Tektronix TDS 200
Part Number: TDS 200 Series
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Tektronix TDS 200, size: 1.0 MB
Tektronix TDS 200
User reviews and opinions
|ctgadmin||11:51pm on Thursday, October 28th, 2010|
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|compaqipaq||4:31pm on Thursday, July 29th, 2010|
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|0wertwes||5:34pm on Monday, July 19th, 2010|
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Comments posted on www.ps2netdrivers.net are solely the views and opinions of the people posting them and do not necessarily reflect the views or opinions of us.
located in the liquid crystal display backlight contains trace elements of mercury. When you are ready to reclaim the instrument, you must properly transfer it according to local regulations concerning mercury-containing equipment or ship the instrument to the Tektronix Recycling Operations (RAMS). You can contact Tektronix for the RAMS shipping address and instructions.
TDS 200-Series Digital Oscilloscopes are small, lightweight, benchtop packages that you can use to take ground-referenced measurements. The TDS 210 and TDS 220 oscilloscopes have two-channels; the TDS 224 has four channels. In addition to the list of general features, this section covers the following topics: H How to install your product H How to add extended functions H How to perform a brief functional check H How to compensate probes H How to use the self calibration routine H How to match your probe attenuation factor NOTE. To select a display language, push the UTILITY menu button, and then push the Language menu box item to select the appropriate language.
H 100 MHz (TDS 220 or TDS 224) or 60 MHz (TDS 210) bandwidth with selectable 20 MHz bandwidth limit H 1 GS/s sample rate and 2,500 point record length for each channel H Cursors with readout H Five automated measurements H High-resolution, high-contrast LCD display with temperature compensation and replaceable back light H Setup and waveform storage H Autoset for quick setup H Waveform averaging and peak detection H Digital real-time oscilloscope H Dual time base H Video trigger capability H RS-232, GPIB, and Centronics communication ports easily added with optional extension modules H Variable persistence display H User interface available in ten user-selectable languages
Power Cord Use only power cords designed for your oscilloscope. Use a power source that delivers 90 to 264 VACRMS, 45 to 440 Hz. Refer to page 105 for a list of available power cords. Use the power cord notch to help route the cord to the rear of the instrument and avoid inadvertently disconnecting the power source.
Power cord notch
Security Loop Use the built-in cable channels to secure both your instrument and extension module to your location.
You can increase the feature set of your oscilloscope by inserting an extension module. Refer to page 103 for information about the available modules. CAUTION. Electrostatic discharge (ESD) can damage components in the extension module and the oscilloscope. Do not operate your instrument with the extension module connector exposed.
Modules slide in and out
A guard around the probe body provides a finger barrier for protection from electric shock.
WARNING. To avoid electric shock when using the probe, keep fingers behind the guard on the probe body. To avoid electric shock while using the probe, do not touch metallic portions of the probe head while it is connected to a voltage source. Connect the probe to the instrument and connect the ground terminal to ground before you take any measurements.
Probe Attenuation Setting
Probes are available with various attenuation factors which affect the vertical scale of the signal. To change (or check) the probe attenuation setting, press the VERTICAL MENU button (of the channel you are using), and then press the menu selection next to Probe until the correct setting is displayed. This setting remains in effect until changed again. NOTE. The default Probe menu attenuation setting is 10X when the oscilloscope is shipped. Be sure that the Attenuation switch on the P2100 probe is set to match the Probe menu selection in the oscilloscope. The probe switch settings are 1X and 10X.
NOTE. When the Attenuation switch is set to 1X, the P2100 probe limits the bandwidth of the oscilloscope to 7 MHz. To use the full bandwidth of the oscilloscope, be sure to set the switch to 10X.
To use your oscilloscope effectively, you must understand the following basic concepts: H Triggering H Acquiring data H Scaling and positioning waveforms H Measuring waveforms H Setting Up the oscilloscope The figure below shows a block diagram of the various functions of an oscilloscope and their relationship to each other.
