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Owon PDS8102T, User Manual

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Owon PDS8102T User Manual Download Page 56

 

User Manual of 

OWON

 Color Mixed Signal Digital Storage Oscilloscope

 

   

53

How to Save and Recall a Wave Form   

Press the 

SAVE/RCL

 button, you can save and call out the waveforms in the 

instrument. The menu displayed in the screen is shown as 

Fig.5-37

.  

 

Fig.5-37

 Wave Form Save Menu   

The description of the 

Wave Form Save Menu

 is shown as the following table:   

Function Menu 

Setting 

Description   

Source 

CH1 
CH2 

MATH OFF 

Choose the wave form to be saved.   

WAVE 

A , B 
C , D 

Choose the address in or from which the 
waveform is saved or can be get access to. 

Save 

 

Save the wave form of the source in the 
selected address.   

CHA 

OFF 

ON 

Switch on or off the display of the stored 
waveform.  

Save and Recall the Wave Form   

The PDS series oscilloscope can store four waveforms, which can be displayed with 
the current waveform at the same time. The stored waveform called out can not be 
adjusted.  

In order to save the waveform of the channel CH1 into the address A, the operation 
steps should be followed:   

1.

 

Press the 

F1

 menu selection button and choose CH1 for Source.   

2.

 

Press the 

F2

 menu selection button and choose A as save address.   

3.

 

Press the 

F3

 menu selection button and save the waveform.   

Summary of Contents for PDS8102T

Page 1: ...PDS Series Portable Mixed Signal Digital Storage Oscilloscope User Manual PDS8102T PDS8202T WWW OWON COM CN ...

Page 2: ...he information in this manual was correct at the time of printing However Lilliput will continue to improve products and reserves the rights to changes specification at any time without notice OWON is the registered trademark of the Lilliput Company Xiamen Lilliput Technology Co Ltd the 5th floor B Area Chuangxin Mansion Software Park ZhenZhuWan Huandao RD Xiamen Fujian China Fujian Lilliput Optoe...

Page 3: ...product to the service center designated by Lilliput and with a copy of customer proof of purchase This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Lilliput shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Lilliput representatives to ins...

Page 4: ... 15 How to Implement Auto calibration 15 Introduction to the Vertical System 16 Introduction to the Horizontal System 17 Introduction to the Trigger System 18 5 Advanced User Guidebook 19 How to Set the Vertical System 20 Implementation of Mathematical Manipulation Function 25 Using FFT function 26 Application of VERTICAL POSITION and VOLTS DIV Knobs 31 How to Set the Horizontal system 32 How to s...

Page 5: ...tering Circuit 69 Example 3 Capture the Single Signal 70 Example 4 Analyze the Details of a Signal 72 Example 5 Application of X Y Function 73 Example 6 Video Signal Trigger 74 7 F A Q 76 8 Technical Specifications 77 General Technical Specifications 81 9 Appendix 82 Appendix A Enclosure 82 Appendix B Maintenance Cleaning and Repairing 82 Appendix C Battery Using Guide 83 ...

Page 6: ...roduct has been already grounded correctly before any connection with its input or output terminal Pay attention to the nominal values of all terminals In order to prevent any fire or electric shock risks please pay attention to all the nominal values and marks of this product Before implement any connections for this product please read the user s manual of this product to understand the informat...

Page 7: ...his product or other property Terms on the product The following terms may appear on this product Danger It indicates that there may be an immediate injury to you when you encounter this mark Warning It indicates that there may not be an immediate injury to you when you encounter this mark Note It indicates that there may be damage to this product or other property Symbols on the product The follo...

Page 8: ... to more 42V peak 30Vrms or on circuits of more than 4800VA z Only use accessory insulated voltage probes test lead z Before use inspect oscilloscope probes accessories for mechanical damage and replace when damage z Remove all probes test leads and accessories that are not in use z Remove computer data line z Do not apply input voltages above the rating of the instrument Use caution when using 1 ...

