor measure type
7. Measure: Set measurement parameters
DSO-1052 USB
DSO-1082 USB
8. Display: Change wave display type and color.
9. Acquire: Start, Stop, Autoset and other operation setting
USER’S MANUAL 22
10. Utility: Utility setting
DSO-1052 USB
DSO-1082 USB
11. Help: Turn on help file
2.3 The Horizontal System
Click “Horizontal” in main menu.
The following figure shows the horizontal parameters setting.
1. Time/DIV: leads the setting of the time base parameters
2. Format: leads the setting of the horizontal format parameters
Users can also set the parameters in the right sidebar.
USER’S MANUAL 23
2.4 The Vertical System
Click “Channel” in main menu.
The following figure shows the vertical parameters setting.
1. CH1: Leads to the setting of the Ch1 parameters
2. CH2: Leads to the setting of the Ch2 parameters
3. Math: Leads to the setting of the Math parameters
4. Reference: Leads to the setting of the Reference parameters
DSO-1052 USB
DSO-1082 USB
You can also set parameters in the right sidebar.
1. Select channel:
2. VLTS/DIV: Set the selected channel voltage range.
3. Coupling: Set the selected channel to DC/AC.
USER’S MANUAL 24
4. BW Limit: Reject the frequency component higher than 20MHz.
2.5 The Trigger System
Click “Trigger” in main menu.
The following figure shows the trigger system control.
DSO-1052 USB
DSO-1082 USB
The user can also drag the trigger icon to adjust the trigger level and the trigger level will
be displayed on the bottom right corner.
1. Trigger Mode: Sets the trigger mode
2. Trigger Sweep: Selects the trigger sweep mode to AUTO, NORMAL or SINGLE.
3. Trigger Source: Selects the trigger source to CH1, CH2, ALT, EXT.
(Note: DSO-1082 USB: CH1, CH2, ALT, EXT., EXT./10)
USER’S MANUAL 25
4. Trigger Slope: Selects the edge trigger slope to Positive or Negative slope
2.6 Input Connectors
DSO-1052 USB
DSO-1082 USB
CH 1/CH 2: Input connectors for waveform display.
EXT.: Input connector for an external trigger source. Use the Trigger menu to select the
Ext. source.
Other Connector:
GND.: Ground terminal.
USB PORT: Connect the B-Type Plug of USB cable to this port.
CAL.: Probe compensation output.
USER’S MANUAL 26
Chapter 3 Functions
Set Oscilloscope
Set Vertical System
Set Horizontal System
Set Trigger System
Measure Signal
Utility Function
The Display System
Save/Load
Print
DSO-1052 USB
DSO-1082 USB
USER’S MANUAL 27
DSO-1052 USB
DSO-1082 USB
3.1 Setup the Oscilloscope
Use “AUOSET” to display a signal automatically.
Auto setup functions one time each time you push the “AUTOSET” button. The function
obtains a stable waveform display for you. It automatically adjusts the vertical scale,
horizontal scale and trigger settings. Auto setup also displays several automatic
measurements in the graticule area, depending on the signal type.
Connect a signal to the CH1 input:
1. Connect a signal to the oscilloscope as described above.
2. Click the “Acquire -> Autoset” button.
The oscilloscope will change the current settings to display this signal.
Save Setup
The oscilloscope software saves the current setup before you close the oscilloscope
software. The oscilloscope recalls this setup when you run the software next time. You
can use the “Save Setup” menu to permanently save setting.
Load Setup
The oscilloscope can recall the last setup before the oscilloscope software was running,
any saved setups, or the factory setup. You can use the “Load Setup” menu to
permanently recall setup.
Factory Setup
The oscilloscope software is set up for normal operation when it is shipped from the
factory. This is the factory setup. Push the “Factory Setup” menu to recall this setup.
USER’S MANUAL 28
3.2 Set Vertical System
Click “Channel” in main menu.
3.2.1 Change CH1/CH2
Click “CH1/CH2” in “Channel” menu.
The CH1 menu
DSO-1052 USB
DSO-1082 USB
The CH2 menu:
USER’S MANUAL 29
The CH1/CH2 control panel in sidebar
DSO-1052 USB
DSO-1082 USB
The Vertical function:
Turn ON/OFF: Turn on/off the channel
Volt/DIV: Select the channel voltage/div
Coupling: Select the channel coupling
Probe: Select the channel probe attenuation
Filter: Select software filter
Reset: Set the channel vertical position to zero
Invert: Turn on/off the invert function.