Vertical: gain and position
Acquire data: mode and time base
Waveform record: 2500 points
Display Computer interface (TDS2CM)
Ext AC Line
The trigger determines when the oscilloscope starts to acquire data and display a waveform. When a trigger is set up properly, it can convert unstable displays or blank screens into meaningful waveforms.
When the oscilloscope starts to acquire a waveform, it collects enough data so that it can draw the waveform to the left of the trigger point. The oscilloscope continues to acquire 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 to the right of the trigger point. Source You can derive your trigger from various sources: Input channels, AC Line, and External.
Input. The most commonly used trigger source is any one of the input
channels. The channel you select as a trigger source will function whether it is displayed or not.
AC Line. You can use this trigger source when you want to look at
signals related to the power line frequency, such as lighting equipment and power supply devices. The oscilloscope generates the trigger, so you do not have to input a trigger signal.
External (TDS 210 and TDS 220 Only). You can use this trigger source
when you want to acquire data on two channels and trigger from a third. For example, you might want to trigger from an external clock or with a signal from another part of the test circuit. The EXT and EXT/5 trigger sources both use the external trigger signal connected to the EXT TRIG connector. EXT uses the signal directly; you can use EXT on signals with a trigger level range of +1.6 V to 1.6 V. The EXT/5 trigger source divides the signal by 5 which extends the trigger level range from + 8 V to 8 V. This allows the oscilloscope to trigger on a larger signal. Types The oscilloscope provides two types of triggers: Edge and Video.
Edge. You can use the edge trigger with analog and digital test
circuits. An edge trigger occurs when the trigger input passes through a specified voltage level in the specified direction.
Video. You can use the video trigger on fields or lines of standard
video signals. Refer to Triggering on a Video Signal on page 53. Modes The trigger mode determines how the oscilloscope behaves in the absence of a trigger event. The oscilloscope provides three trigger modes: Auto, Normal, and Single.
Auto. This trigger mode allows the oscilloscope to acquire a waveform even when it does not detect a trigger condition. If no trigger condition occurs while the oscilloscope waits for a specific period (as determined by the time-base setting), it will force itself to trigger.
Refer to Time Base on page 16 for more information on time bases. When forcing invalid triggers, the oscilloscope cannot synchronize the waveform, and the waveform seems to roll across the display. If valid triggers occur, the display becomes stable on the screen. You can use Auto mode to monitor an amplitude level, such as a power supply output, which may cause the waveform to roll across the display.
The Level control determines where on the edge the trigger point occurs. To access the trigger level control, press the HORIZONTAL Menu button, select Level, and use the LEVEL knob to change the value.
Positive-going edge Trigger level can be adjusted vertically Negative-going edge
Trigger slope can be positive or negative
When you acquire analog data, the oscilloscope converts it into a digital form. You can acquire data using three different acquisition modes. The timebase setting affects how rapidly data is acquired. Acquisition Modes There are three acquisition modes: Sample, Peak Detect, and Average.
Sample. In this acquisition mode, the oscilloscope samples the signal
in evenly spaced intervals to construct the waveform. This mode accurately represents analog signals most of the time.
However, this mode does not acquire rapid variations in the analog signal that may occur between samples. This can result in aliasing (described on page 18) and may cause narrow pulses to be missed. In these cases, you should use the Peak Detect mode to acquire data.
Peak Detect. In this acquisition mode, the oscilloscope finds the
highest and lowest values of the input signal over a sample interval and uses these values to display the waveform. In this way, the oscilloscope can acquire and display narrow pulses, which may have otherwise been missed in Sample mode. Noise will appear to be higher in this mode.
Average. In this acquisition mode, the oscilloscope acquires several
waveforms, averages them, and displays the resulting waveform. You can use this mode to reduce random noise. Time Base The oscilloscope digitizes waveforms by acquiring the value of an input signal at discrete points. The time base allows you to control how often the values are digitized. To adjust the time base to a horizontal scale that suits your purpose, use the SEC/DIV knob.
Scaling and Positioning Waveforms
You can change the display of waveforms by adjusting their scale and position. When you change the scale, the waveform display will increase or decrease in size. When you change the position, the waveform will move up, down, right, or left.