Page 9: ...ment functions z Autoscale function z Color liquid crystal display of high resolution and high contrast with adjustable back light z Storage and call out of waveforms z Automatic setting function provided capable of fast setting z Multiple waveform calculation function z Built in FFT function z Implementation of detecting the average and peak values of the waveform z Digital real time oscilloscope...

Page 10: ...l and the user s interface of the PDS series oscilloscope z How to implement the general inspection z How to implement the function inspection z How to make a probe compensation z How to set the probe attenuation coefficient z How to use the probe safely z How to implement an auto calibration z Introduction to the vertical system z Introduction to the horizontal system z Introduction to the trigge...

Page 11: ...oscilloscope offers a simple front panel with distinct functions to users for their completing some basic operations in which the knobs and function pushbuttons are included The knobs have the functions similar to other oscilloscopes The 5 buttons in the column on the right side of the display screen are menu selection buttons defined as F1 to F5 from top to bottom respectively through which you c...

Page 12: ...to different DSO function menu 4 Vertical control area It s including 3 keys and 4 knobs For DSO CH1 menu and CH2 menu correspond to setting menu in CH1 and CH2 Wave Math key refer to math menu the math menu consists of six kinds of operations including CH1 CH2 CH2 CH1 CH1 CH2 CH1 CH2 CH1 CH2 and FFT Two Vertical position knob control the vertical position of CH1 CH2 and two Volts Div knob control...

Page 13: ... pre triggered data have been captured and the oscilloscope has been already ready for accepting a trigger Scan The oscilloscope captures and displays the waveform data continuously in the scan mode Stop The oscilloscope has already stopped the waveform data acquisition 2 Waveform Viewing Area 3 The purple pointer indicates the horizontal trigger position which can be adjusted by the horizontal po...

Page 14: ...the coupling mode of the CH2 channel indicates the direct current coupling indicates the AC coupling indicates GND coupling 16 The reading shows the vertical scale factor the Voltage Division of the CH2 channel 17 The icon indicates the coupling mode of the CH1 channel The icon indicates the direct current coupling The icon indicates the AC coupling The icon indicates GND coupling 18 The reading i...

Page 15: ... whether there is any loss of accessories with reference to this description If it is found that there is any accessory lost or damaged please get in touch with the distributor of LILLIPUT responsible for this service or the LILLIPUT s local offices 3 Check the Complete Instrument If it is found that there is damage to the appearance of the instrument or the instrument can not work normally or fai...

Page 16: ...4 Auto set Check CH2 by repeating Step 2 and Step 3 How to Implement the Probe Compensation When connect the probe with any input channel for the first time make this adjustment to match the probe with the input channel The probe which is not compensated or presents a compensation deviation will result in the measuring error or mistake For adjusting the probe compensation please carry out the foll...

Page 17: ...tion coefficients which will influence the vertical scale factor of the oscilloscope If it is required to change check the set value of the probe attenuation coefficient press the function menu button of the channels used then push down the selection button corresponding to the probe till the correct set value is shown This setting will be valid all the time before it is changed again Note The att...

Page 18: ...using the probe do not touch the metal part of the probe tip when the probe is connected to the power supply Before making any measurements please connect the probe to the instrument and connect the ground terminal to the earth How to Implement Auto calibration The auto calibration application can make the oscilloscope reach the optimum condition rapidly to obtain the most accurate measurement val...

Page 19: ...orm Measuring Skill If the channel is under the DC coupling mode you can rapidly measure the DC component of the signal through the observation of the difference between the wave form and the signal ground If the channel is under the AC mode the DC component will be removed by filtration This mode helps you display the AC component of the signal with a higher sensitivity 2 Change the Vertical Sett...

Page 20: ...tate the horizontal SEC DIV knob to change the horizontal time base and it can be found that the Horizontal Time Base display in the status bar changes accordingly The horizontal scanning speed steps from 2 ns up to 100s in the sequence of 1 2 5 PDS8102T 1 ns up to 100s in the sequence of 1 2 5 PDS8202T 2 Use the HORIZONTAL POSITION knob to adjust the horizontal position of the signal in the wavef...