Bandwidth Limit: Limit the channel bandwidth to 20MHz to reduce noise.
Change Volt/DIV
You can click “Volt/Div” in “CH1/CH2”to select the voltage
You can also change “CH1/CH2” voltage in side bar.
USER’S MANUAL 30
DSO-1052 USB
DSO-1082 USB
You cam left click and drag the mouse on the green knob or the yellow knob to change the
voltage.
Set Channel Coupling
Click “Coupling” in “Channel” menu.
In the sidebar, you can change the channel coupling.
You can set the coupling to DC, AC or GND. If you set the coupling to DC, it blocks the AC
component of the input signal.
Probe Attenuation Setting
Select the attenuation factor for the probe. To check the probe attenuation setting, toggle
the probe menu to match the attenuation factor of the probe.
This setting remains in effect before you changed again.
Click “Probe” in Vertical Setup window to select the probe attenuation.
USER’S MANUAL 31
The probe setting window in the sidebar:
DSO-1052 USB
DSO-1082 USB
Caution: The attenuation factor changes the vertical scale of the oscilloscope so that the
measurement results refect the actual voltage levels at the probe tip.
Invert
The invert function turns the displayed waveform 180 degrees, with respect to the ground
level. When the oscilloscope is triggered on the inverted signal, the trigger is also inverted.
Turn on Invert:
Turn off Invert:
USER’S MANUAL 32
The following picture shows the waveform before inversion:
DSO-1052 USB
DSO-1082 USB
The following picture shows the waveform of inversion:
USER’S MANUAL 33
DSO-1052 USB
DSO-1082 USB
Set the Channel Bandwidth Limit
The oscilloscope is set to full bandwidth and will pass the high frequency component in the
signal if the “BW Limit” was turned off.
The oscilloscope will reject the frequency component higher than 20MHz if the “BW
Limit” was turned on.
When the “BW Limit” was turned on, a “B” sign will be displayed at the bottom of display
screen.
Filter definition:
None: without the Filter, read out the actual value directly.
Lower: with low limitation filter, the waveform will look more thin than in “None” mode.
Higher: with high limitation Filter, the waveform will look more thin than in “Lower” mode.
3.2.2 Set Math
Click “MATH” in Channel menu to set MATH channel.
The MATH Menu:
Turn On/Off: Turn On/Off the MATH Channel.
Source A/B: Set the sources of the math channel.
Operate: Set operates type of the math channel.
Volt/DIV: Set the resolution of the math channel.
Probe: Set the math channel probe attenuation.
Reset: Set the math channel vertical position to zero.
Invert: Turn on/off the invert function
The mathematic functions include addition, subtract, multiply and division for CH1 and
CH2.
Source A/B
Source A and Source B menu:
USER’S MANUAL 34
DSO-1052 USB
DSO-1082 USB
Operate:
Four Types:
A + B Add source A and source B
A - B Subtract source B from source A
A × B Multiply source A by source B
A / B Divided source A by source B
In this function, use the addition, subtraction, multiplication and division function to
operate and analyze the waveform.
Select the operate type in the Operate menu. Select source A and B. Then adjust the
vertical scale and offset to view the math channel clearly. The mathematic result can be
measured by the measure and the cursor.
The Math Function Display:
USER’S MANUAL 35
3.3.3 Set Reference
Click “Reference” in “Channel” menu to set REF channel.
DSO-1052 USB
DSO-1082 USB
The Reference Channel Function:
Turn On/Off: Turn on/off the reference channel.
Volt/DIV: Channel the resolution of the reference channel.
Reset: Reset the reference channel vertical position to zero.
Load Reference: Load the reference waveform from the “.ref” file from your
computer.
Save Reference: Save the current reference waveform to your computer as “.ref”
format.
You can change the vertical scale of a waveform. The waveform display will contract or
expand relative to the reference level.
Click “Save Reference” to save the waveform to *.ref file. The saved source window
appears.
The Reference Wave yform Displa Window:
USER’S MANUAL 36
DSO-1052 USB
DSO-1082 USB
Caution: If you turn on the “
3.3 Set Horizont
“Horizontal” in main menu.