The channel reference indicator (located on the left of the graticule) identifies each waveform on the display. The indicator points to the ground level of the waveform record. Vertical Scale and Position You can change the vertical position of waveforms by moving them up or down on the display. To compare data, you can align a waveform above another or you can align waveforms on top of each other. You can change the vertical scale of a waveform. The waveform display will contract or expand about the ground level. Horizontal Scale and Position; Pretrigger Information You can adjust the Horizontal Position control to view waveform data before the trigger, after the trigger, or some of each. When you change the horizontal position of a waveform, you are actually changing the time between the trigger and the center of the display. (This appears to move the waveform to the right or left on the display.) For example, if you want to find the cause of a glitch in your test circuit, you might trigger on the glitch and make the pretrigger period large enough to capture data before the glitch. You can then analyze the pretrigger data and perhaps find the cause of the glitch. You change the horizontal scale of all the waveforms by using the SEC/DIV knob. For example, you might want to see just one cycle of a waveform to measure the overshoot on its rising edge.
Cursors This method allows you to take measurements by moving the cursors, which always appear in pairs, and reading their numeric values from the display readouts. There are two types of cursors: Voltage and Time. When you use cursors, be sure to set the Source to the waveform that you want to measure.
Voltage Cursors. Voltage cursors appear as horizontal lines on the
display and measure the vertical parameters.
Time Cursors. Time cursors appear as vertical lines on the display and
measure the horizontal parameters. Automated When you take automated measurements, the oscilloscope does all the calculating for you. Because these measurements use the waveform record points, they are more accurate than graticule or cursor measurements. Automated measurements use readouts to show measurement results. These readouts are updated periodically as the oscilloscope acquires new data.
Setting Up the Oscilloscope
You should become familiar with three functions that you will use often when operating your oscilloscope: Autoset, saving a setup, and recalling a setup. Included is a description of the default settings for normal operation of the oscilloscope.
Using Autoset The Autoset function obtains a stable waveform display for you. It automatically adjusts the vertical and horizontal scaling, as well as the trigger coupling, type, position, slope, level, and mode settings. Saving a Setup By default, the oscilloscope saves the setup each time it is powered off. The oscilloscope automatically recalls this setup the next time it is powered on. NOTE. You should wait at least five seconds after your last change to the setup before you turn off the power. This ensures that the setup is saved properly. You can also permanently save up to five setups in the memory of the oscilloscope and overwrite setups as needed. Recalling a Setup The oscilloscope can recall any of the saved setups or the factory default setup. Defaults (Factory Setup) The oscilloscope is set up for normal operation when it is shipped from the factory. You can recall the factory default setup any time you want to operate the oscilloscope using or starting from the factory default settings.
The front panel is divided into easy to use functional areas. This section provides you with a quick overview of the controls and the information displayed on the screen. The next figure shows the front panels for a TDS 210 or TDS 220, and for a TDS 224 oscilloscope.
Action Button Menu Boxes An Action Button menu box displays the name of the action. For example, you can use the two lowest menu boxes in the DISPLAY menu to increase or decrease the contrast. Radio Button Menu Boxes Radio Button menu boxes are separated by dashed lines. The name of the selected menu box displays in reverse video. For example, you can use the top three menu boxes in the ACQUIRE menu to select an acquisition mode. Page Selection Menu Boxes A Page Selection menu box contains two menus for a single button on the front panel with the selected menu displayed in reverse video. Each time you press the top menu box button to toggle between the two menus, the menu boxes below also change. For example, when you press the SAVE/RECALL front panel button, the top Page Selection menu contains the names of two menus: Setups and Waveforms. When you select the Setups menu, you can use the remaining menu boxes to save or recall setups. When you select the Waveforms menu, you can use the remaining menu boxes to save or recall waveforms. The SAVE/RECALL, MEASURE, and TRIGGER front panel buttons display Page Selection menu boxes.
