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User`s and Service Guide to 3000 Series Oscilloscopes

1. 2 6 Figure 2 3 DC Coupling Status DC Coupling Control Vertical Controls Channel Coupling Control DC Coupling 2 7 Vertical Controls Channel Coupling Control When GND coupling is selected the waveform is disconnected from the oscilloscope input See Figure 2 4 Figure 2 4 Ground Coupling Ground Coupling Status GND Coupling Control 2 8 Figure 2 5 Vertical Controls Bandwidth Limit Control Bandwidth Limit Control The bandwidth limit control can be used to remove high frequency components on a waveform that are not important to the analysis of the waveform To remove high frequency components from a waveform on channel 1 press the 1 front panel key Press the BW Limit menu key until ON appears Frequencies above 20 MHz will be rejected See Figure 2 5 20 MHz Bandwidth Bandwidth Limit ON Status BW Limit Control ON When the BW Limit control is set to OFF the oscilloscope is set to full bandwidth See Figure 2 6 2 9 Vertical Controls Bandwidth Limit Control Figure 2 6 Bandwidth limit OFF BW Limit Control OFF 2 10 Figure 2 7 Table 2 1 Vertical Controls Probe Attenuation Control Probe Attenuation Control The probe attenuation control changes the attenuation factor for the probe The attenuation factor changes the vertical scaling of the oscilloscope so that the measurement results reflect the actual voltage levels at the probe tip T
2. Auto Measure The Auto Measure cursors mode is only available when automatic measurements are on The oscilloscope displays cursors corresponding to the most recently invoked automatic measurement There will be no cursor display if no automatic measurements are selected in the Measure menu 2 67 Autoscale and Run Stop Controls The Autoscale button is used to automatically set the oscilloscope controls for the input waveform that is present at the input of the oscilloscope The Run Stop button is used to manually start or stop the oscilloscope s acquisition system 2 68 Autoscale and Run Stop Controls Autoscale Button Autoscale Button Figure 2 37 shows the location of the Autoscale button on the front panel Figure 2 37 Run Contro _ D Utility j B a Autoscale Button The Autoscale feature automatically adjusts the scope to produce a usable display of the input waveform s 2 69 Table 2 35 Autoscale and Run Stop Controls Autoscale Button After the Autoscale button is pressed the oscilloscope is configured to the following default control settings Menu Display format Sampling mode Acquire mode Vertical coupling Vertical V div Vertical Knobs Bandwidth limit Waveform invert Horizontal position Horizontal S div Trigger type Trigger source Trigger coupling Trigger voltage Trigger sweep Settings Y T Real time Normal Adjust to AC or D
3. 9 O rm Trigger Local 1 2 Level A Front Panel Controls Perform this quick functional check to verify that your oscilloscope is operating correctly See Figure 1 2 Turn on the oscilloscope Use only power cords designed for your oscilloscope Use a power source that delivers 100 to 240 VAC 47 Hz to 440 Hz Wait until the display shows that all self tests passed Push the Save Recall button select Setups in the top menu box and push the Default Setup menu box Save Recall button A V To avoid electric shock be sure the oscilloscope is properly grounded 2 Input a waveform to a channel of the oscilloscope 3 Press the Autoscale button and observe the signal on the display l 5 Getting Started Performing a Functional Check CAUTION To avoid damage to the oscilloscope make sure that the input voltage at the A BNC connector does not exceed the maximum voltage 800 Vrms maximun 1 6 Figure 1 3 Getting Started Compensating Probes Compensating Probes Perform this adjustment to match your probe to the input channel This should be done whenever you attach a probe for the first time to any input channel Low Frequency Compensation Set the Probe menu attenuation to 10X Press the appropriate channel button on the front panel 1 or 2 then select the Probe menu item until 10X appears Attach the probe tip to the probe compensation connector and the ground lea
4. User s and Service Guide Publication number D3000 97000 March 2005 Copyright Agilent Technologies 2005 All Rights Reserved 3000 Series Oscilloscopes In This Book This book gives you the information you need to begin using the 3000 Series Oscilloscopes It contains the following chapters Getting Started Chapter 1 contains inspection power requirements probe compensation instructions cleaning instructions and setup information Using the Oscilloscope Chapter 2 gives information on how to use the front panel and the graphical user interface and tells you how to perform various operations with the oscilloscope Specifications and Characteristics Chapter 3 gives specification and characteristics of the oscilloscope Service Chapter 4 gives service and performance testing information for the oscilloscope Contents Getting Started Inspecting the Package Contents 1 2 Performing a Functional Check 1 5 Compensating Probes 1 7 Front Panel and User Interface Descriptions 1 9 Automatically Displaying a Waveform 1 12 Cleaning the Oscilloscope 1 13 Using the Oscilloscope Vertical Controls 2 3 Vertical System Setup 2 4 Channel Coupling Control 2 6 Bandwidth Limit Control 2 9 Probe Attenuation Control 2 11 Invert Control 2 12 Digital Filter Controls 2 14 Math Functions Control 2 15 Reference Control 2 19 Removing Waveforms from the Display 2 21 Horizontal Controls 2 22 Horizontal System Setup 2 2
5. e Calibrating the product e Testing the product to ensure that it is performing to specification Performance Test Interval The procedures in this section may be performed for incoming inspection and should be performed periodically to verify that the oscilloscope is operating within specification The recommended test interval is once per year or after 2000 hours of operation Performance Should also be tested after repairs or major upgrades Performance Test Record A test record form is provided at the end of this section This record lists performance tests test limits and provides space to record test results Test Order The tests in this section may be performed in any order desired However it is recommended to conduct the tests in the order presented in this manual as this represents an incremental approach to performance verification This may be useful if you are attempting to troubleshoot a suspected problem Test Equipment Lists of equipment needed to conduct each test are provided for each test procedure The procedures are written to minimize the number and types of oscilloscopes and accessories required The oscilloscopes in these lists are ones that are currently available for sale by Agilent at the time of writing this document In some cases the test procedures use features specific to the oscilloscopes in the recommended equipment 4 3 Service list However with some modification to the test procedures osc
6. become acquainted with its front panel The front panel has knobs and buttons The knobs are used most often and are similar to the knobs on other oscilloscopes 1 9 Figure 1 5 Vertical controls Front Panel Measure controls Waveform controls Menu controls Vertical controls Horizontal controls Trigger controls Run controls MENU ON OFF Menu defined buttons Entry knob Getting Started Front Panel and User Interface Descriptions MENU ON OFF Measure controls Horizontal controls Waveform controls Runcontrols r Horizontal Run Controli ____ Os A Entry knob 7 O c gt Menu co trols NN ety y ma O O O 1 2 Ext Trig Trigger controls The definitions of the buttons and the knobs are as follows Meas and Cursors Acquire and Display Save Recall and Utility Vertical position knobs vertical scale knobs 1 2 Math and Ref menus Position knob Main Delayed and scale knob Trigger level knob 50 Mode Coupling and Force Run Stop Autoscale and Single Displays or hides the current menu Five gray buttons from top to bottom on the right hand side of the screen which select the adjacent menu items in the currently displayed menu Pressing any of these when no menu is displayed activates the most recently displayed menu For the adjustment defined controls Getting Started Front Panel and User Interface Descriptions Figure 1 6 Waveform window Trigger position in Trigger
7. 2 ns div to 50 s div 100 ppm over any time interval gt 1 ms Main Delayed Roll XY Channel 1 channel 2 ac line ext and ext 5 Auto and Normal 100 ns to 1 5 s Trigger on a rising or falling edge of any source Trigger when a positive going or negative going pulse is less than greater than or equal to a specified value on any of the source channels Range 20 ns to 10 s Trigger on any analog channel for NTSC PAL or SECAM broadcast standards on either positive or negative composite video signals Modes supported include Even Field Odd Field all lines or any line within a field CAT II 300 Vrms 12 divisions from center screen 2 4V 12V CH1 CH2 1 div DC to 10 MHz 1 5 div 10 MHz to full bandwidth EXT 100 mV DC to 10 MHz 200 mV 10 MHz to full bandwidth EXT 5 500 mV DC to 10 MHz 1 V 10 MHz to full bandwidth Same as DC at 50 Hz and above Same as DC limits for frequencies above 100 kHz Waveforms below 8 kHz are attenuated Same as DC limits for frequencies from DC to 10 kHz Frequencies above 150 kHz are attenuated 5 7 inch 145 mm diagonal liquid crystal display 240 vertical by 320 horizontal pixels Adjustable 3 5 Specifications and Characteristics Characteristics Measurements Automatic Measurements Voltage Time General Characteristics Physical Size Weight Calibrator Output Power Requirements Line Voltage Range Line Frequency Power Usage Environmental Characteristics A