Page 21: ...n be changed 2 Use the LEVEL knob to change the trigger level setting With the rotation of the LEVEL knob it can found that the trigger indicator in the screen will move up and down with the rotation of the knob With the movement of the trigger indicator it can be observed that the trigger level value displayed in the screen changes 3 Press the button SET 50 to set the trigger level as the vertica...

Page 22: ...hods yet we advise you to read the section of Chapter One Junior Users Guidebook This chapter will deal with the following topics mainly z How to Set the Vertical System z How to Set the Horizontal System z How to Set the Trigger System z How to Implement the Sampling Setup z How to Set the Display System z How to Save and Recall Wave Form z How to Implement the Auxiliary System Function Setting z...

Page 23: ...MATH MENU and four knobs such as VERTICA POSITION VOLTS DIV one group for each of the two channels Setting of CH1 and CH2 Every channel has an independent vertical menu and each item is set respectively based on the channel With the CH1 MENU or CH2 MENU menu button pushed down the system shows the operation menu of the corresponding channel see Fig 5 1 Fig 5 1 Channel Setting Menu ...

Page 24: ...ke the vertical scale reading accurate Inverted OFF ON The wave form is displayed normally Initiate the wave form inverted function 1 Setting Channel Coupling Taking the Channel 1 for example the measured signal is a square wave signal containing the direct current bias The operation steps are shown as below 1 Press the CH1 MENU button and call out the CH1 SETUP menu 2 Press the F1 menu selection ...

Page 25: ...Taking the Channel 1 for example the operation steps are shown as below 1 Press the CH1 MENU button and call out the CH1 SETUP menu 2 Press the F2 menu selection button and select the Band Limit as OFF 100MHz with Channel 1 Band Limit switched off 3 Press F2 menu selection button again select the Band Limit as ON 20MHz with Channel 1 Band Limit is switched on ...

Page 26: ...on Ratio of the Probe In order to match the attenuation coefficient of the probe it is required to adjust the attenuation ration coefficient of the probe through the operating menu of the Channel accordingly If the attenuation coefficient of the probe is 1 1 that of the oscilloscope input channel should also be set to 1X to avoid any errors presented in the displayed scale factor information and t...

Page 27: ...rm Inverted Wave form inverted the displayed signal is turned 180 degrees against the phase of the earth potential Taking the Channel 1 for example the operation steps are shown as follows 1 Press the CH1 MENU button and get access to the CH1 SETUP menu 2 Press the F5 menu selection button and select ON in the Inverted The wave form inverted function is initiated 3 Press the F5 menu selection butt...

Page 28: ...t inverted Fig 5 7 Wave Form Inverted Implementation of Mathematical Manipulation Function The Mathematical Manipulation function is used to show the results of the additive multiplication division and subtraction operations between Channel 1 and Channel 2 and the FFT operation of CH1 or CH2 ...

Page 29: ...1 Press the MATH MENU button and call out the WAVE MATH menu 2 Press the F3 menu selection button and choose CH1 CH2 The green calculated wave form M is displayed in the screen press the F3 menu selection button again the wave form M is closed off see Fig 5 8 Fig 5 8 Wave Form resulted from CH1 CH2 Mathematical Manipulation Using FFT function An FFT breaks down signals into component frequencies w...

Page 30: ...the F5 selection button to turn to Page2 Press F3 to choose FFT 3 Press F1 to turn on off FFT after entering FFT menu and please note that FFT is prohibited in Window setting mode The green waveform F is shown in the screen after calculation 4 Press F2 selection button to switch over source channel CH1 and CH2 5 Press F3 button to select WINDOW including Rectangle Hamming Hanning and Blackman 6 Pr...

Page 31: ... broadband random noise with a relatively slow varying spectrum Hamming This is a very good window for resolving frequencies that are very close to the same value with somewhat improved amplitude accuracy over the rectangle window It has a slightly better frequency resolution than the Hanning Use Hamming for measuring sine periodic and narrow band random noise This window works on transients or bu...