Circular List Action Button Radio Button Page Selection
Obtaining a waveform display is dependent on many instrument settings. Once you obtain a waveform, you can take your measurements. But the appearance of these waveforms also provides key information about the waveform. Depending on the type, waveforms will be displayed in three different styles: black, gray, and broken.
1. A solid black waveform indicates a live waveform display. The waveform remains black when the acquisition is stopped if no controls are changed that make the display accuracy uncertain. Changing the vertical and horizontal controls is allowed on stopped acquisitions.
2. Reference waveforms and waveforms with persistence applied appear gray. 3. A broken line appearance indicates the waveform display accuracy is uncertain. This is the result of stopping the acquisition and then changing a control setting that the instrument cannot modify the displayed waveform to match. For example, changing the trigger controls on a stopped acquisition causes a broken-line waveform.
TDS 210 and TDS 220
CH 1, 2, 3 & 4 and CURSOR 1 & 2 POSITION. Positions the waveform
vertically. When cursors are turned on and the cursor menu is displayed, these knobs position the cursors.
Centronics, RS-232, or GPIB port is required. Refer to Optional Accessories on page 103.
RUN/STOP. Starts and stops waveform acquisition.
PROBE COMP. Voltage probe compensation output and ground. Use this to electrically match the probe to the input circuit. Refer to page 6.
The probe compensation ground and BNC shields are connected to earth ground. Do not connect a voltage source to these ground terminals.
CH 1, CH 2, CH 3 & CH 4. Input connectors for waveform display. EXT TRIG. Input connector for an external trigger source. Use the trigger menu to select the trigger source.
This section presents a series of application examples. These simplified examples highlight the features of the oscilloscope and give you ideas for using it to solve your own test problems. H Taking simple measurements Using Autoset Using the Measure menu to take automatic measurements Measuring two signals and calculating gain H Taking cursor measurements Measuring pulse width Measuring rise time Measuring ring frequency and ring amplitude H Analyzing signal detail Looking at a noisy signal Using the average function to separate a signal from noise H Triggering on a video signal Triggering on video fields and video lines Using the window function to see waveform details Triggering on odd or even video fields H Analyzing a differential communication signal Using math functions H Viewing impedance changes in a network Using XY mode Using persistence
Taking Simple Measurements
You need to see a signal in a circuit, but you do not know the amplitude or frequency of the signal. You want to quickly display the signal and measure the frequency, period, and peak-to-peak amplitude.
Using Autoset To quickly display a signal, do these steps: 1. Set the Probe menu attenuation to 10X. Set the switch to 10X on the P2100 probe. 2. Connect the channel 1 probe to the signal. 3. Push the AUTOSET button. The oscilloscope sets the vertical, horizontal, and trigger controls automatically. If you want to optimize the display of the waveform, you can manually adjust these controls. When you use more than one channel, the autoset function sets the vertical controls for each channel and uses the lowest-numbered active channel to set the horizontal and trigger controls.
Taking Automatic Measurements The oscilloscope can take automatic measurements of most displayed signals. To measure signal frequency, period, and peak-to-peak amplitude, do these steps: 1. Push the MEASURE button to see the Measure menu. 2. Push the top menu box button to select Source. 3. Select CH1 for the first three measurements. 4. Push the top menu box button to select Type. 5. Push the first CH1 menu box button to select Freq. 6. Push the second CH1 menu box button to select Period. 7. Push the third CH1 menu box button to select Pk-Pk. The frequency, period, and peak-to-peak measurements are shown in the menu and are updated periodically.
Measuring Two Signals You are testing a piece of equipment and need to measure the gain of the audio amplifier. You have an audio generator that can inject a test signal at the amplifier input. Connect two oscilloscope channels to the amplifier input and output as shown. Measure both signal levels and use the measurements to calculate the gain.