Click
al System
3.3.1 Change Time/Div
The “Time/Div” menu:
Reference” channel, the load file window will appear.
Select the horizontal Time/Div (scale factor) for the main or the window time base.
The
Horizontal Panel:
Click the blue knob can change Time/Div.
USER’S MANUAL 37
DSO-1052 USB
DSO-1082 USB
3.3.2 Change Format
Click “Format” menu:
In the “Format” item, set the waveform display format (Y-T, X-Y and Roll).
Y -T: Shows the relative relation between vertical voltage and horizontal time.
oll: In Roll Mode, the waveform display updates from right to left.
R
X -Y: Show CH1 value at X axis; CH2 value at Y axis.
Roll mode, the waveform display rolls from right to left. No trigger or horizontal offset
In
ontrol of waveforms is available during Roll Mode, and it’s only available when set to
c
1s/div or slower.
Caution: If the time/div big
3.3.3 Change Horizontal Position
The “Zero” menu:
ger than 1s, the format will change to Roll mode automatically.
Click “Zero” to set the trigger point to the horizontal center of the screen.
Horizontal position changes the displayed waveform position, relative to the trigger point.
The user can drag
on screen to change the horizontal position.
USER’S MANUAL 38
3.4 Set Trigger System
DSO-1052 USB
DSO-1082 USB
3.4.1 Set Edge T
Click “Trigger” in main menu:
The trigger determines when the oscilloscope starts to acquire data and display a
w
aveform. When a trigger is set up properly, it can convert unstable displays or blank
screens into meaningful waveforms.
If the oscilloscope wants to acquire a waveform
the waveform to the left of the trigger p
while waiting for the trigger condition to occur. The oscilloscope continues to acquire
enough data so that it can draw the waveform to the right of the trigger point after it
detects a trigger.
The Edge trigger determines w
falling edge of the signal. Selec
edge.
Mode: Select the trigger mode.
rigger
, it collects enough data so that it can draw
oint. The oscilloscope continues to acquire data
hether the scope finds the trigger point on the rising or the
t Edge trigger mode to trigger on Rising edge or Falling
Sweep: Set the sweep mode to Auto, Normal or Single.
Auto: Acquire waveform even no trigger occurred
Normal: Acquire waveform when trigger occurred.
Single: Acquire waveform when trigger occurred then stop.
USER’S MANUAL 39
DSO-1052 USB
DSO-1082 USB
Source: select the signal that the oscilloscope
uses as a gnal connected to a channel BNC, or to the
EXT. BNC.
Slope: ).
You can use the trigger source options to
trigger. The source can be any si
CH1: Select CH1 as trigger signal
CH2: Select CH2 as trigger signal
ALT: Select CH1 and CH2 as trigger signal
EXT: Select EXT as trigger signal
EXT/10: Select attenuated EXT/10 as trigger signal (Only DSO-1082 USB)
Set the slope to Rising (+) or Falling (-
Rising: Trigger on rising edge
Falling: Trigger on falling edge
50%: Se
The user can also change the trigger setting on trigger pa
ts the trigger level to the center of the waveform amplitude.
nel in sidebar.
USER’S MANUAL 40
3.4.2 HF Rejection
Click “HF Rejection” in “Trigger” menu:
DSO-1052 USB
DSO-1082 USB
The user can turn on “HF Rejection” to eliminate trigger higher-frequency (20M ab-
ove).
USER’S MANUAL 41
3.5 Save/Load
lick “File” in main menu to save waveform, setups and screen. C
DSO-1052 USB
DSO-1082 USB
Save:
1. Save CSV
Save waveform data as a CSV file.
2. Save Image
Save the software display window as a .bmp or .jpg file.
3. Save Setups
Save the current oscilloscope setups to file.
4. Save Waveform
Save waveform data as a TEST, WORD or EXCEL file.
Load:
1. Load CSV
Load the waveform that had saved as a CSV file.
2. Load Setups
Load the instrument that had saved.
USER’S MANUAL 42
3.6
Utility Function
DSO-1052 USB
DSO-1082 USB
Click the “Menu ->
The “Utility” Functions:
FFT
Record
Pass/Fail
Factory Setup
Language
Utility” to get into the “Utility” menu.