8. Changing the horizontal scale causes the waveform to expand or contract around the screen center The horizontal position knob changes the position of the trigger point relative to the center of the screen 2 22 Horizontal Controls Horizontal System Setup Horizontal System Setup Figure 2 13 shows the front panel horizontal system controls Figure 2 13 Horizonta _ _ D sity Main Zoom Delayed J Noemie ap Position knob Scale knob Horizontal Controls The following exercise guides you through these buttons knobs and status bar 1 Turn the scale knob and notice the change it makes to the status bar The scale knob changes the sweep speed ina 1 2 5 step sequence and the value is displayed in the status bar 2 Turn the position knob to move the trigger point with respect to the center of the screen 3 Press the Main Delayed key to display the associated menu In this menu you can enter or exit the Delayed Sweep mode set the display to Y T or X Y format and alter the Trig Offset and Holdoff values Pressing the horizontal scale knob is another way to enter or exit the delayed sweep mode 2 23 Horizontal Controls Horizontal Knobs Horizontal Knobs The position knob adjusts the horizontal position of all channels and math functions The resolution of this control varies with the time base The oscilloscope digitizes waveforms by acquiring the value of an input waveform at
9. Settings Comments Source CH1 Selects channel 1 or channel 2 as the waveform to be measured CH2 Voltage Selects the voltage measurement menu Time Selects the time measurement menu Clear Clears the on screen measurement results Display All OFF Turns off all measurements ON Turns on all measurements 2 55 Table 2 25 Table 2 26 Table 2 27 Automatic Measurement Controls Voltage Measurements Voltage Measurements Pressing the Voltage menu button produces the following menus Voltage Measurement Menu 1 Menu Voltage 1 3 Vpp Vmax Vmin Vavg Comments Press to display menu 2 voltage measurements Measure peak to peak voltage of a waveform Measure maximum voltage of a waveform Measure minimum voltage of a waveform Measure average voltage of a waveform Voltage Measurement Menu 2 Menu Voltage 2 3 Vamp Vtop Vbase Vrms Comments Press to display menu 3 voltage measurements Measure voltage between Vtop and Vbase of a waveform Measure a flat top voltage of a waveform Measure a flat base voltage of a waveform Measure the root mean square voltage of a waveform Voltage Measurement Menu 3 Menu Voltage 3 3 Overshoot Preshoot Comments Press to display menu 1 voltage measurements Measure the overshoot voltage in percent Measure the preshoot voltage in percent 2 56 Table 2 28 Table 2 29 Table 2 30 Automatic Measurement Controls Time Measurements Time M
10. discrete points The time base allows you to control the sampling rate of this digitizing process The horizontal scale control changes the horizontal time div of the main time base When delayed sweep is enabled the horizontal scale control changes the width of the delayed sweep window 2 24 Horizontal Controls Horizontal Menu Horizontal Menu Pressing the Main Delayed button displays the associated menu Figure 2 14 shows the screen icon descriptions and control indicators Figure 2 14 Displayed waveform window position in memory Trigger position in memory Trigger position in waveform window Sample Rate Horizontal scale setting Status bar trigger position and horizontal scale controls indicators Delayed Sweep The Delayed Sweep is used to magnify a portion of the main waveform window You can use Delayed Sweep to locate and horizontally expand part of the main waveform window for a more detailed higher horizontal resolution analysis of the waveform The Delayed Sweep time base setting cannot be set slower than the Main time base setting 2 25 Horizontal Controls Horizontal Menu Figure 2 15 Delayed Sweep window Delayed Sweep window view Delayed Sweep Window The screen is divided into two parts The top half of the display shows the main waveform window The bottom half of the displays shows an expanded view of the main waveform window This expanded portion of the main wi
11. factory default setup any time you want to return the oscilloscope to the state it was in when you received it Load The saved waveforms or setups can be recalled by pressing the Load menu button Save Either the waveforms or the current settings of the oscilloscope are saved to nonvolatile memory by pressing the Save menu button Wait at least five seconds before turning off the oscilloscope after pressing this button 2 46 Figure 2 28 Utility Controls Figure 2 28 shows the location of the Utility button on the front panel Run Contro _ Auto scale amp O Utility Button Pressing the Utility button produces the associated menu as follows 2 47 Table 2 17 Table 2 18 Utility Controls Save Utility Menu 1 Menu Setting Comments Mask Test Setup Mask Test I O Setup Produces the I O Setup menu Language English Select language More languages may be added in German later software versions French Italian Russian Portuguese Simplified Chinese Traditional Chinese Korean Japanese Sound Fie ON Switches the beeper sound on or off fl OFF Utility Menu 2 Menu Comments System Info Displays model number serial number and software version information Self Cal Execute Self calibration Self Test Execute Self test 2 48 Table 2 19 Table 2 20 Utility Controls Mask Test Mask Test The Mask Test function monitors waveform changes by compar
12. is defined as 8 vertical divisions The major scale settings are 2 mV 5 mV 10 mV 20 mV 50 mV 100 mV 200 mV 500 mV 1V 2V and 5 V Equipment Required Description Critical Specifications Recommended Model Part Numbers Power Power Supply 0 V to 35 V OV to 35 V de 10 mV resolution 10 mV resolution Agilent E3633A or E3634A E3633A or E3634A ee Multimeter DC voltage measurement accuracy better than Ce a of a 34401A reading Cable Assembly 50Q characteristic impedance BNC m connectors Agilent 8120 1840 2 required BNC Tee m f f Agilent 1250 0781 Adapter BNC f to dual banana Agilent 1251 2277 2 required Procedure 1 Disconnect all cables from the oscilloscope channel inputs 2 Press the Save Recall front panel button 3 Select the Storage item in the Save Recall menu until Setups appears 4 7 Service DC Gain Accuracy Test Figure 4 1 4 Select the Default Setup item in the Save Recall menu 5 Press the Acquire front panel button 6 Select the mode item in the Acquire menu until Average appears 7 Select the Averages item in the Acquire menu until 256 appears 4 8 Service DC Gain Accuracy Test Figure 4 2 8 Set the channel 1 vertical sensitivity value to 2 mV div 9 Set the power supply to 6 mV 10 Connect the equipment as shown in Figure 4 3 4 9 Service DC Gain Accuracy Test Figure 4 3 Oscilloscope Power Supply Digital Multimeter NER Pa BN B
13. measurements at the same time 2 57 Automatic Measurement Controls Automatic Measurement Procedure Automatic Measurement Procedure Select either CH1 or CH2 according to the waveform you want to measure To see all time and voltage measurement values set the Display All menu to ON Select the Voltage or Time menu button to display the list of measurements Select the desired measurement menu button The measurement result is displayed at the bottom of the screen If the measurement result is displayed as then the measurement cannot be performed with the current oscilloscope settings Press the Clear menu button to remove the individual automatic measurements from the screen 2 58 Figure 2 31 Automatic Measurement Controls Measurement Concepts Measurement Concepts This section describes the way that the automatic measurements are made Voltage Measurements There are 10 automatic voltage measurements e Vpp Peak to Peak Voltage e Vmax Maximum Voltage e Vmin Minimum Voltage e Vavg Average Voltage e Vamp Amplitude Voltage Vtop Vbase e Vtop Top Voltage e Vbase Base Voltage e Vrms True Root Mean Square Voltage e Overshoot e Preshoot Figure 2 31 shows the voltage measurement points Vmax Overshoot A Z Vtop Vpp J ozs Preshoot 3000b01 cdr Vmin Voltage Measurement Points 2 59 Figure 2 32 Automatic Measurement Controls Measureme
14. pA BE oe Cable Part No 8120 1351 8120 1703 8120 1369 8120 0696 8120 1689 8120 1692 8120 2857 8120 1378 8120 1521 8120 1992 8120 2104 8120 2296 8120 2956 8120 2957 8120 4211 8120 4600 8120 4753 8120 4754 Plug Description Straight BS1363A 90 Straight NZSS198 ASC 90 Straight CEE7 Y11 90 Straight Shielded Straight NEMA5 15P 90 Straight Medical UL544 Straight SEV1011 1959 24507 Type 12 90 Straight DHCK107 90 Straight SABS164 90 Straight MITI 90 Length in cm 90 228 90 228 79 200 87 221 79 200 79 200 79 200 90 228 90 228 96 244 79 200 79 200 79 200 79 200 79 200 79 200 90 230 90 230 Color Country Gray United Kingdom Cyprus Nigeria Mint l ny giay Zimbabwe Singapore Gray Australia New Mint Gray Zealand Mint Gray East and West Europe Saudi Arabia H So Africa India Coco Brown unpolarized in many nations Jade Gray United States Canada Mexico eave Sre Philippines taiwan Black Mint Gray Switzerland Mint Gray Mint Gray Denmark Mint Gray Jade Gray Republic of South Africa India Dark Gray Japan Partnumber shown for plug is the industry identifier for the plug only Number shown for cable is the Agilent part number for the complete cable including the plug Figure 1 2 WARNING Getting Started Performing a Functional Check Performing a Functional Check Oi OO r Measure Waveform l
15. position in position in memory memory waveform window Acquisition Status Menu Waveform Channel 1 Ground Symbol Channel 1 Status Timebase Status Sample Rate User Interface 1 11 Getting Started Automatically Displaying a Waveform Automatically Displaying a Waveform The oscilloscope has an Autoscale feature that automatically sets up the oscilloscope to best display the input waveform Using Autoscale requires waveforms with a frequency greater than or equal to 50 Hz and a duty cycle greater than 1 When you press the Autoscale button the oscilloscope turns on and scales all channels that have waveforms applied and selects a time base range based on the trigger source The trigger source selected is the lowest numbered channel that has a waveform applied The 3000 Series Oscilloscopes are two channel oscilloscopes with an external trigger input CAUTION Getting Started Cleaning the Oscilloscope Cleaning the Oscilloscope e Clean the oscilloscope with a soft cloth dampened with a mild soap and water solution Do not use too much liquid in cleaning the oscilloscope Water can enter the oscilloscope s front panel damaging sensitive electronic components Using the Oscilloscope Using the Oscilloscope This chapter describes the oscilloscope s buttons knobs and menus It is recommended that you perform all of the exercises in this chapter to become familiar with the powerful measurement