Page 32: ...User Manual of OWON Color Mixed Signal Digital Storage Oscilloscope 29 1KHz Fig 5 9 Blackman window Fig 5 10 Hamming window ...

Page 33: ...e FFT waveform Use the default dBV RMS scale to see a detailed view of multiple frequencies even if they have very different amplitudes Use the linear RMS scale to see an overall view of how all frequencies compare to each other Signals that have a DC component or offset can cause incorrect FFT waveform component magnitude values To minimize the DC component choose AC Coupling ...

Page 34: ...mat in DISPLAY SET 4 SET 50 the triggering level at the vertical point of signal amplitude in Trigger setting 5 Autoscale 6 Measure 1 and Measure 2 Application of VERTICAL POSITION and VOLTS DIV Knobs 1 The VERTIVAL POSITION knob is used to adjust the vertical positions of the wave forms of all Channels including those resulted from the mathematical operation The analytic resolution of this contro...

Page 35: ...SITION and SEC DIV 1 HORIZONTAL POSITION knob this knob is used to adjust the horizontal positions of all channels include those obtained from the mathematical manipulation the analytic resolution of which changes with the time base 2 SEC DIV knob it is used to set the horizontal scale factor for setting the main time base or the window 3 HORIZONTAL MENU button with this button pushed down the scr...

Page 36: ...ime base is used to display the wave form Set Window A window area is defined by two cursors This function is forbidden at the FFT mode disable Zone Window The defined window area for display is expanded to the full screen Main Time Base Press the F1 menu selection button and choose the Main Time Base In this case the HORIZONTAL POSITION and SEC DIV knobs are used to adjust the main window The dis...

Page 37: ...tion button and choose Set Window The screen will show a window area defined by two cursors In this case the HORIZONTAL POSITION and SEC DIV knobs can be used to adjust the horizontal position and size of this window area Press F2 menu button under the FFT mode it will notice FFT mode disable see Fig 5 16 Fig 5 16 Window Setting ...

Page 38: ...scilloscope 35 Fig 5 17 Set Window isable under FFT mode Window Expansion Press the F3 menu selection button and choose Zone Window As a result the window area defined by two cursors will be expanded to the full screen size see Fig 5 18 Fig 5 18 Zone Window ...

Page 39: ...ENU Press this key and panel display menu Trigger Control The oscilloscope provides two trigger types single trigger and alternate trigger Press F1 to choose Single trigger Use a trigger level to capture stable waveforms in two channels simultaneously Alternate trigger Trigger on non synchronized signals The Single Trigger and Alternate Trigger menus are described respectively as follows Single tr...

Page 40: ...de Auto Normal Single Acquire waveform whatever detect trigger condition or not Only acquire waveform when match trigger condition Only acquire waveform for single time when detect trigger condition then stop Coupling AC DC HF LF Not allow DC portion to pass Allow all portion pass Not allow high frequency of signal pass and only low frequency portion pass Not allow low frequency of signal pass and...

Page 41: ...chronic trigger in video line Synchronic trigger in video field Synchronic trigger in video odd filed Synchronic trigger in video even field Synchronic trigger in designed video line Modulation NTSC PAL SECAM Video modulation setting Holdoff 100ns 10s Turn TRIG LEVEL knob to set time slot before another trigger event Holdoff Reset Reset hold time to 100ns Pulse Width Trigger Pulse trigger occurs a...

Page 42: ...ime setting 24ns 10s Turn TRIG LEVEL knob to set time Trigger mode Auto Normal Single Acquire waveform whatever detect trigger condition or not Only acquire waveform when match trigger condition Only acquire waveform for single time when detect trigger condition then stop Coupling AC DC HF LF Not allow DC portion to pass Allow all portion pass Not allow high frequency of signal pass and only low f...