USER’S MANUAL 43
3.6.1 Fast Fourier Transform Function
DSO-1052 USB
DSO-1082 USB
You can use the FFT
(spectrum). You
To use the FFT mode, you need to click “
indow.
w
he FFT setup window:
T
mode to convert a time-domain signal into its frequency components
can use the FFT mode for the following types of analysis:
Menu->Utility->FFT” to open the FFT setup
You can select the Source channel, Wi
fa
ctor. It displays only one
Source
Selects the channel used as the FFT source
Window:
:
FFT spectrum at a time.
ndow algorithm, FFT number, and FFT Zoom
Selects the FFT window type
USER’S MANUAL 44
DSO-1052 USB
DSO-1082 USB
The windows reduce spectral ectrum.
No. of Freq Bins:
leakage in the FFT sp
Selects the FFT number
Scale:
Selects the vertical scale units
Vertical:
Selects the vertical scale
Horizontal:
Selects the FFT zoom factor
Sets horizontal scale, If the information is more than the quantity displayed to the display
window, more information is displayed by using scroll bar.
You can click the “Start” button to start FFT math, also you can click this button to stop
FFT math.
lick “Save” button if you want to save FFT math result. You can save the data into Word
C
file, Excel file or Text file.
Harmonic information window shows the information of Harmonics.
USER’S MANUAL 45
DSO-1052 USB
DSO-1082 USB
Measurement information window shows the information about measurement of FFT.
The FFT Display Windows:
USER’S MANUAL 46
DSO-1052 USB
DSO-1082 USB
3.6.2 Record and Play Back
Click “Record” in “Utility” menu.
The Record window will display. The following picture shows the Record Interface.
This function can record input waveform form CH1 or CH2. The maximum record length is
1000 frames.
Record Setup window:
USER’S MANUAL 47
Source:
Select record source channel. (CH1 or CH2)
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DSO-1082 USB
End Frame:
Set the number of record times. The max frames are 1000.
Time Interval:
Set the time interval of record waveform.
Record:
Record counter, it shows the record frames.
Start” button: “
Start to record frames. After you start to record waveforms, this button changes to
“Stop” button. It stops recording waveforms.
“Save” button:
Save the record setup to file.
Play back setup window:
Time Interval:
Set the time interval of play back.
Start Frame:
Set the start frame of play back.
End Frame:
Set the end frame of play back.
Current Frame:
USER’S MANUAL 48
DSO-1052 USB
DSO-1082 USB
Displays the current frame of play back. You can also change this number to watch
the waveform one by one.
Repeat:
If it was checked, the waveform
“Play” button:
Click this button to start playing back waveform. It can stop playing back if you
started playing back.
“Load” button:
Click this button to load a record setup.
Note: When it plays back waveform, the other channel will be turned off.
will be played back repeatedly.
3.6.3 Pass/Fail
Click “Pass/Fail” in “Utility” menu.
The Pass/Fail window appears:
USER’S MANUAL 49
DSO-1052 USB
DSO-1082 USB
The Pass/Fail function monitors changes of signals and outputs pass or fail signals by
comparing the input signal with the pre-created mask.
Control Setting:
:
Source
Select the Pass/Fail channel
Output:
Select the Pass/Fail output condition
Stop When Output:
If it was checked, the Pass/Fail will stop when output.
USER’S MANUAL 50
Mask Setting:
Set the vertical limit range
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DSO-1082 USB
Vertical:
Horizontal:
Set the horizontal limit range
“Create” button:
Click this button to create Pass/Fail area according to the mask
Save” button:
Click this button to save the setups to file.
Click this button to load the saved setups fil
“
“Load” button:
e.
Information Display:
Fail: Displays the fail waveform number.
Pass: Displa
ota l waveform number.
T l: Displays the l total Pass/Fai
Operation
ys the pass waveform number.
C Start” button to start the Pass/Fail test. lick “
n to stop Pass/Fail test. Click “Stop” butto the
USER’S MANUAL 51
The Pass/Fail function display:
DSO-1052 USB
DSO-1082 USB
NOTE：Pass/Fall function is unavailable in X-
Y mode and Roll mode.
3.6.4 Factory Setup
Click “Factory Setup” in “Utility” menu to load default setups.
When you click the Factory Setup in Utility menu, the oscilloscope displays the CH1 and
CH2 waveforms and removes all other waveforms.