16. supplied 1 2 Acquire Average 2 38 Equivalent time sampling 2 38 Peak detect 2 40 Auto measurement cursors 2 67 Automatic measurements 2 55 Auto scale 1 12 Auto Scale button 2 69 Average acquisition 2 38 B Bandwidth limit control 2 9 C cables power 1 4 Calibration Oscilloscope 2 53 cautions cleaning 1 13 Channel Digital filter control 2 14 Invert control 2 12 Probe attenuation control 2 11 Channel Controls Coupling 2 6 Channels Bandwidth limit control 2 9 checking the oscilloscope 1 2 Cleaning oscilloscope 1 13 cleaning the instrument 1 1 cleaning the oscilloscope 1 13 Compensating probes 1 7 contents of oscilloscope package 1 2 Controls Vertical 2 3 Coupling control 2 6 Cursor measurements 2 63 Manual 2 64 Track mode 2 66 Cursors Auto measure 2 67 D Digital filter controls 2 14 Display Controls 2 43 E Edge trigger 2 33 Equivalent time sampling 2 38 F Functional check 1 5 G GPIB control 2 51 H Horizontal Controls 2 22 Main Delayed control 2 25 I I O settings 2 51 inspecting the oscilloscope 1 2 Invert control 2 12 M Manual cursor measurements 2 64 manuals 1 2 Math functions 2 15 Measurement Concepts 2 59 Measurements Automatic 2 55 Cursor 2 63 Time 2 57 O options power cable 1 4 Oscilloscope Cleaning 1 13 oscilloscope cleaning 1 13 inspecting 1 2 P package contents 1 2 packing for return 4 2 Peak detect 2 40 performance characteristics 3 1 plugs power 1
17. the contents of the shipment for completeness and have checked the oscilloscope mechanically and electrically _I Verify that you received the following items in the oscilloscope packaging e Oscilloscope 2 N2862A 10 1 10 MQ passive probes 60 MHz and 100 MHz models e 2 N2863A 10 1 10 MQ passive probes 150 MHz and 200 MHz models e CD ROM containing user documentation See Figure 1 1 See table 1 1 for the power cord Ifanything is missing contact your nearest Agilent Technologies Sales Office If the shipment was damaged contact the carrier then contact the nearest Agilent Technologies Sales Office I Inspect the oscilloscope e Ifthere is mechanical damage or a defect or if the oscilloscope does not operate properly or does not pass performance tests notify your Agilent Technologies Sales Office e Ifthe shipping container is damaged or the cushioning materials show signs of stress notify the carrier and your Agilent Technologies Sales Office Keep the shipping materials for the carrier s inspection The Agilent Technologies Sales Office will arrange for repair or replacement at Agilent s option without waiting for claim settlement 1 2 Getting Started Inspecting the Package Contents Figure 1 1 CD ROM Manuals Package Contents Table 1 1 Getting Started Inspecting the Package Contents Power Cords 250V 250V 250V 125V 250V 220V 250V 100V Plug Type Jig
18. to this manual and any information contained herein including but not limited to the implied war ranties of merchantability and fitness for a particular purpose Agilent shall not be liable for errors or for inci dental or consequential damages in connection with the furnishing use or per formance of this document or of any information con tained herein Should Agi lent and the user have a separate written agreement with warranty terms cover ing the material in this docu ment that conflict with these terms the warranty terms in the separate agreement shall control Technology Licenses The hardware and or software described in this document are furnished under a license and may be used or copied only in accordance with the terms of such license Trademark Acknowledgements WARNING A WARNING notice denotes a hazard It calls attention to an operating procedure practice or the like that if not correctly performed or adhered to could result in personal injury or death Do not proceed beyond a WARNING notice until the indicated conditions are fully understood and met CAUTION A CAUTION notice denotes a hazard It calls attention to an operating procedure practice or the like that if not correctly performed or adhered to could result in damage to the product or loss of important data Do not proceed beyond a CAUTION notice until the indicated conditions are fully understood and met
19. 3 Horizontal Knobs 2 24 Horizontal Menu 2 25 Roll Mode 2 29 Trigger Controls 2 30 Trigger System Setup 2 31 Trigger Modes 2 33 Waveform Controls 2 37 Stop Acquisition 2 38 Equivalent Time Sampling 2 38 Average Acquisition 2 38 Peak Detect 2 40 Sequence Capability 2 41 Display Controls 2 43 Save and Recall Controls 2 45 Contents 1 Contents Waveforms 2 46 Setups 2 46 Default Setup 2 46 Load 2 46 Save 2 46 Utility Controls 2 47 Mask Test 2 49 I O Setup Menu 2 51 System Info 2 52 Self Calibration 2 53 Self Test 2 54 Automatic Measurement Controls 2 55 Voltage Measurements 2 56 Time Measurements 2 57 Automatic Measurement Procedure 2 58 Measurement Concepts 2 59 Cursor Measurement Controls 2 63 Manual 2 64 Track 2 66 Auto Measure 2 67 Autoscale and Run Stop Controls 2 68 Autoscale Button 2 69 Run Stop Button 2 71 Specifications and Characteristics Specifications 3 2 Characteristics 3 3 Service Returning the oscilloscope to Agilent Technologies for service 4 2 Testing Performance 4 3 Before Performing Performance Verification Testing 4 5 DC Gain Accuracy Test 4 7 Analog Bandwidth Maximum Frequency Check 4 13 Performance Test Record 4 21 Contents 2 Getting Started Getting Started Inspecting the Package Contents Inspecting the Package Contents I Inspect the shipping container for damage Keep a damaged shipping container or cushioning material until you have inspected
20. 4 power cables 1 4 Probe Attenuation control 2 11 Probes Compensating 1 7 R Recalling Factory setup 2 45 Setups 2 45 Waveforms 2 45 Ref control 2 19 returning the instrument to Agilent 4 2 Roll mode 2 29 RS 232 control 2 51 Run button 2 71 S Saving Setups 2 45 Waveforms 2 45 Self Calibration control 2 53 Self Test 2 54 Sequence capability control 2 41 standard accessories 1 2 Stop button 2 71 Stop control 2 38 T Testing oscilloscope 1 5 Time measurements 2 57 Timebase Main Delayed 2 25 Track cursors 2 66 Trigger Controls 2 30 Edge 2 33 Modes 2 33 Video 2 34 Trigger holdoff control 2 28 Index 1 Index U Utility Controls 2 47 GPIB control 2 51 I O settings 2 51 RS 232 control 2 51 Self Calibration control 2 53 Self Test 2 54 Sequence Capability control 2 41 V Vertical Bandwidth limit control 2 9 Controls 2 3 Coupling control 2 6 Digital filter control 2 14 Invert control 2 12 Math functions control 2 15 Probe attenuation control 2 11 Ref control 2 19 Video trigger 2 34 W Waveform Controls 2 37 Roll mode 2 29 Index 2 Safety Notices This apparatus has been designed and tested in accor dance with IEC Publication 1010 Safety Requirements for Mea suring Apparatus and has been supplied in a safe condition This is a Safety Class instru ment provided with terminal for protective earthing Before applying power verify that the correct safety precautions are tak
21. 4 5 5 Select the Default Setup item in the Save Recall menu 6 Press the Autoscale front panel button 7 Set the channel 1 vertical scale to 200 mV div Figure 4 6 8 Set the horizontal scale to 500 ns div 4 15 Service Analog Bandwidth Maximum Frequency Check Figure 4 7 9 Press the Acquire front panel button 10 Select the Mode menu item until Average appears 11 Select the Average menu item until 8 appears Figure 4 8 12 Press the Meas front panel button 13 Select the Voltage menu item 4 16 Service Analog Bandwidth Maximum Frequency Check 14 Select the Voltage menu item until 2 3 appears 15 Select the Vpp menu item 16 Set the signal generator to a 1 MHz sine wave with a peak to peak amplitude of about 6 divisions as it appears on the oscilloscope screen Figure 4 9 Vpp reading 17 Using the Vpp reading calculate the Vrms value using the following expression and record it in the Performance Test Record page 4 22 V Vout mg PP MHz 2 2 Example For Vpp 1 20 V 1 20 1 20 Vout 424 mV ON IMHZ Ty 2 828 4 17 Service Analog Bandwidth Maximum Frequency Check 18 Using the power meter reading convert this measurement to Volts RMS using the expression and record it in the Performance Test Record page 4 22 Vini mg JP meas X S02 Example For Pmeas 3 65 mW Vin yy V3 65 mW x 50Q 427 mV 19 Calculate the reference gain as follows Vout MHz Gain y
22. C according to the waveform Adjusted according to the waveform Coarse mode OFF OFF Center Adjusted according to the waveform Edge Lowest numbered active channel DC Midpoint 50 setting Auto 2 70 Autoscale and Run Stop Controls Run Stop Button Run Stop Button The Run Stop front panel button starts and stops the oscilloscope s acquisition system When stopped the button is red and the vertical and horizontal scales can be adjusted within a fixed range When the horizontal scale is 50 ms div or faster the stopped waveform can be expanded or contracted by 5 horizontal scale steps 2 71 2 12 Specifications and Characteristics Specifications and Characteristics Specifications Specifications All specifications are warranted Specifications are valid after a 30 minute warm up period and 5 C from last calibration temperature Bandwidth 3dB DS03062A 60 MHz DS03102A 100 MHz DS03152A 150 MHz DS 03202A 200 MHz DC Vertical Gain Accuracy 2 mV div to 5 mV d 4 0 full scale 10 mV div to 5 V div 3 0 full scale 3 2 Specifications and Characteristics Characteristics Characteristics All characteristics are the typical performance values and are not warranted Characteristics are valid after a 30 minute warm up period and 5 C from last calibration temperature 3 3 Specifications and Characteristics Characteristics Acquisition System Max Sample rate 1 GSa s Vert