Page 43: ... Mode Slope When Set slope condition Settings 24ns 10s Turn TRIG LEVEL knob to set slope time High level Turn TRIG LEVEL knob to set the High level Low level Turn TRIG LEVEL knob to set Low level Slew rate Slew rate High level Low level Settings Trigger mode Auto Normal Single Acquire waveform whatever detect trigger condition or not Only acquire waveform when match trigger condition Only acquire ...

Page 44: ...ger Type Edge Menu Alternate trigger Trigger Type Edge Menu list MENU SETTING INSTRUCTION Source CH1 CH2 Select CH1 as the trigger source Select CH2 as the trigger source Mode Edge Set vertical channel trigger type for edge trigger Slope Rising Falling Trigger in signal rising edge Trigger in signal falling edge Coupling AC DC HF LF Not allow DC portion to pass Allow all portion pass Not allow hig...

Page 45: ...e trigger source Select CH2 as the trigger source Ext trigger Ext trigger divide to 5 to extend trigger level range Mode Video Sync Line Field Odd Field EvenField Designed Line Synchronic trigger in video line Synchronic trigger in video field Synchronic trigger in video odd filed Synchronic trigger in video even field Synchronic trigger in designed video line Modulation NTSC PAL SECAM Video modul...

Page 46: ...Mode Pulse when pulse width less than pulse width more than Pulse width equal to Pulse width less than Pulse width more than Pulse width equal to To select pulse width condition settings 24ns 10s Turn TRIG LEVEL knob to set time Coupling AC DC HF LF Not allow DC portion to pass Allow all portion pass Not allow high frequency of signal pass and only low frequency portion pass Not allow low frequenc...

Page 47: ...g Edge and equal to Falling Edge and more than Negative pulse and less than Negative pulse and equal to settings 24ns 10s Turn TRIG LEVEL knob to set slope time High level Turn TRIG LEVEL knob to set the High level Low level Turn TRIG LEVEL knob to set Low level Slew rate Slew rate High level Low level Settings Coupling AC DC HF LF Not allow DC portion to pass Allow all portion pass Not allow high...

Page 48: ...ormal and Single z Auto This sweep mode allows the oscilloscope to acquire waveforms even when it does not detect a trigger condition If no trigger condition occurs while the oscilloscope is waiting for a specific period as determined by the time base setting it will force itself to trigger z Normal The Normal mode allows the oscilloscope to acquire a waveform only when it is triggered If no trigg...

Page 49: ... the menu is displayed in the screen shown as Fig 5 27 Fig 5 27 ACQU MODE Menu The description of the Sampling Setup Menu is shown as follows Function Menu Setting Description Sample General sampling mode Peak Detect It is used for the detection of the jamming burr and the possibility of reducing the confusion Average It is used to reduce the random and don t care noises with the optional number o...

Page 50: ... Signal Digital Storage Oscilloscope 47 Fig 5 28 Peak Detect mode under which the burrs on the falling edge of the square wave can be detected and the noise is heavy Fig 5 29 Common ACQU Mode display in which no burr can be detected ...

Page 51: ... form after the noise is removed under the Average Mode in which the average number of 16 is set How to Set the Display System Push down the DISPLAY button and the menu displayed in the screen is shown as Fig 5 31 Fig 5 31 Display Set Menu The description of the Display Set Menu is shown as follows ...

Page 52: ...ltage and the horizontal time Channel 1 is displayed on the horizontal axis and Channel 2 on the vertical axis FFT mode disable Carry Bitmap Vectors The data transmitted in communication are in the bitmap form The data transmitted in communication are in the vector form Battery On Off Battery power content symbol on Battery power content symbol off Display Type With the F1 menu selection button pu...

Page 53: ...lloscope can be simulated the reserved original data is displayed in fade color and the new data is in bright color With the F2 menu selection button different persistence time can be chosen 1sec 2sec 5sec Infinite and Closed When the Infinite option is set for Persist time the measuring points will be stored till the controlling value is changed see Fig 5 34 Fig 5 34 Infinite Persistence Display ...