The oscilloscope set up for normal operation when it is shipped from the factory and can
be recalled at anytime by user.
The Factory Setup function does not reset the following settings:
Language option
Date and time
USER’S MANUAL 52
3.7 Measure Signal
3.7.1 Cursor
Click “Cursor” in main menu.
This method allows you to take measurements by moving the cursors.
1. Source
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DSO-1082 USB
The user can set the source to CH1, CH2, FFT and MATH. But the FFT source can only
use Trace type.
When you use cursors, be sure to set the Source to the waveform on the display that you
want to measure.
2. Type
There are four types of cursors: Cross, Trace, Vertical and Horizontal.
1) Cross
The Cross cursors appear as cross lines on the display and measure the vertical and
horizontal parameters.
The Cross cursor display window:
USER’S MANUAL 53
DSO-1052 USB
DSO-1082 USB
The Cross measure result displays on status bar:
2) Trace
The Trace cursors appear as vertical lines on the display and measure the waveform
amplitude at the point the waveform crosses the cursor.
The Trace cursor display window:
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DSO-1052 USB
DSO-1082 USB
The Trace cursor measure result display on status bar:
3) Vertical
The Vertical cursors appear as vertical lines on the display and measure the vertical
parameters.
The Vertical cursor display window:
The Vertical cursor measure result display on status bar
4) Horizontal
The Horizontal cursors appear as horizontal lines on the display and measure the
horizontal parameters.
The Horizontal cursor display window:
USER’S MANUAL 55
DSO-1052 USB
DSO-1082 USB
The Horizontal cursor measure result display on status bar:
3.7.2 Measure Menu
Click “Measure” in mai
The oscilloscope provides 20 parametric
easurements).
m
n menu.
auto measurements (12 voltage and 8 time
1. Source
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The user can use the “Source” menu to select a measure sourc
ertical
2. V
e.
aximum: Voltage of the absolute maximum level, measured over the entire waveform
M
Minimum: Voltage of the absolute minimum level, measured
Peak to Peak: Peak- to-peak=Max-Mi , measured over the entire waveform
Top: Voltage of the statistical maximum level, Measured over the entire waveform
ase: Voltage of the statistical maximum level, measured over the entire waveform
B
Middle: Voltage of the 50
MS:The Root Mean Square voltage over the entire waveform
R
Amplitude:
Mean: The arithmetic mean over
Cycle Mean: The arithmetic mean over the first cycle in the waveform
Preshoot: Positiv
waveform
Amp=Base-Top, measured over the entire waveform
e Overshoot =(Max-Top)/Amp*100%，measured over the entire
%level from base to top
n
the entire waveform
over the entire waveform
3. Horizontal
USER’S MANUAL 57
DSO-1052 USB
DSO-1082 USB
P
eriod: Time to take for the signal cycle to complete in the waveform
Frequency: Reciprocal of the period of the first cycle in the waveform
Rise Time:
Fall Time: Time taken from upper threshold to lower threshold
+Duty Cycle: Positive Duty Cycle = (Positive Pulse Width)/Period x 100%,Measured of
the first cycle in the waveform
-Duty Cycle: Negative Duty Cycle = (Negative Pulse Width)/Period x 100%, Measuredof
the first cycle in the waveform
+Pulse Width: Measured of the first positive pulse in the waveform. The time between
50% amplitude points
-Pulse Width: Measured of the first negative pulse in the waveform. The time between
50% amplitude points
4. clear Measure
Clear all measure items on display screen.
The Measure Display Window:
Time taken from lower threshold to upper threshold
the
the
Caution: The results of the automatic measurements will be displayed on the bottom of
the screen. Maximum 8 results could be displayed at the same time. When there is no
room, the next new measurement result will make the previous results moving left, out of
screen.
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3.8 The Display System
3.8.1 Display Type
Click “Type” in “Display” menu.
The following figure shows the parameters setting.
If the Vectors type mode is selected, the waveform will be displayed as following figure.
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If the Dots type mode is selected, the wav eform will be displayed as following figure.
3.8.2 Display Grid
Click “Display” in main menu:
USER’S MANUAL 60
The grid shows:
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DSO-1082 USB
Without the grid shows:
USER’S MANUAL 61
3.8.3 Intensity
“Display->Intensity” In main menu.
Click
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The following figure shows the intensity dialog. It
shows the display parameters setting.