23. NC tee BNC fto dual banana 3000e04 11 Press the Meas button on the front of the oscilloscope 12 Select the Voltage menu item 4 10 Vavg measurement 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Service DC Gain Accuracy Test Select the Vavg measurement as shown below Record the DMM voltage reading as Vpyyjy and the oscilloscope Vavg reading aS Vscope in the DC Gain Test section of the Performance Test Record Repeat step 14 for the remaining vertical sensitivities for channel 1 in the DC Gain Test section of the Performance Test Record Set the power supply voltage to 6 mV Move the BNC cable on channel 1 to channel 2 Press the Save Recall front panel button Select the Storage item in the Save Recall menu until Setups appears Select Default Setup in the Save Recall menu Set the channel 2 vertical sensitivity value to 2 mV div Press the Meas button on the front of the oscilloscope Select the Voltage menu item Select the Vavg measurement Record the DMM voltage reading as Vpyyjy and the oscilloscope Vavg reading aS Vscope in the DC Gain Test section of the Performance Test Record Repeat step 25 for the remaining vertical sensitivities for channel 2 in the DC Gain section of the Performance Test Record Service DC Gain Accuracy Test 27 Calculate the DC Gain using the following expression and record this value in the DC Gain Test section of the Performance Tes
24. can be moved by using the vertical and horizontal controls When the horizontal scale is set to 20 ns or faster the oscilloscope uses sine x x interpolation to expand the horizontal signal resolution Equivalent Time Sampling The equivalent time sampling mode can achieve up to 20 ps of horizontal resolution equivalent to 50 GSa s This mode is good for observing repetitive waveforms and should not be used for single shot events or pulse waveforms Average Acquisition The Average Acquisition mode should be used to remove random noise from the waveform and to improve measurement accuracy See Figure 2 23 and Figure 2 24 The averaged waveform is a running average over a specified number of acquisitions from 2 to 256 2 38 Waveform Controls Average Acquisition Figure 2 23 Figure 2 24 Noisy Waveform With Averaging 2 39 Waveform Controls Peak Detect Peak Detect Peak Detect mode captures the maximum and minimum values of a waveform over multiple acquisitions Figure 2 25 Peak Detect Waveform 2 40 Table 2 10 Waveform Controls Sequence Capability Sequence Capability The sequence capability or waveform recorder can record input waveforms from channel or channel 2 with a maximum acquisition depth of 1000 frames This recording behavior can also be activated by the Mask Test which makes this function especially useful for capturing abnormal waveforms over a long period of tim
25. capabilities of the oscilloscope 2 2 Vertical Controls Each channel has a vertical controls menu that appears after pressing either the 1 or the 2 front panel button This section of the manual describes the vertical channel controls 2 3 Figure 2 1 Vertical Controls Vertical System Setup Vertical System Setup Figure 2 1 shows the vertical system controls m Vertical O amp Scale knob Ny Meee if Position knob Vertical Controls The following exercise guides you through the vertical buttons knobs and status bar Center the waveform on the display using the position knob The position knob moves the waveform vertically Notice that as you turn the position knob a voltage value is displayed for a short time indicating how far the ground reference is from the center of the screen Also notice that the ground symbol on the left side of the display moves in conjunction with the position knob Measurement hints lf the channel is DC coupled you can quickly measure the DC component of the waveform by simply noting its distance from the ground symbol If the channel is AC coupled the DC component of the waveform Is blocked allowing you to use greater sensitivity to display the AC component of the waveform 2 4 Vertical Controls Vertical System Setup 2 Notice that changing the vertical setup also affects the status bar You can quickly determine the vertical setup f
26. d to the probe compensator ground connector If you use the probe hook tip ensure a proper connection by firmly inserting the tip onto the probe 3 Press the Autoscale front panel button Low frequency compensation adjustment Probe Compensation Correctly Compensated 4 Over Compensated SSW Under Compensated JUL 4 If the waveform does not appear like the Correctly Compensated waveform shown in Figure 1 3 then use anonmetallic tool to adjust the low frequency compensation adjustment on the probe for the flattest square wave possible High Frequency Compensation 1 Using the BNC adapter connect the probe to a square wave generator 1 7 Getting Started Compensating Probes 2 Set the square wave generator to afrequency of 1 MHz and an amplitude of 1 Vp p 3 Press the Autoscale front panel button Figure 1 4 High frequency compensation adjustments Correctly Compensated Over Compensated SWU Under Compensated 4 Ifthe waveform does not appear like the Correctly Compensated waveform shown in Figure 1 4 then use a nonmetallic tool to adjust the 2 high frequency compensation adjustments on the probe for the flattest square wave possible Probe Compensation 1 8 Getting Started Front Panel and User Interface Descriptions Front Panel and User Interface Descriptions One of the first things you will want to do with your new oscilloscope is to
27. dge mode c Press the trigger Slope menu button to notice the differences between rising edge and falling edge d Press the trigger Source menu button to select trigger source choices e Press the Sweep button to select Auto or Normal f Press the Coupling menu button and notice how AC DC LF Reject and HF Reject affect the waveform display Press the 50 key and observe that the trigger level is set to the center of the waveform Press the Force button to start an acquisition even if a valid trigger has not been found This button has no effect if the acquisition is already stopped The Force button has another function called Local when the oscilloscope is being remotely controlled When the oscilloscope is being remotely controlled the front panel keys are disabled By pressing the Force Local key the oscilloscope front panel keys will be reenabled 2 32 Table 2 6 Trigger Controls Trigger Modes Trigger Modes The oscilloscope provides three trigger modes edge pulse and video Edge trigger can be used with analog and digital circuits An edge trigger occurs when the trigger input passes through a specified voltage level with the specified Slope Pulse trigger is used to find pulses with certain pulse widths Video is used to trigger on fields or lines for standard video waveforms Edge Trigger The Slope and Level controls help to define the Edge trigger The Slope control determines whether the oscillo
28. display brightness Menu Display 1s 2s 5s 10s 20s and Infinite Sets the time before hiding menus Screen Normal Sets to normal display colors Invert Sets to inverted display colors 2 44 Figure 2 27 Table 2 16 save and Recall Controls Figure 2 27 shows the location of the Save Recall button on the front panel Run Control Auto scale Save Recall 9 Utility z Save Recall Button Location Pressing the Save Recall button produces the associated menu as follows Save Recall Menu Buttons Menu Settings Save Recall Waveforms Setups Default Setup Waveform No 1 through No 10 Setup No 1 through No 10 Load Save Comments Save or recall waveforms Save or recall an oscilloscope setup Loads the factory default setup Sets the storage location of the waveform Sets the storage location of the setup Recall waveforms or setups Save waveforms or setups 2 45 Save and Recall Controls Waveforms Waveforms You can save 10 waveforms for the two channels in the nonvolatile memory of the oscilloscope and overwrite the previously saved contents as needed Setups You can save 10 settings in the nonvolatile memory of the oscilloscope and overwrite previously saved setups By default the oscilloscope saves the current setup each time it is turned off The oscilloscope automatically recalls this setup the next time it is turned on Default Setup You can recall the
29. e Pressing the Sequence key produces the associated menu as follows Sequence Menu Menu Settings Comments Mode Capture Select capture mode Play back Select play back mode Save Recall Select storage mode Turn off all sequence functions Source CH1 Select capture source channel CH2 Interval D Settime interval between captured frames using the entry knob lt 1 00ms 1000s gt End Frame D Set number of captured frames using the entry knob lt 1 1000 gt Operate Record Press to start capturing g Stop Press to stop capturing 2 41 Table 2 11 Table 2 12 Table 2 13 Waveform Controls Sequence Capability Playback Menu 1 Menu Settings Operation gt Play my Stop Msg Display On Off Play mode c 2 i Comments Press to start playback Press to stop playback Turn on recorder information display Turn off recorder information display Set continuous play mode Set one time play mode Playback Menu 2 Menu Settings Interval A lt 1 00 ms to 20s gt Start frame R lt 1 to 1000 gt Current R frame lt 1 to 1000 gt End frame D lt 1 to 1000 gt Comments Set time interval between frames using the front panel entry knob Set start frame using the front panel entry knob Select current frame to be played using the front panel entry knob Set End frame using the front panel entry knob Save Recall Menu Menu Settings Start frame R lt 1 to 220 g