Page 54: ...Vertical VOLTS DIV and the Vertical POSITION knobs of Channel 1are used to set the horizontal scale and position The Vertical VOLTS DIV and the Vertical POSITION knobs of Channel 2 are used to set the vertical scale and position continuously The following functions can not work in the XY Format Reference or digital wave form Cursor Time base control Trigger control Operation steps 1 Press the DISP...

Page 55: ...User Manual of OWON Color Mixed Signal Digital Storage Oscilloscope 52 Fig 5 36 Fig 5 36 FFT mode XY Format Disable ...

Page 56: ... from which the waveform is saved or can be get access to Save Save the wave form of the source in the selected address CHA OFF ON Switch on or off the display of the stored waveform Save and Recall the Wave Form The PDS series oscilloscope can store four waveforms which can be displayed with the current waveform at the same time The stored waveform called out can not be adjusted In order to save ...

Page 57: ...e F4 menu selection button and choose ON for CH A The stored wave form A will be displayed in the screen The voltage level and time base level will also be shown at the upper left corner of the display area at the same time see Fig 5 38 Fig 5 38 Wave Saving Fig 5 39 FFT wave Saving ...

Page 58: ...perating system Do Self Cal Self Calibration The self calibration procedure can improve the accuracy of the oscilloscope under the ambient temperature to the greatest extent If the change of the ambient temperature is up to or exceeds 5 the self calibration procedure should be executed to obtain the highest level of accuracy Before executing the self calibration procedure disconnect the probe or w...

Page 59: ...l parameter of the channel Trigger Show the parameters of the trigger system Misc Show the serial number and edition number After entering into the SYS STAT menu choose the corresponding function with the corresponding parameters shown in the screen If press the F1 menu selection button and choose the function item Horizontal the Horizontal System State will be displayed in the screen Press any ot...

Page 60: ... pulse waveforms Vbase Voltage of the waveform s flat base useful for square pulse waveforms Overshoot Defined as Vmax Vtop Vamp useful for square and pulse waveforms Preshoot Defined as Vmin Vbase Vamp useful for square and pulse waveforms Average The arithmetic mean over the entire waveform Vrms The true Root Mean Square voltage over the entire waveform Rise Time Time that the leading edge of th...

Page 61: ...n the measurement be carried out No automatic measurement can be made in the following situation 1 on the saved waveform 2 on the mathematical waveform 3 on the XY format 4 on the Scan format Measure the frequency the peak to peak value of the Channel CH1 and the mean the RMS of the Channel CH2 following below steps 1 Press the F1 menu selection button and choose Source 2 Press the F2 menu selecti...

Page 62: ...ured value will be displayed in the reading window automatically see Fig 5 44 Fig 5 44 Automatic Measurement How to Implement the Cursor Measurement Press the CURSOR button to display the cursor measurement function menu CURS MEAS in the screen the Cursor Measurement for normal model The cursor measurement includes Voltage Measurement and Time Measurement at normal model shown as Fig 5 45 ...

Page 63: ...q is read with reference to the horizontal trigger position and the Vamp is to the ground point Cursor 2 Read the position of Cursor 2 the Freq is read with reference to the horizontal trigger position and the Vamp is to the ground point When carrying out the cursor measurement the position of Cursor 1 can be adjusted with the CURSOR1 VERTICAL POSITION knob of Channel 1 and that of Cursor 2 can be...

Page 64: ...form of Voltage Cursor Measurement Carry out the following operation steps for the time cursor measurement of the channel CH1 1 Press CURSOR and recall the CURS MEAS menu 2 Press the F1 menu selection button and choose Time for Type with two purple dotted lines displayed along the vertical direction of the screen which indicating Cursor 1 and Cursor 2 3 Press the F2 menu selection button and choos...

Page 65: ...rsor Measurement for FFT model Press the CURSOR button to display the cursor measurement function menu CURS MEAS in the screen which includes Vamp Measurement and Freq Measurement at the mode of FFT shown as Fig 5 48 Fig 5 48 CURS MEAS Menu The description of the cursor measurement menu is shown as the following table ...