CH 1 CH 2
To activate and display the signals connected to channel 1 and to channel 2, do these steps: 1. If the channels are not displayed, push the CH 1 MENU and then CH 2 MENU buttons. 2. Push the AUTOSET button. To select measurements for the two channels, do these steps: 1. Select the source channels. a. Push the MEASURE button to see the Measure menu. b. Push the top menu box button to select Source. c. Push the second menu box button to select CH1. d. Push the third menu box button to select CH2. 2. Select the type of measurement displayed for each channel. a. Push the top menu box button to select Type. b. Push the CH1 menu box button to select Pk-Pk. c. Push the CH2 menu box button to select Pk-Pk. 3. Read the peak-to-peak amplitudes for channel 1 and channel 2 in the menu display. 4. Calculate the amplifier gain using the following equations: output amplitude input amplitude log(Gain)
Gain (dB) + 20
Taking Cursor Measurements
You can use the cursors to quickly take time and voltage measurements on a waveform. Measuring Pulse Width You are analyzing a pulse waveform, and you want to know the width of the pulse. To measure the width of a pulse using the time cursors, do these steps: 1. Push the CURSOR button to see the Cursor menu. 2. Push the top menu box button to select Time. 3. Push the Source menu box button to select CH1. 4. Use the CURSOR 1 knob to place a cursor on the rising edge of the pulse. 5. Use the CURSOR 2 knob to place the remaining cursor on the falling edge of the pulse. You can see the following measurements in the Cursor menu: H The time at Cursor 1, relative to the trigger. H The time at Cursor 2, relative to the trigger. H The delta time, which is the pulse width measurement.
To activate the differential signals connected to channel 1 and channel 2, do these steps: 1. Set the Probe menu attenuation to 10X. Set the switch to 10X on the P2100 probes. 2. If the channels are not displayed, push the CH 1 MENU and then CH 2 MENU buttons. 3. Push the AUTOSET button. 4. Push the MATH button to see the Math menu. TDS 210 and TDS 220 (Firmware V 2.00 and Above), and TDS 224 (All Versions) Oscilloscopes Do these steps: 1. Push the Operation menu box button to select. 2. Push the CH1CH2 menu box button to display a new waveform that is the difference between the displayed waveforms. For a more stable display, use the Run/Stop button to control the acquisition of the waveform. Each time you push the Run/Stop button, the instrument acquires a snapshot of the digital data stream. You can use the cursors or automatic measurements to analyze the waveform, or you can store the waveform to analyze later. NOTE. Vertical sensitivity should match on waveforms used for math operations. If they do not match, and you use cursors to measure the waveform result, an U displays that represents unknown in the level and delta readouts.
TDS 210 and TDS 220 Oscilloscopes (Firmware Below V 2.00) without a TDS2MM Press the CH1CH2 menu box button to display a new waveform that is the difference between the displayed waveforms. TDS 210 and TDS 220 Oscilloscopes (Firmware Below V 2.00) with a TDS2MM Do these steps: 1. Push the CH2 MENU button and then push the CH2 Inverted menu box button to invert the signal on channel 2. 2. Push the MATH MENU button and then push the CH1+CH2 menu box button to display a new waveform that is the difference between the displayed waveforms.
Viewing Impedance Changes in a Network
You have designed a circuit that needs to operate over a wide temperature range. You need to evaluate the change in impedance of the circuit as the ambient temperature is changed. Connect the oscilloscope to monitor the input and output of the circuit and capture the changes that occur as you vary the temperature.
In CH 1 CH 2
To view the input and output of the circuit in an x-y display, do these steps: 1. Set the Probe menu attenuation to 10X. Set the switch to 10X on the P2100 probes. 2. Connect the channel 1 probe to the input of the network, and connect the channel 2 probe to the output. 3. If the channels are not displayed, push the CH 1 MENU and CH 2 MENU buttons. 4. Push the AUTOSET button. 5. Adjust the VOLTS/DIV knobs to display approximately the same amplitude signals on each channel. 6. Push the DISPLAY button to see the Display menu. 7. Push the Format menu box button to select XY. The oscilloscope displays a Lissajous pattern representing the input and output characteristics of the circuit. 8. Adjust the VOLTS/DIV and VERTICAL POSITION knobs to display a desirable waveform. 9. Push the Persist menu box button to select Infinite. 10. Push the Contrast Increase or Decrease menu box buttons to adjust the contrast of the display for optimal viewing. As you adjust the ambient temperature, the display persistence captures the changes in the characteristics of the circuit.