30. e Ref button Ref Menu Menu Settings Source CH1 CH2 Save Invert ON OFF Ref Menu Comments Select channel for the reference memory Save selected source waveform into nonvolatile waveform memory Inverted display of the reference waveform Non inverted display of the reference waveform 2 19 Vertical Controls Reference Control Saving a Reference Waveform 1 Push the Ref button to show the reference waveform menu 2 Set the Source to CH1 or CH2 to select the channel you want 3 Press Save to save the selected channel into the reference memory The reference function is not available in X Y mode You cannot adjust the horizontal position and scale of the reference waveform 2 20 Vertical Controls Removing Waveforms from the Display Removing Waveforms from the Display The channel 1 and channel 2 waveforms are turned on and off by pressing the 1 and 2 buttons on the front panel The math functions and reference waveforms are similarly turned on and off by pressing the Math and Ref buttons on the front panel 2 21 Horizontal Controls The oscilloscope shows the time per division in the status bar Since all waveforms use the same time base the oscilloscope only displays one value for all channels except when you use Delayed Sweep The horizontal controls can change the horizontal scale and position of waveforms The horizontal center of the screen is the time reference for waveforms
31. easurements Pressing the Time menu button produces the following menus Time Measurement Menu 1 Menu Comments Time 1 3 Press to display menu 2 time measurements Freq Measure the frequency of a waveform Period Measure the period of a waveform Rise Time Measure the rise time of a waveform Fall Time Measure the fall time of a waveform Time Measurement Menu 2 Menu Comments Time 2 3 Press to display menu 3 time measurements Width Measure the positive pulse width of a waveform Width Measure the negative pulse width of a waveform Duty Measure the positive duty cycle of a waveform Duty Measure the negative duty cycle of a waveform Time Measurement Menu 3 Menu Comments Time 3 3 Press to display menu 1 time measurements Delay1 2 Measure the delay between two waveforms using the rising edges Delayi 2 Measure the delay between two waveforms using the falling edges Counter Press to toggle the hardware counter on and off The results of the automatic measurements are displayed on the bottom of the screen When invoking individual measurements a maximum of three results can be displayed at the same time The next new measurement result selected moves the previous measurements to the left pushing the first measurement result off screen The hardware counter result is displayed separately in the upper right hand corner of the screen The Display All function displays all of the measurements except for the Delay
32. en see the following warn ings In addition note the external markings on the instru ment that are described under Safety Symbols Warnings e Before turning on the instru ment you must connect the pro tective earth terminal of the instrument to the protective con ductor of the mains power cord The mains plug shall only be inserted in a socket outlet provided with a protective earth contact You must not negate the protective action by using an extension cord power cable without a protective conductor grounding Grounding one conductor of a two conductor outlet is not sufficient protec tion e Only fuses with the required rated current voltage and spec ified type normal blow time delay etc should be used Do not use repaired fuses or short circuited fuseholders To do so could cause a shock or fire haz ard e If you energize this instrument by an auto transformer for volt age reduction or mains isola tion the common terminal must be connected to the earth termi nal of the power source Agilent Technologies Inc P O Box 2197 1900 Garden of the Gods Road e Whenever it is likely that the ground protection Is impaired you must make the instrument inoperative and secure it against any unintended operation e Service instructions are for trained service personnel To avoid dangerous electric shock do not perform any service unless qualified to do so Do not attempt internal service o
33. erly it can convert unstable displays or blank screens into meaningful waveforms The oscilloscope acquires data while waiting for the trigger condition to occur After it detects a trigger the oscilloscope continues to acquire enough data so that it can draw the waveform on the display 2 30 Trigger Controls Trigger System Setup Trigger System Setup Figure 2 18 shows the front panel trigger system controls Figure 2 18 Trigger ga Mode oA Trigger level knob level knob a Oo N ZJ Level Ext Irig Trigger Controls The following exercise guides you through these trigger buttons knobs and status bar 1 Turn the trigger Level knob and notice the changes it makes to the display As you turn the Level knob two things happen on the display First the trigger level value is displayed at the lower left hand corner of the screen Second if the trigger coupling is DC or HF Reject a line is displayed showing the location of the trigger level with respect to the waveform 2 Change the trigger setup and notice how these changes affect the status bar a Press the Mode Coupling button in the trigger controls area The Trigger menu appears Figure 2 19 displays this trigger menu 2 31 Figure 2 19 Trigger Controls Trigger System Setup Trigger Menu b Press the Mode menu button and notice the differences between Edge trigger Pulse trigger and Video trigger Leave in the E
34. form NTSC Trigger on an NTSC video waveform Normal Polarity Sync triggers always occur on negative going horizontal sync pulses If the video waveform has positive going horizontal sync pulses use the Inverted Polarity selection Figure 2 20 Video Line Trigger 2 35 Trigger Controls Trigger Modes Figure 2 21 Video Field Trigger 2 36 Waveform Controls Figure 2 22 shows the location of the Acquire button in the Waveform section of the front panel Figure 2 22 Waveform Acquire Waveform Controls Pressing the Acquire button displays the Acquire menu as follows Table 2 9 Menu Settings Comments Mode Normal Normal acquisition mode Average Average acquisition mode Peak Detect Peak Detect acquisition mode Sampling Real Time Real time sampling mode Equ Time Equivalent time sampling mode Averages 2 to 256 Step by multiple of two Set average counts from 2 to 256 Sequence Activate sequential capture store and playback Select Real Time sampling to observe single shot or pulse waveforms Select Equ Time sampling to observe high frequency repetitive waveforms To reduce the displayed random noise select the Average acquisition This mode decreases screen refresh rate To avoid waveform aliasing select Peak Detect acquisition 2 37 Waveform Controls Stop Acquisition Stop Acquisition When acquisition is stopped the last acquired waveform is displayed The waveform
35. h Pass Filter L r f BPF Band Pass Filter Ec BRF Band Reject Filter Upper Limit 4 The front panel entry knob sets the high limit Lower Limit 4 The front panel entry knob sets the low limit Pressing the Upper Limit or the Lower Limit menu Keys turns the front panel entry knob into a control that can set the high and low frequency limits of the digital filter The horizontal scale control determines the maximum value for the upper and lower limits 2 14 Vertical Controls Math Functions Control Math Functions Control The math functions control allows the selection of the math functions add subtract multiply and FFT Fast Fourier Transform for CH1 and CH2 The mathematical result can be measured visually and also using the cursor controls To select a math function press the Math button to display the Math menu The settings of this menu are shown in the Table 2 3 The amplitude of the math waveform can be adjusted by pressing the 1 2 key selecting the scaling control and turning the entry knob The adjustment range is in a 1 2 5 sequence from 1 mV div to 10 kV div The scale setting is displayed above the status bar The position of the math function can be similarly adjusted Figure 2 10 Math Scale Math Function Definition 2 15 Figure 2 11 Table 2 3 Vertical Controls Math Functions Control Math Scale Setting Math Menu Menu Settings Description Operation A B Add source A t
36. ical Resolution 8 bits Peak Detection 5 ns Averages selectable from 2 4 8 16 32 64 128 and 256 Vertical System Analog channels Channels 1 and 2 simultaneous acquisition DS03062A 60 MHz DS03102A 100 MHz DS03152A 150 MHz DS03202A 200 MHz Calculated rise time DS03202A 1 8 ns 0 35 bandwidth DS03152A 2 3 ns DS03102A 3 5 ns DS03062A 5 8 ns Range 2 mV div to 5 V div Maximum Input i CAT II 1 MQ 300 Vrms Offset Range 2 V 2 mV div to 100 mV div 40 V on ranges 102 mV div to 5 V div Input Resistance 1 MQ 1 Input Capacitance 13 pF Coupling AC DC ground BW Limit 20 MHz ESD Tolerance 2 kV DC Vertical Gain Accuracy 2 mV div to 5 mV div 4 10 mV div to 5 V div 3 DC Measurement 3 x reading 0 1 div 1mV when 10 mV div or greater is selected and vertical position gt 16 waveform averages is at zero 3 x reading vertical position 1 of vertical position 0 2 div when 10 mV div or greater is selected and vertical position is not at zero Add 2 mV for settings from 2 mV div to 200 mV div Add 50 mV for settings gt 200 mV div to 5 V div 3 4 Horizontal Range Timebase Accuracy Modes Trigger System Sources Sweep Holdoff Time Selections Edge Pulse Width Video Maximum Input A Trigger Level Range Internal EXT EXT 5 Sensitivity DC AC LF Reject HF Reject Display System Display Resolution Display Brightness Specifications and Characteristics Characteristics
37. illoscopes cables and accessories that satisfy the critical specifications in these lists may be substituted for the recommended models with some modification to the test procedures Contact Agilent Technologies for more information about the Agilent products in these lists 4 4 Service Before Performing Performance Verification Testing Before Performing Performance Verification Testing Let the oscilloscope warm up before testing The oscilloscope under test must be warmed up with the oscilloscope application running for at least 30 minutes prior to the start of any performance test Equipment Required Description Critical Specifications Recommended Model Part Numbers Digital Multimeter DC voltage measurement accuracy better than 0 1 of Agilent 34401A reading Cable Assembly 50Q characteristic impedance Agilent 54855 61620 Adapter Agilent 1251 2277 Calibration 1 Push the Utility button on the front panel 2 Select Self Cal menu item in the Utility menu 3 Follow the on screen instructions 4 5 Vertical Performance Verification This section contains the following vertical performance verification e DC Gain Accuracy Test e Analog Bandwidth Test 4 6 Service DC Gain Accuracy Test DC Gain Accuracy Test CAUTION Ensure that the input voltage to the oscilloscope never exceeds 300 Vrms Specifications DC Gain Accuracy 1 5 of full scale at full resolution channel scale Full scale