Page 66: ...e cursor measurement the position of Cursor 1 can be adjusted with the CURSOR1 VERTICAL POSITION knob of Channel 1 and that of Cursor 2 can be adjusted with the CURSOR2 VERTICAL POSITION knob of Channel 2 Perform the following operation steps for the Vamp cursor measurement 1 Press CURSOR and recall the CURS MEAS menu 2 Press F1 and choose Vamp for Type with two purple dotted lines displayed along...

Page 67: ...played in the Cursor1 window and that of Cursor2 is displayed in the Cursor2 window see Fig 5 50 Fig 5 50 wave of Freq cursor measurement How to use Autoscale The function is applied to follow up signals automatically even if the signals change at any time Autoscale enables the instrument to set up trigger mode voltage division and time scale automatically according to the type amplitude and frequ...

Page 68: ...left corner flicker every 0 5 second 2 At the mode of Autoscale the oscilloscope can self estimate Trigger Type Edge Video and Alternate and mode Edge Video If now you press Trigger mode or Type the forbidden information will display on the screen 3 At the mode of XY and STOP status pressing AUTO SET to enter into Autoscale DSO switches to YT mode and AUTO status 4 At the mode of Autoscale DSO is ...

Page 69: ...matic measurement of the signal The function items of AUTOSET are shown as the following table Function Items Setting Acquisition Mode Current Vertical Coupling DC Vertical Scale Adjust to the proper division Bandwidth Full Horizontal Level Middle Horizontal Sale Adjust to the proper division Trigger Type Current Trigger Source Show the minimum number of channels Trigger Coupling Current Trigger S...

Page 70: ...e WAVE1 BIN WAVE2 BIN WAVE3 BIN or WAVE1 BMP WAVE2 BMP WAVE3 BMP Then you can open the files in computer by connecting USB disk to computer Noted During the U disk saving procedure some notes such as Waveform saving Waveform saved USB already connected USB connection interrupt etc will be prompted ...

Page 71: ...ns till the waveform meets your requirement 2 Perform Automatic Measurement The oscilloscope can measure most displayed signals automatically Complete the following operations for the measurement of frequency cycle mean and peak to peak value 1 Press the MEASURE button to show the automatic measurement function menu 2 Press the F1 menu selection button and choose Source with the Source menu displa...

Page 72: ...e AUTOSET button and the oscilloscope will automatically adjust the waveforms of the two channels into the proper display state 2 Push down the MEASURE button to show the MEASURE menu 3 Press the F1 menu selection button and choose Source 4 Press the F2 menu selection button and choose CH1 5 Press the F3 menu selection button and choose CH2 6 Press the F1 menu selection button again and choose Typ...

Page 73: ...example if the pulse is the logic signal of a TTL level the trigger level should be set to 2 volts and the trigger edge be set as the rising edge trigger If it is uncertain as to the signal you can make an observation of it in advance under the automatic or ordinary mode to determine the trigger level and the trigger edge The operation steps are as follows 1 Set the probe menu attenuation coeffici...

Page 74: ...ence of the signal in conformity with the trigger conditions If a signal reaches to the set trigger level one sampling will be made and then displayed in the screen With this function any random occurrence can be captured easily Taking the burst burr of larger amplitude for example set the trigger level to the value just greater than the normal signal level and then presses the RUN STOP button and...

Page 75: ...ained in the signal can be observed with the peak detection See Fig 6 4 Fig 6 4 Wave Form of the Signal Containing Noises Separate Noises from the Signal When analyze the wave form of a signal you should remove the noise contained in it For the reduction of the random noise in the oscilloscope display please operate the instrument according to the following step 1 Press the ACQUIRE button to show ...

Page 76: ...wing steps 1 Set the probe menu attenuation coefficient for 10X and that of the switch in the probe for 10X 2 Connect the probe of channel 1 to the input of the network and that of Channel 2 to the output of the network 3 Push down the AUTOSET button with the oscilloscope turning on the signals of the two channels and displaying them in the screen 5 Adjust the VOLTS DIV knob making the amplitudes ...