Push the DISPLAY button to choose how waveforms are presented and to change the appearance of the entire display.
Menu Type Settings Vectors Dots Comments Vectors fills the space between adjacent sample points in the display Dots displays only the sample points Persist OFF 1 sec 2 sec 5 sec Infinite YT XY Sets the length of time each displayed sample point remains displayed
YT format displays the vertical voltage in relation to time (horizontal scale) XY format displays channel 1 in the horizontal axis and channel 2 in the vertical axis
Contrast Increase Contrast Decrease
Darkens the black (or gray) areas of the display Lightens the white areas of the display
Persistence. When using persistence, old data retained is displayed in
gray while the new data is black. With Persistence set to Infinite, record points accumulate until a control is changed.
XY Format. This format only applies to channels 1 and 2. Choose XY
display format to display channel 1 in the horizontal axis and channel 2 in the vertical axis. The oscilloscope uses the untriggered sample acquisition mode and data displays as dots. The sampling rate is 1 MS/s and can not be changed. NOTE. The oscilloscope can capture a waveform in normal YT mode at any sampling rate. You can view the same waveform in XY mode. To do so, stop the acquisition and change the display format to XY.
The controls operate as follows: H The channel 1 VOLTS/DIV and vertical POSITION controls set the horizontal scale and position. H The channel 2 VOLTS/DIV and vertical POSITION controls continue to set vertical scale and position. The following functions do not work in XY display format: H Ref or Math waveforms H Cursors H Autoset (resets display format to YT) H Time base controls H Trigger controls
You can use the horizontal controls to change the horizontal scale and position of waveforms. The horizontal center of the screen is the time reference for waveforms. Changing the horizontal scale causes the waveform to expand or contract around the screen center. Horizontal position changes the point, relative to the trigger, where the waveform appears on the center of the screen.
Source Type Readout
NOTE. The optional TDS2MM measurement extension module adds the rise time, fall time, positive pulse width, and negative pulse width measurements to the oscilloscope. See the TDS 200Series Extension Modules Instructions Manual.
Taking Measurements. You can display up to four automated measurements at a time for a single waveform (or divided among the waveforms). The waveform channel must be on (displayed) to make a measurement.
Automated measurements cannot be taken on reference or math waveforms or while using XY or scan mode.
Measurement Type Cyc RMS Mean Period Pk-Pk Definition Calculates a true RMS measurement of one complete cycle of the waveform Calculates the arithmetic mean voltage over the entire record Calculates the time for one cycle Calculates the absolute difference between the maximum and minimum peaks of the entire waveform Calculates the frequency of the waveform by measuring the first cycle
Push the SAVE/RECALL button to save or recall instrument setups or waveforms. Setups
Menu Setups Recall Factory Setup 5 Settings Comments Highlighting Setups displays the menus for storing or recalling instrument setups Sets the instrument controls to the default factory settings Specifies the memory location in which to save the current instrument settings or from which to recall the settings
Completes the save action Recalls the instrument settings stored in the location chosen in the Setup field
Saving and Recalling Setups. The complete setup is stored in
nonvolatile memory. When you recall the setup, you will be in the mode from which the setup was saved. When turning the instrument on, all settings return to the settings that were in place when the instrument was turned off.
Recalling the Factory (Default) Setup. You can recall the default Factory
Setup to initialize the instrument to a known setup.