38. ing the waveform to a predefined mask Pressing the Mask Test key produces the following menu Mask Test Menu 1 Menu Setting Comments Enable Test On Turn on Mask Test Off Turn off Mask Test Source CH1 Select Mask Test on CH1 CH2 Select Mask Test on CH2 Operation gt Run Mask Test stopped press to run Stop Mask Test running press to stop Msg Display On Turn on Mask Test information display Off Turn off Mask Test information display Mask Test Menu 2 Menu Settings Comments Output Fail Indicate when Fail condition detected Fail Fie Indicate and beep when Fail condition detected Pass Indicate when Pass condition detected Pass Fie Indicate and beep when Pass condition detected Stop on Output On Stop when output condition occurs Off Continue when output condition occurs Load Load a previously stored mask 2 49 Table 2 21 Utility Controls Mask Test Mask Test Menu 3 Menu Settings Comments X Mask R Set the mask s horizontal failure margin 0 04 div to 4 00 div lt Xdiv gt Y Mask R Set the mask s vertical failure margin 0 04 div to 4 00 div lt y div gt Create Mask Save Create a mask from the current waveform using the above failure margins Save the created mask The Mask Test function is unavailable in X Y mode The Output function is available on a BNC connector that is part of the optional 0 module Utility Controls 1 0 Setup Menu I O Setup Menu Require
39. l position to center screen or zero trigger offset 2 27 Figure 2 17 Horizontal Controls Horizontal Menu Holdoff Holdoff can be used to stabilize a waveform The holdoff time is the oscilloscope s waiting period before starting a new trigger During the holdoff time oscilloscope will not trigger until the holdoff has expired Holdoff The following exercise guides you through setting the holdoff time Press the Main Delayed front panel button to display the associated menu Select the Holdoff menu button Adjust the entry knob to change the Holdoff time until the waveform is stable Press the Holdoff Reset menu button to change the Holdoff time to the 100 ns minimum value 2 28 Horizontal Controls Roll Mode Roll Mode Roll mode continuously moves data across the display from left to right It allows you to see dynamic changes like adjusting a potentiometer on low frequency waveforms Two frequently used applications are transducer monitoring and power supply testing When in the Roll Mode the oscilloscope is untriggered and runs continuously You can also make automatic measurements in the roll mode The oscilloscope automatically enters the Roll Mode when the Horizontal Scale control is set to 50 ms div or slower and the trigger sweep is set to Auto 2 29 Trigger Controls The trigger determines when the oscilloscope starts to acquire data and display a waveform When a trigger is set up prop
40. left or right 2 64 Table 2 33 Cursor Measurement Controls Manual Manual Cursors Position Readouts Readout Type CurA Voltage Time CurB Voltage Time AY Voltage AX Time 1 AX Time Description Shows the current voltage value for Cursor A Shows the time position for Cursor A Shows the current voltage value for Cursor A Shows the time position for Cursor A Shows the voltage difference between Cursor A and Cursor B Shows the time difference between Cursor A and Cursor B Shows the frequency difference between Cursor A and Cursor B 2 65 Cursor Measurement Controls Track Track In the track mode the screen displays two cross hair cursors The cross hair of the cursor is positioned on the waveform automatically You can adjust the selected cursor s horizontal position on the waveform by turning the entry knob The oscilloscope displays the values of the coordinates in the boxes at the top of the screen Table 2 34 Track Cursors Menu Menu Settings Comments Mode Track Set Track mode in cursor measurement CursorA CH1 Set Cursor A track the waveform on channel 1 CH2 Set Cursor A to track the waveform on channel 2 None Turn off Cursor A Cursor B CH1 Set Cursor B to track the waveform on channel 1 CH2 Set Cursor B to track the waveform on channel 2 None Turn off Cursor B In cursor track mode the cursors move with the selected waveform 2 66 Cursor Measurement Controls Auto Measure
41. mbient Temperature Humidity Altitude Vibration Shock Pollution degree2 Indoor use only Installation categories 3 6 Peak to Peak Vpp Maximum Vmax Minimum Vmin Average Vavg Amplitude Vamp Top Vtop Base Vbase Overshoot Preshoot RMS Vrms Frequency Freq Period Positive Pulse Width Width Negative Pulse Width Width Positive Duty Cycle Duty Minus Duty Cycle Duty Rise Time Fall Time Rising Edge Time Delay from Channel 1 to Channel 2 Delay1 gt 2 Falling Edge Time Delay from Channel 1 to Channel 2 Delay1 gt 2 Hardware Counter 350 mm wide x 288 mm high x 145 mm deep without handle 4 8 kgs Frequency 1 kHz Amplitude 3 Vpp into 1 MQ load 100 to 240 VAC 10 CAT II automatic selection 50 to 440 Hz 50 VA max Operating 0 C to 55 C Non operating 40 C to 70 C Operating 95 RH at 40 C for 24 hr Non operating 90 RH at 65 C for 24 hr Operating to 4 570 m 15 00 ft Non operating to 15 244 m 50 000 ft HP Agilent class B1 HP Agilent class B1 Normally only dry non conductive pollution occurs Occasionally a temporary conductivity caused by condensation must be expected This instrument is rated for indoor use only CAT Mains isolated CAT Il Line voltage in appliance and to wall outlet Service S Qr Returning the oscilloscope to Agilent Technologies for service Before shipping the oscilloscope to Agilent Technologies contact
42. ndow is called the Delayed Sweep window Two blocks shadow the top half the unshadowed portion is expanded in the lower half In this mode the horizontal position and scale knobs control the size and position of the Delayed Sweep window To change the Main time base you must turn off the Delayed Sweep mode Since both the Main and Delayed Sweep windows are displayed there are half as many vertical divisions so the vertical scaling is doubled Notice the changes in the status bar The Delayed Sweep function can also be activated by pressing the horizontal scale knob 2 26 Figure 2 16 Horizontal Controls Horizontal Menu X Y Format This format compares the voltage levels of two waveforms point by point It is useful for studying phase relationships between two waveforms This format only applies to channels 1 and 2 Choosing the X Y display format displays channel 1 on the horizontal axis and channel 2 on the vertical axis The oscilloscope uses the untriggered acquisition mode and waveform data is displayed as dots The sampling rate can vary from 2 kSa s to 100 MSa s and the default sampling rate is 1 MSa s X Y display format The following modes or functions are not available in X Y format e Automatic Measurements e Cursor Measurements e Mask Test e Ref and Math Operations e Delayed Sweep e Vector Display Mode e Horizontal position knob e Trigger Controls Trig Offset Reset This control resets the horizonta
43. nt Concepts Time Measurements There are 10 automatic time measurements Frequency Period Rise Time Fall Time Width Width Duty Duty Delay 1 2 Delay 1 2 The following figures show how the different time measurements are made Frequency 1 Period Time origin line 50 Top Base 54800b24 cdr Period Frequency and Period Measurements 2 60 Automatic Measurement Controls Measurement Concepts a Vtop 90 upper 50 middle 10 lower Vbase Figure 2 33 Time origin line Rising Falling edge edge Rise Time and Fall Time Measurements Figure 2 34 Time origin line per ae on OOC S Top Amplitude of Le age ec gure a i er ade eee Base 0 Volts 3000b04 cdr i Mian Width and Width Measurements 3000b02 cdr Time origin line Amplitude 4 l a ee Ah ee es eh ie Base O Volts Width 2 61 Automatic Measurement Controls Measurement Concepts Figure 2 35 Time origin line Channel 1 ee 2 3000b05 cdr Delay from channel 1 to channel 2 falling edge 50 J Ne 1 Lae 50 Channel 2 Time origin line lt gt 3000b06 cdr Delay from channel 1 to channel 2 rising edge Delay Measurements Figure 2 36 Cursor Measurement Controls Figure 2 36 shows the location of the Cursors button on
44. o change the probe attenuation factor for channel 1 press the 1 front panel key Press the Probe menu key to change the attenuation factor to match the probe being used Figure 2 7 shows an example for using a 1000 1 probe Probe Attenuation Probe Attenuation Set to 1000 1 Probe attenuation factors and corresponding settings 1 1 1X 10 1 10X 100 1 100X 1000 1 1000X Figure 2 8 Vertical Controls Invert Control Invert Control The invert control inverts the displayed waveform with respect to the ground level When the oscilloscope is triggered on the inverted waveform the trigger is also inverted To invert the waveform on channel 1 press the 1 front panel key Press the Invert menu key until ON appears Figure 2 8 and Figure 2 9 show the changes before and after inversion Bwy Lirnit GF The waveform before inversion 2 12 Vertical Controls Invert Control Figure 2 9 The waveform after inversion 2 13 Table 2 2 Vertical Controls Digital Filter Controls Digital Filter Controls Pressing the Digital Filter menu key displays the Filter Controls The filter controls set the digital filter used to filter the sampled waveform data The types of filters that are available are shown in Table 2 2 Filter Menu Menu Setting Description Digital Filter ON Turns the filter for this channel on and off OFF Filter Type TE __ LPF Low Pass Filter t r f _ HPF Hig