Page 77: ...and III quadrants the determined phase difference angel should be in the I and IV quadrants that is in the range of 0 π 2 or 3π 2 2π If the principal axis of the ellipse is in the II and IV quadrants the determined phase difference angle is in the II and III quadrants that is within the range of π 2 π or π 3π 2 Example 6 Video Signal Trigger Observe the video circuit of a television apply the vide...

Page 78: ...s the F2 menu selection button and choose CH1 for Source 4 Press the F3 menu selection button and choose Video for type 5 Press the F4 menu selection button and choose Field for Sync 6 Adjust the VOLTS DIV VERTICAL POSITION and SEC DIV knobs to obtain a proper wave form display see Fig 6 7 Fig 6 7 Wave Form Obtained from Video Field Trigger ...

Page 79: ...e the signal acquisition operation again 3 The measured voltage amplitude value is 10 times greater or smaller than the actual value Check whether the channel attenuation coefficient and the attenuation ration of the probe used in practical application is match 4 There is wave form displayed but it is not stable z Check whether the Source item in the TRIG MODE menu is in conformity with the signal...

Page 80: ...alibration procedure All specification standards can be fulfilled except one s marked with the word Typical Performance Characteristics Instruction Bandwidth z 100MHz PDS8102T z 200MHz PDS8202T Channel 2 1 External Mode Normal Peak detect Averaging Acquisition Sample rate real time z 1GS s half channel 500MS s each channel PDS8102T z 2GS s half channel 1GS s each channel PDS8202T Input coupling DC...

Page 81: ...m reading 0 6ns Average 16 1 interval time 100ppm reading 0 4ns A D converter 8 bits resolution 2 Channels simultaneously Sensitivity 2mV div 10V div at BNC Displacement 1V 2mV 50mV 10V 100mV 1V 100V 2V 10V Analog bandwidth z 100MHz PDS8102T z 200MHz PDS8202T Single bandwidth Full bandwidth Low Frequency 5Hz at input AC coupling 3dB Rise time z 3 5 ns at input Typical PDS8102T z 1 75 ns at input T...

Page 82: ... storage Half channel is when only one input channel is available Trigger Internal 6 div from the screen center EXT 600mV Trigger level range EXT 5 3V Internal 0 3div EXT 40mV 6 of Set Value Trigger level Accuracy typical EXT 5 200mV 6 of Set Value Trigger displacement Pre trigger 655 div Post trigger 4 div Trigger Holdoff range 100ns 10s 50 level setting typical Input signal frequency 50Hz slope ...

Page 83: ...torage Oscilloscope 80 Line number range 1 525 NTSC and 1 625 PAL SECAM Trigger condition Positive pulse negative pulse Slope Trigger Time setting 24ns 10s Trigger on CH1 Edge Pulse Video Slope Alternate Trigger Trigger on CH2 Edge Pulse Video Slope ...

Page 84: ...Peak to Peak value equal to or greater than 1MΩ of load Frequency Typical Square wave of 1KHz Power Mains Voltage 100 240 VAC RMS 50 60Hz CAT II Power Consumption 18W Fuse 1A T grade 250V Environment Temperature Working temperature 0 40 Storage temperature 20 60 Relative Humidity 90 Height Operating 3 000 m Non operating 15 000 m Cooling Method Natural convection Mechanical Specifications Dimensio...

Page 85: ... damage to it Cleaning Check the probe and instrument regularly according to their operating state Clean the external surface of the instrument following the steps shown below 1 Please wipe the dust from the instrument and probe surface with a soft cloth Do not make any scuffing on the transparent LCD protection screen when clean the LCD screen 2 Clean the instrument with a wet soft cloth not drip...

Page 86: ... have battery power indication show on the top of panel when oscilloscope power supplied by the battery and imply for different power consumption and when shows it means the power can only supply for 5 minutes maximum Note To avoid superheat of battery during charging the environment temperature is not allowed to exceed the permissible value given in technical specification Replacing the Lithium B...

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