Menu Waveforms Source CH1 CH2 CH3* CH4* Math A B C* D* Settings Comments Highlighting Waveforms displays the menus for storing or recalling waveforms Choose the waveform display to store
Vertical Delta Volts Measurement Accuracy, Average Acquisition Mode P2100 passive probe Bandwidth Attenuation ratio Compensation Range Input resistance Input capacitance Maximum input voltage Delta volts between any two averages of 16 waveforms acquired under same setup and ambient conditions (3% reading + 0.05 div)
DC to 100 MHz 10:pf-35 pf 10 M W 2% 14.5 pf-17.5 pf 10X position
DC to 7 MHz 1:1 All oscilloscopes with 1 M W input 1 M W 2% 80 pf-110 pf
300 VRMS CAT I or 300 V DC CAT I 300 VRMS CAT II or 300 V DC CAT II 100 VRMS CAT III or 100 V DC CAT III 150 VRMS CAT I or 150 V DC CAT I 150 VRMS CAT II or 150 V DC CAT II 100 VRMS CAT III or 100 V DC CAT III
Horizontal Sample Rate Range 50 S/s to 1 GS/s
Waveform Interpolation (sin x)/x Record Length SEC/DIV Range Sample Rate and Delay Time Accuracy Delta Time Measurement Accuracy (Full Bandwidth) 2500 samples for each channel 5 ns/div to 5 s/div, in a 1, 2.5, 5 sequence 100 ppm over any 1 ms time interval Conditions Single-shot, Sample mode > 16 averages Sample interval = s/div B 250 Position Range 5 ns/div to 10 ns/div 25 ns/div to 100 ms/div 250 ms/div to 5 s/div (4 div s/div) to 20 ms (4 div s/div) to 50 ms (4 div s/div) to 50 s Accuracy (1 sample interval + 100 ppm reading + 0.6 ns) (1 sample interval + 100 ppm reading + 0.4 ns)
Trigger Trigger Sensitivity, Edge Trigger Type Coupling DC Sensitivity CH 1, CH 2, CH 3 & CH 4 EXT EXT/5 Trigger Sensitivity, Edge Trigger Type, typical Coupling AC NOISE REJ HF REJ LF REJ Sensitivity Same as DC at 50 Hz and above Reduces the DC-coupled trigger sensitivity by 2 times for > 10 mv/div to 5 V/div Same as the DC-coupled limit from DC to 7 kHz, attenuates signals above 80 kHz Same as the DC-coupled limits for frequencies above 300 kHz, attenuates signals below 300 kHz Range 8 divisions from center of screen 1.6 V 8 V 1 div from DC to 10 MHz*, 1.5 div from 10 MHz* to Full 100 mV from DC to 10 MHz*, 150 mV from 10 MHz* to Full 500 mV from DC to 10 MHz*, 750 mV from 10 MHz* to Full
EN 50082-1 European Community Requirements:
IEC 61000-4-2 electrostatic discharge IEC 61000-4-3 radiated susceptibility** IEC 61000-4-4 power line fast transients IEC 61000-4-5 power line surge immunity IEC 61000-4-6 conducted immunity to RF fields IEC 61000-4-11 voltage dips, interrupts and variations AS/NZS 2064, Australian emissions standard for Industrial, Scientific, and Medical Equipment
(TDS 210, TDS 220, TDS 224, P2100) (P2100) Low Voltage Directive 73/23/EEC as amended by 93/68/EEC: EN 61010-1/A2:1995 Safety requirements for electrical equipment for measurement, control, and laboratory use EN 610102031:1994 Particular requirements for hand-held probe assemblies for electrical measurement and test
* Instrument tested with shielded cables. ** Meets Performance Criterion A with allowed degradation of up to 5 major divisions of trace noise increase from 80 MHz to 200 MHz and up to 2 divisions of trace noise increase over the range of 200 MHz to 1000 MHz under a 3 V/m RF field. Ambient RF fields may induce triggering when trigger threshold is offset less than 2.5 major divisions from ground reference.