45. o source B A B Subtract source B from source A AxB Multiply source B by source A FFT Fast Fourier Transform Source A CH1 Set CH1 or CH2 as source A CH2 Source B CH1 Set CH1 or CH2 as source B CH2 Invert ON Inverted display of the Math waveform OFF Non inverted display of the Math waveform 2 16 Table 2 4 Vertical Controls Math Functions Control Using the FFT The FFT math function mathematically converts a time domain waveform into its frequency components FFT waveforms are useful for finding the harmonic content and distortion in systems for characterizing noise in DC power supplies and for analyzing vibration The FFT of a waveform that has a DC component or offset can cause incorrect FFT waveform magnitude values To minimize the DC component choose AC Coupling on the source waveform To reduce random noise and aliasing components in repetitive or single shot waveforms set the oscilloscope acquisition mode to averaging To display FFT waveforms with a large dynamic range use the dBVrms scale The dBVrms scale displays component magnitudes using a log scale Selecting an FFT Window There are 4 FFT windows Each window has trade offs between frequency resolution and amplitude accuracy Your source waveform characteristics along with your measurement priorities help determine which window to use Use the following guidelines to select the best window FFT Windows Window Characteristics Best for meas
46. pling is set to AC Comments Sets channel 1 as the trigger source Sets channel 2 as the trigger source Sets EXT TRIG as the trigger source Sets EXT TRIG 5 as the trigger source Positive pulse width less than pulse width setting Positive pulse width larger than pulse width setting Positive pulse width equal to pulse width setting Negative pulse width less than pulse width setting Negative pulse width larger than pulse width setting Negative pulse width equal to pulse width setting Adjusts pulse width using the front panel entry knob Acquire waveform even when no trigger occurs Acquire waveform when trigger occurs Sets the input coupling to AC 50 Hz cutoff Sets the input coupling to DC Sets the input coupling to low frequency reject 100 kHz cutoff Sets the input coupling to high frequency reject 10 kHz cutoff 2 34 Trigger Controls Trigger Modes Table 2 8 Video Trigger Menu Buttons Menu Settings Comments Source CH1 Sets CH1 as the trigger waveform CH2 Sets CH2 as the trigger waveform EXT Sets EXT TRIG as the trigger waveform EXT 5 Sets EXT TRIG 5 as the trigger waveform Polarity Normal polarity Trigger on the negative edge of the sync pulse Inverted polarity Trigger on the positive edge of the sync pulse sync All Lines Trigger on all lines Line Num Trigger on a selected line Odd field Trigger on an odd field Even field Trigger on an even field Standard PAL SECAM Trigger on a PAL or SECAM video wave
47. r adjustment unless another per son capable of rendering first aid and resuscitation is present e Do not install substitute parts or perform any unauthorized modification to the instrument e Capacitors inside the instru ment may retain a charge even if the instrument is disconnected from its source of supply e Do not operate the instrument in the presence of flammable gasses or fumes Operation of any electrical instrument in such an environment constitutes a definite safety hazard e Do not use the instrument in a manner not specified by the manufacturer To clean the instrument If the instrument requires clean ing 1 Remove power from the instrument 2 Clean the exter nal surfaces of the instrument with a soft cloth dampened with a mixture of mild detergent and water 3 Make sure that the instrument is completely dry before reconnecting it to a power source Colorado Springs CO 80901 2197 U S A Safety Symbols A Instruction manual symbol the product is marked with this sym bol when it is necessary for you to refer to the instruction man ual in order to protect against damage to the product Hazardous voltage symbol Earth terminal symbol Used to indicate a circuit common con nected to grounded chassis Notices Agilent Technologies Inc 2005 No part of this manual may be reproduced in any form or by any means including electronic storage and retrieval or transla
48. requency Check section of the Performance Test Record To pass this test this value must be greater than 3 0 dB 4 19 Service Analog Bandwidth Maximum Frequency Check 25 Move the power splitter from channel 1 to channel 2 and repeat steps 3 through 24 using channel 2 as the source 4 20 Service Performance Test Record Performance Test Record DC Gain Test Vertical Power VDMM VScope Calculated Offset Gain Sensitivity Supply DC Gain Test Limits Setting meme O mwv Jew o o o smv asw O Sid Sid O o E e a a S Sid E 08 aw eow O S o rt 08 mva eo O S S o rt 0 wom eow if O o O oon E s600nv Sid E 0 soomvidy atsv a S E E aww ew i Sd SSSidS S omo paviv ssov i E 0 swa v _ i asrto t05 the SSS omw ew i Sid SSSC wdSSCSC SY oO smv asw i o O n omi o O Sid o T oon am ow O O o O on mvi aw OO Sid o O sto woman ow O S S O o wowi ow Cd S O o wom as O S o O o wiw fewn O O Sid T oon Frio 108 Foro 108 isi 5 V div 15 0 V 4 21 Analog Bandwidth Maximum Frequency Check Max frequency DS03062A 60 MHz DS03102A 100 MHz DS03152A 150 MHz DS031202A 200 MHz Calculated Vin Vout Calculated Gain 1 MHz Max Freq Max Freq Gain Max Freq Test Limit Test Limit greater than 3 greater than 3 dB 4 22 Index A accessories
49. rom the status bar in the display a Change the vertical sensitivity with the scale knob and notice that it causes the status bar to change b Press the 1 button The CH1 menu appears and the channel is turned on c Toggle each of the menu buttons and notice which buttons cause the status bar to change d Press the 1 button to turn the channel off or on Press the MENU ON OFF button to hide the menu without turning the channel off Pressing the channel s vertical scale knob toggles its sensitivity between coarse and fine modes Inthe coarse mode the knob changes the Volts Div scale in a 1 2 5 sequence from 2mV div 5mV div 10mV to 5 V div In the fine mode the knob changes the Volts Div scale in small steps between the coarse settings It is helpful when you need to adjust the waveform s vertical size in finer steps 2 5 Figure 2 2 Vertical Controls Channel Coupling Control Channel Coupling Control The channel coupling control can be used to remove any DC offset voltage on a waveform By setting the coupling control to AC the DC offset voltage is removed form the input waveform To remove any DC offset voltage from a waveform on channel 1 press the 1 front panel key Press the Coupling menu key until AC appears See Figure 2 2 AC Coupling AC Coupling Status AC Coupling Control When DC coupling is selected both AC and DC components of the input waveform are passed to the oscilloscope See Figure 2 3
50. s the I O module to be installed before the GPIB and RS 232 ports can be configured Before installing or uninstalling the I O module make sure that the oscilloscope power is off More details can be found in the Programmer s Guide on the CD ROM Pressing the I 0 Setup menu key produces the following menu Table 2 22 1 0 Setup Menu Menu Settings Comments RS 232 Baud 300 Sets the RS 232 baud rate 2400 4800 9600 19200 38400 GPIB Address Othrough 30 Sets the GPIB address ote USB connected 2 51 Utility Controls System Info System Info Press this menu button to display the oscilloscope s model number serial number software version and installed module information 2 52 Figure 2 29 Utility Controls Self Calibration Self Calibration Before performing the automatic calibration allow the oscilloscope to warm up at least 30 minutes Pressing the Self Cal menu key starts the automatic calibration routine which adjusts the internal circuitry of the oscilloscope for the best measurement accuracy The the automatic calibration should be run when the ambient temperature changes by 5 C or more Press Run Stop key to start Press 4utoscale key to exit Calibration Dialog Box 2 53 Table 2 23 Utility Controls Self Test Self Test Pressing the Self Test key produces the Self Test menu as follows Self Test Menu Menu Settings Screen Test Press to run the screen te
51. scope finds the trigger point on the rising or the falling edge of a waveform The Level control determines voltage point on the waveform where the trigger occurs Edge Trigger Menu Buttons Menu Settings Comments Source CH1 Sets CH1 as the trigger source CH2 Sets CH2 as the trigger source EXT Sets EXT TRIG as the trigger source EXT 5 Sets EXT TRIG 5 as the trigger source AC Line Sets the power line as the trigger source Slope Rising Trigger on rising edge Falling Trigger on falling edge Sweep Auto Acquire waveform even when no trigger occurs Normal Acquire waveform when trigger occurs Coupling AC Sets the input coupling to AC 50 Hz cutoff DC Sets the input coupling to DC LF Reject Sets the input coupling to low frequency reject 100 kHz cutoff HF Reject Sets the input coupling to high frequency reject 10 kHz cutoff 2 33 Table 2 7 Trigger Controls Trigger Modes Pulse Trigger A pulse trigger occurs when a pulse is found in a waveform that matches the pulse definition The When and Setting menu buttons control the pulse definition Pulse Trigger Menu Buttons Menu Source When Setting Sweep Coupling Settings CH1 CH2 EXT EXT 5 Ae FL F pm EA Ea 19 lt Width gt Auto Normal AC DC HF Reject LF Reject Video Trigger Video triggering is used to trigger on fields or lines of NTSC PAL or SECAM standard video waveforms When Video is selected the trigger cou
52. st Key Test Press to run the front panel key and knob test Screen Test Press this menu button to run the Screen Test program Follow the on screen messages The screen of the oscilloscope turns red green and blue in sequence when pressing the Run Stop front panel key Visually check the screen for display failures Key Test Pressing this menu button runs the front panel key and knob test The on screen shapes represent the front panel keys The shapes with two arrows beside them represent the front panel knobs The squares represent the knob presses for scale knobs Test all keys and knobs and verify that all of the controls turn green During this test you should also verify that all the backlit buttons illuminate correctly To exit the key test press the Run Stop key three times in succession 2 54 Figure 2 30 Table 2 24 Automatic Measurement Controls The Meas button located on the front panel actives the automatic measurement system The instructions below will guide you in using the various measurement functions Pressing the Meas button produces the Measure menu used to select automatic measurement The oscilloscope has 20 automatic measurements Vpp Vmax Vmin Vtop Vbase Vamp Vavg Vrms Overshoot Preshoot Freq Period Rise Time Fall Time Delay1 2 Delay1 2 Width Width Duty and Duty It also has a hardware counter capability 7 Measure _ Meas Button Measure Menu Menu