You can change the grid and waveform color intensity in this dialog.
USER’S MANUAL 62
3.8.4 Waveform Color
Click “Display->Waveform Color” in main menu.
lor dialog. It shows the waveform color setting. The following figure shows the waveform co
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DSO-1082 USB
If you click the color rectangle, the color dialog will be showed.
The waveform color is changed:
USER’S MANUAL 63
DSO-1052 USB
DSO-1082 USB
3.9 Zoom In/Out and Drag
The software will stop updating wave
can change the waveform display by adjust
the scale, e or decrease in size. When you change the
position, the ve up, down, right, or left.
the waveform display will increas
waveform will mo
Waveforms
form after the user clicked “Stop” button, The user
ing the scale and position. When you change
Zoom In/Out
The user can click “Zoom In/Out” in Acquire menu, then left or right click the mouse
button on display screen to Zoom in/out the waveform. Also the user can change
Time/Div in Horizontal menu or in Horizontal panel to zoom in/out the waveform.
Drag
The user can modify the waveform position after clicked “Drag” in “Acquire” menu
following the following steps.
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3.10 Interpolation
At the time 40ns/div or faster, user can use the different interpolation mode to get
waveforms of different smoothness.
The Step Interpolation:
The Linear Interpolation:
USER’S MANUAL 65
The Sin(x)/x Interpolation:
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DSO-1082 USB
Caution: The default interpolation mode is Sin(x)/x.
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DSO-1082 USB
3.11 Acquisition Modes
Acquisition
When you acquire a signal, the oscilloscope converts it into a digital form and displays a
waveform. The acquisition mode defines how the signal is digitized and the time base
setting affects the time span and level of detail in the acquisition.
There are two acquisition modes: Normal and Average.
Normal: In this acquisition mode, the oscilloscope samples the signal in evenly spaced
intervals to construct waveform.
Average: In this acquisition mode the oscilloscope acquires several waveforms,averages
them, and display the resulting waveform. You can use this mode to reduce random noise.
3.12 Print And Print Preview
lick “Print” in “File” menu to set the printer to print the current waveform. C
1. Click “print” in “File” menu to set the current waveform.
USER’S MANUAL 67
The Print Report:
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DSO-1082 USB
2. Click the “Print Preview” in “File” menu to get into the Preview windows.
Click the “Print Preview” in “File” menu to get into the Preview window.
In “Print Preview” window, use the “Zoom In” button and the “Zoom Out” button to
change the size of the waveform graph. Click the “Close” button to turn this window off
and click the “Print” button to print the report.
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Chapter 4 Application Example
Sample Measurement
Pass/Fail Test
Capturing a Single-Shot Signal
The Application of the X-Y
Taking Cursor Measurement
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USER’S MANUAL 69
4.1 Simple Measurement
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To acquire a
1.
Connect signal to CH1 by using probe
2. Click the button on toolba
To measure the frequ
1. Click the “Measure”-> “Horizontal”
display on the bottom of the waveform
2. Click the “Measure”-> “Vertica
also display on the bottom of the waveform interface.
3. To clear the measurement on the waveform interface, click the “Measure”-> “Clear
M
easure” button
nd display a signal, please do the steps as follows:
r or “Acquire” -> “Auto Setup” on menu.
ency and “Vpp”, you can do these steps as follows:
-> “Frequency” button, the frequency of the signal
interface.
l”-> “Peak-to-Peak” button, the “Vpp” of the signal will
.
USER’S MANUAL 70
DSO-1052 USB
DSO-1082 USB
4.2 Pass/Fail Test
The Pass/Fail function monitors changes of signals and outputs pass or fail signals by
comparing the input signal with the pre-crea
Control Setting
ted mask.
Source:
Select the Pass/Fail channel.
Output:
top When Output:
Mask Setting
Select the Pass/Fail output condition.
S
USER’S MANUAL 71
Vertical:
Set the vertical limit range
Horizontal:
Set the horizontal limit range
“Create” button:
Click this button to create Pass/Fail area according to the mask
DSO-1052 USB
DSO-1082 USB
“Save” button:
Click this button to save the setups to file
“Load” button:
Click this button to load the saved setups file.
Information Display
Fail: It shows the fail waveform number
Pass: It shows the pass waveform number
Total: It shows the total Pass/Fail waveform number
Operation
:
Click “Sta s/Frt” button to start the Pas ail test.