53. t End frame R lt 1 to 220 gt Save Load Comments Set first frame to be saved using the front panel entry knob Set last frame to be saved using the front panel entry knob Save the waveforms between start frame and end frame Load the saved waveforms from non volatile memory 2 42 Figure 2 26 Table 2 14 Display Controls Figure 2 26 shows location of the Display button in the Waveform area of the front panel Waveform _ Display Menu Pressing the Display button produces the Display menu as follows Display Menu 1 Menu Setting Comments Type Vectors Display waveforms as vectors Dots Display waveforms as dots Grid E Display grids and axes on the screen HH Turn off the grids Turn off the grids and axes Persist Infinite The sample points remain displayed until persistence is set to OFF or Clear is pressed OFF Turn off the persistence function Clear Clears waveforms from the display When the display Type is set to Vectors the oscilloscope connects the sample points by using digital interpolation Digital interpolation maintains linearity by using a sin x x digital filter The digital interpolation is suitable for real time sampling and is most effective at 20 ns or faster horizontal scale settings 2 43 Table 2 15 Display Controls Sequence Capability Display Menu 2 Menu Settings Comments cy Press to increase display brightness p SS Press to decrease
54. t Record DCCHE AN out V copet z V cope AVin Vpmm Vpmm 4 12 Service Analog Bandwidth Maximum Frequency Check Analog Bandwidth Maximum Frequency Check CAUTION Ensure that the input voltage to the oscilloscope never exceeds 300 Vrms Specification Analog Bandwidth 3 dB DS03062A 60 MHz DSO3102A 100 MHz DSO3152A 150 MHz DS03202A 200 MHz Equipment Required Description Critical Specifications Recommended Model Part Numbers Signal Generator 100 kHz to 1 GHz at 200 mVrms Agilent 8648A Power Splitter outputs differ by lt 0 15 dB Agilent 11667B Power Meter Agilent E series with power sensor compatibility Agilent E4418B 4 13 Service Analog Bandwidth Maximum Frequency Check Connections Connect the equipment as shown in Figure 4 4 Figure 4 4 Power meter E4418B Oscilloscope Signal Generator 8648A Power sensor cable 50 Q feed through Power splitter 667B 11667 ici S QOQOO QO sl SMA to BNC adapter Power sensor 8482A SMA ane Type N to SMA adapter Procedure 1 Preset and calibrate the power meter according to the instructions found in the power meter manual 2 Set up the Power Meter to display measurements in units of Watts 3 On the oscilloscope press the Save Recall front panel button 4 Select the Storage item in the Save Recall menu until Setups appears 4 14 Service Analog Bandwidth Maximum Frequency Check Figure
55. the front panel 7 Measure _ Cursors Button There are three cursor measurement modes e Manual e Track e Auto Measure 2 63 Table 2 31 Table 2 32 N Cursor Measurement Controls Manual Manual In the manual mode the screen displays two parallel cursors You can move the cursors to make custom voltage or time measurements on the waveform The cursor values are displayed in the boxes at the top of the screen Before using cursors you should make sure that you have set the waveform source to the channel that is to be measured Manual Cursors Menu Menu Settings Comments Mode Manual Set Manual mode for cursor measurement Type Voltage Use cursors to measure voltage parameters Time Use cursors to measure time parameters Source CH1 Sets the measurement waveform source CH2 Math To do manual cursor measurements use the following steps Press the Mode menu button until Manual appears Press Type menu button until the units that you want to measure appears Press the Source menu button until the source you want to measure appears Move the cursors to the desired measurement position using the information in Table 2 32 Cursor movement is only possible while the Cursors menu is being displayed Manual Cursors Adjustment Controls Type Operation Voltage Turn the entry knob to move the selected cursor A or B up or down Time Turn the entry knob to move the selected cursor A or B
56. tion into a foreign language without prior agreement and written consent from Agilent Technologies Inc as governed by United States and interna tional copyright laws Manual Part Number D3000 97000 March 2005 Print History D3000 97000 March 2005 Restricted Rights Legend If software is for use in the per formance of a U S Government prime contract or subcontract Software is delivered and licensed as Commercial com puter software as defined in DFAR 252 227 7014 June 1995 or as a commercial item as defined in FAR 2 101 a or as Restricted computer software as defined in FAR 52 227 19 June 1987 or any equivalent agency regulation or contract clause Use duplication or dis closure of Software is subject to Agilent Technologies standard commercial license terms and non DOD Departments and Agencies of the U S Govern ment will receive no greater than Restricted Rights as defined in FAR 52 227 19 c 1 2 June 1987 U S Government users will receive no greater than Limited Rights as defined in FAR 52 227 14 June 1987 or DFAR 252 227 7015 b 2 November 1995 as applicable in any technical data Document Warranty The material contained in this document is provided as is and is subject to being changed without notice in future editions Further to the maximum extent permitted by applica ble law Agilent disclaims all warranties either express or implied with regard
57. uring Rectangle Best frequency resolution worst Symmetric transients or bursts magnitude resolution This is Equal amplitude sine waves with fixed essentially the same as no window frequencies Broadband random noise with a relatively slowly varying spectrum Hanning and Better frequency poorer magnitude Sine periodic and narrow band random Hamming accuracy than Rectangular Hamming noise Asymmetic transients or bursts has slightly better frequency resolution than Hanning Blackman Best magnitude worst frequency Single frequency waveforms to find higher resolution order harmonics 2 17 Vertical Controls Math Functions Control Key points The FFT resolution is the quotient of the sampling rate and the number of FFT points With a fixed number of FFT points the lower the sampling rate the better the resolution The Nyquist frequency is the highest frequency that any real time digitizing oscilloscope can acquire without aliasing This frequency is half that of the sample rate provided it is within the analog bandwidth of the oscilloscope Frequencies above the Nyquist frequency will be under sampled which causes aliasing 2 18 Table 2 5 Figure 2 12 Vertical Controls Reference Control Reference Control The reference control saves waveforms to a nonvolatile waveform memory The reference function becomes available after a waveform has been saved To display the reference waveform menu press th
58. y Vini MHz Record this value in the Calculated Gain 1 MHz column of the Performance Test Record page 4 22 20 Change the signal generator frequency to the value for the model being tested as shown in the table below Da DS03062A DS03102A DSO31524 DS03202A 60 MHz 100 MHz 150 MHz 200 MHz Time Base 10 ns div 2 ns div 21 Change the oscilloscope time base to the value for the model being tests as shown in the table above 22 Using the Vpp reading calculate the Vrms value using the following expression and record it in the Performance Test Record page 4 22 _ VPP max X IRE Vout pa 4 18 Example Example Example 23 24 Service Analog Bandwidth Maximum Frequency Check For Vpp 1 24 V Vout Eo ee 371 mV 22 2828 Using the power meter reading convert this measurement to Volts RMS using the expression and record it in the Performance Test Record page 4 22 Vin Sa x 50Q max meas For Pmeas 3 65 mW Vin 13 65 mW x 50Q 427 mV Calculate the gain at the maximum frequency using the expression and record it in the Performance Test Record page 4 22 Vout max Vinmax l Gain 20 logo o Z For example if Vout Max Frequency 371 mV Vin Max Frequency 427 mV and Gain 1 MHz 0 998 then 371 mV 427 mV Gain Max Freq 20 log io E cola 1 16 dB Record this value in the Calculated Gain Max Freq column in the Analog Bandwidth Maximum F
59. your nearest Agilent Technologies oscilloscope Support Center or Agilent Technologies Service Center if outside the United States for additional details Write the following information on a tag and attach it to the oscilloscope e Name and address of owner e oscilloscope model numbers e oscilloscope serial numbers e Description of the service required or failure indications Remove all accessories from the oscilloscope Accessories include all cables Do not include accessories unless they are associated with the failure symptoms Protect the oscilloscope by wrapping it in plastic or heavy paper Pack the oscilloscope in foam or other shock absorbing material and place it in a strong shipping container You can use the original shipping materials or order materials from an Agilent Technologies Sales Office If neither are available place 8 to 10 cm 3 to 4 inches of shock absorbing material around the oscilloscope and place it ina box that does not allow movement during shipping Seal the shipping container securely Mark the shipping container as FRAGILE In any correspondence refer to oscilloscope by model number and full serial number 4 2 Testing Performance This section documents performance test procedures Performance verification for the products covered by this manual consists of three main steps e Performing the internal product self tests to ensure that the measurement system is functioning properly

User`s and Service Guide to 3000 Series Oscilloscopes

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