“Stop” button to start the Pass/Fail tes
Click t.
USER’S MANUAL 72
The Pass/Fail function display:
DSO-1052 USB
DSO-1082 USB
Caution: Pass/Fail function unavailable in X-Y mode and Roll mode.
4.3 Capturing a Single-Shot Signal
To capture a single event, it needs to ga
order to set up the trigger level and slope cor
from 3.3V COMS logic, a trigger level of 1.2 or higher Volts
Do these ste
1. Set the probe and the channel attenuations to X 10.
2. Set up the trigger in the Trigger Menu, or in the Trigger Setting window.
(1)Adjust the Trigger Mode to Edge.
(2)Set the Trigger Sweep to Single.
)Set the Trigger Source to CH1.
(3
ps as follows:
ther some pre-test knowledge of the signal in
rectly. For example, if the event is derived
should work on a rising edge.
)Set the Trigger Slope to “+” which means you select the rising edge.
(4
)Adjust the Volts/Div and the time base in a proper range for the signal.
(5
)Drag the trigger level sign on the waveform display screen to proper position. It ally
(6
igher a little above the normal level.
h
)Click START button to start capturing. When the trigger conditions are met, data
(7
USER’S MANUAL 73
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DSO-1082 USB
appears on the display representing the data points that the oscilloscope obtained with
one acquisition.
This function helps to capture the signal occurrence easily, such as the noise with large
amplitude; set the trigger level higher a little above the normal level and press and wait.
When noise occurs, the instrument will record the waveform before and after the trigger.
4.4 The Application of the X-Y Operation
X-Y Plot acts to analyze correlation of data of two channels. Lissajous diagram is
displayed in the screen when you use X-Y Plot, which enables to compare frequencies,
amplitudes and phases of counterpart waveform against the reference waveform. This
makes it possible to compare and analyze frequency, amplitude and phase between input
and output.
Do these steps as follows:
1. Set the probe attenuation to “x10”. Set the switch to “x10” on the probes.
2. Connect the CH1 probe to the input of the circuit, and connect the CH2 probe to the
output of the circuit.
button. 3. Click
4. Adjust the vertical scale and offset to display approximately the same amplitude
signals on each channel.
5. Select X-Y format at Horizontal window. The oscillo
pattern representing the input and the output charac
6. Adjust the scale and offset of the horizontal and vertical to a desirable waveform
display. The following picture shows a typical example.
7. Apply the Ellipse Method to observe the phase difference between the two channel
scope will displays a Lissajous
teristics of the circuit.
s.
Signal in X-Y Format:
USER’S MANUAL 74
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DSO-1082 USB
ction of the Ellipse MeInstru thod
Sinθ = A/B or C/D, where θ = phase shift (in degrees) between the two signals.
From the formula above:
θ = ±arcsine (A/B) or ±arcsine (C/D)
θ must be in the range of (0~π/2) or (3π/2~2π) if the main axis of the ellipse is between I
and III quadrant .If the main axis is at II and IV quadrant, θ must be in the range of (π/2~π)
or (π~3π/2).
USER’S MANUAL 75
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4.5 Taking Cursor Measurements
Use cursors to make time and amplitude measurements on a waveform quickly.
Measure the Frequency or Time of the Sine Waveform
Do these steps:
1. Click “Cursor”-> “Source”, select CH1 (select CH2 if you want measure CH2).
2. Click “Cursor”-> “Type”, select Vertical.
3. Push left mouse button, and the vertical lines appear.
4. Drag the mouse button to the point you want to measure.
5. Release the left mouse button, the frequency difference and time difference will be
shown at the status bar.
Measure the Frequency and Time:
Read the details showing in the status bar.
Measure the Amplitude of the First Waveform Peak of the Waveform
Do these steps:
1. Click “Curs select CH1 (select CH2 if you want measure CH2).
. Click “Cursor”-> “Type”, select Horizontal.
2
USER’S MANUAL 76
or”-> “Source”,
3. Push left mouse button, and the Horizontal lines appear.
4. Drag the mouse button to the point you want to measure.
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DSO-1082 USB
5. Release the left mouse button, the voltage difference will be shown at the status
Measure the Amp
litude:
bar.
Read the details showing in the status bar.
Trace the Amplitude of a fixed position on X-axis in a Waveform
Do these steps:
1. Click “Cursor->Source”, select CH1 (select CH2 if you want trace CH2).
2. Click “Cursor->Type”, select Trace.
3. Click the cursor at the position that you wan
t traced of the wave in the waveform
window.
USER’S MANUAL 77
Trace the Amplitude:
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DSO-1082 USB
Read the details showing in the status bar.
Caution: Click “Cursor->Type” to select “Cross”, you can measure time and amplitude
at one time.
USER’S MANUAL 78
Chapter 5 Appendix
Appendix A: Specifications
Appendix B: General Maintenance
DSO-1052 USB
DSO-1082 USB
USER’S MANUAL 79
Appendix A: Specifications
Specifications Table:
Input
Real-time sampling:
Max. sample rate 150MS/s using one
250MS/s using one channel(DSO-1082 USB)
Channels
Bandwidth
Vertical resolution 8 bits/chann
Gain range
2
50 MHz analog bandwidt
80 MHz analog bandwidth(DSO-1082 USB)
el
10mV ~5V/div @ x1 probe(10mV, 20mV, 50mV, 100mV, 200mV,
500mV, 1V, 2V, 5V/div, 1,2,5 sequence)
100mV ~ 50V/div @ x10 probe
1V ~ 500V/div @ x100 probe
10V ~ 5KV/div @ x1000 probe
channel(DSO
-1052 USB)
h(DSO-1052 USB)
DSO-1052 USB
DSO-1082
USB
e 8
Rang
Offset level
Couplin
g AC,
Offset increments
Impedance
accuracy +/-3%
DC
Input protection
Display Mode
Y-T, X-Y and Roll
divisions
+/-4 divisions
DC,GND
0.02 div
1M
ohm
35Vpk (DC + peak AC < 10 kHz, without external attenuation)
Timebase
4ns/div ~ 1h/div(4ns, 10ns, 20ns, 40ns, 100ns, 200ns, 400ns,
1us, 2us, 4us, 10us, 20us, 40us, 100us, 200us, 400us, 1ms, 2ms,
Timebase range
4ms, 10ms, 20ms, 40ms, 100ms, 200ms, 400ms, 1s,2s, 4s,
10s,20s,40s,10m,20m,40m,1h /div 1-2-4 sequence)
Acquisition mode
Range 10
Buffer Size
10K ~ 32K /CH (DSO-1052 USB, DSO-1082 USB)
Real-time sampling: 4ns/div ~ 400ms/div.
Roll mode: 1s/div ~ 1h/div
divisions
Trigger
Type Edge trigger
Mode Auto, Normal and Single
Autoset Yes
Range 10
Trigger level
US
ER’S MANUAL 80
+/-4 divisions
divisions
DSO-1052 USB
DSO-1082
USB
Settabillity 0.02 div increments
Math
Measurements
Vp-p, Vmax, Vmin, Vrms,
Vamp, Vtop, Vbase,
negative overshoot, average,RMS, cycle RMS, period, frequency,
positive pulse width, negative pulse width, rise time, fall time,
positive overshoot,
positive duty cycle, negative duty cycle
Math Addition, Subtraction, Multiplication, Division
FFT Rectangular, Hanning, Hamming, Blackman Window
Physical
Interface USB2.0
Power
No external power
Dimensions 190 x1
00 x 3
source requir
m USB Bus-powered fro
5(mm)
ed.
U
ER’S MANUAL 81
S
Appendix B: General Maintenance
DSO-1052 USB
DSO-1082
USB
General Care
D ve th
o not store or lea e oscilloscope where the device will be exposed to direct sunlight
for long periods of time.
Caution
To avoid damages to th s or
s
olvents.
C
leaning
In order to keep the inst check often whether the channels are
d ase cle face and the channel connecting point as
usty or not .Ple an the instrument sur
er the following cautions(Make sure the device disconnect form all power sources):
p
. Remove loose dust on the outside of the oscilloscope and probes with a lint-free cloth.
1
2. Use a soft cloth dampened with
arning
W
o avoid damages to the surface of the device or probes not use any abrasive or chemical
T
e device or probes, do not expose them to sprays, liquid
rument clean ,you need to
water to clean the device.
leaning agents.
c
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ER’S MANUAL 82
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