Certifications and Compliances Certifications (TDS 210, TDS 220, TDS 224, P2100) (P2100) CSA Certified Power Cords Pollution Degree 2 Overvoltage Category CAN/CSA C22.2 No. 1010.1-92 UL3111-1, First Edition CAN/CSA C22.2 No. 1010.2.031 IEC61010-2-031 CSA Certification includes the products and power cords appropriate for use in the North America power network. All other power cords supplied are approved for the country of use. Do not operate in environments where conductive pollutants may be present. Category: CAT III CAT II CAT I Examples of Products in this Category: Distribution-level mains, fixed installation Local-level mains, appliances, portable equipment Signal levels in special equipment or parts of equipment, telecommunications, electronics
Adjustment Interval The recommended calibration interval is one year
Appendix B: Accessories
All accessories (standard and optional) are available by contacting your local Tektronix field office. Standard Accessories P2100 1X, 10X Passive Probes. The P2100 passive probes have a 7 MHz bandwidth with a rating of 150 V CAT II when the switch is in the 1X position, and a100 MHz bandwidth with a rating of 300 V CAT II when the switch is in the 10X position. TDS 200-Series Oscilloscope User Manual. A single User Manual is included. Refer to the Optional Accessories for a complete list of available language manuals.
Optional Accessories TDS2MM Measurement Extension Module. The TDS2MM module plugs directly into the rear panel of any TDS 200-Series oscilloscope. This module provides full GPIB and RS-232 compatibility and a Centronics port for hard copy output. The module allows measurement of rise time, fall time, and positive and negative pulse width. The module also provides Fast Fourier Transform (FFT). TDS2CM Communications Extension Module. The TDS2CM Communications module plugs directly into the rear panel of any TDS 200-Series oscilloscope. This module provides full GPIB and RS-232 compatibility and a Centronics port for hard copy output.
Tektronix TDS 220 Oscilloscope Operating Instructions
1). Press the White POWER Button located on top of the O-Scope behind the Tektronix name. The Scope will perform a Power-On Self-Test. If nothing happens, make sure that the Scope is plugged in. The Scope will initialize the display with the last settings that were used before the Scope was previously turned off. 2). Connect your input signal to CH 1 (Channel 1). If you have a second input signal, connect it to CH 2 (Channel 2) 3). Press the AUTOSET Button. The Scope will select parameters, and display the waveform(s).
This Scope uses Labeled Buttons to select Menus and Unlabeled Buttons to change the parameters within each menu. The five Unlabeled Buttons are to the right of the Display. The items within the column on the
right side of the display are the menu parameters. Decide which parameters you wish to change, and select the appropriate Labeled Button. Expanded information can be found in the Tektronix TDS 200-Series User Manual. See page 65 for a Reference List of each Front Panel Labeled Menu Button, and the associated page number explaining the Unlabeled Button Menu options. Copies of this manual can be found in the upper left-hand corner of the Oscilloscope Storage Cabinet, and in the Service Manuals Filing Cabinet in Joyners office. Look for the Tektronix TDS 220 Oscilloscope folder in the second drawer from the top. To change Channel 1 Waveform Parameters: Press CH 1 MENU. CH1 appears above the right column.
Make the following selections with the Unlabeled Buttons: (TDS-200 User Manual, Page 89). Coupling: Choose AC, Ground, or DC. Bandwidth Limit: Choose OFF if you want a 100 MHz display. Choose ON for a 20 MHz display. Volts/Div: Selects the resolution of the VOLTS/DIV KNOB. Choose Coarse to get the standard 1-2-5 sequence. Fine changes the resolution to small steps between the coarse settings. Probe: Select 1X when connecting input signal(s) to the Scope with BNC Cables, Patch Cords, or any wires that do not have a Series Resistor between the signal and the Scope. When using a Scope Probe, select 1X or 10X Attenuation on the Probe, and make the same selection on the Scope. Invert: Choose OFF for a Normal Display. Choose ON when using the Math function to subtract one channel from the other. Turn the VOLTS/DIV Knob to change the displayed amplitude of the waveform. Turn the POSITION Knob to move the waveform up or down. The Arrow on the left side of the display indicates the position of the waveform. Channel 1 can be toggled On or Off by pushing the CH 1 MENU Key. Channel 2 can also be turned ON and Off by pushing the CH 2 MENU Key.
To set the TRIGGER Parameters, press the TRIGGER MENU Button in the TRIGGER Column on the right side of the Scope.
Choose Edge Triggering. Video Triggering is used for NTSC, PAL, and SECAM Television Signals. Slope: Select to trigger on either the Rising or Falling edge of the signal. Source: Select the input source as the trigger signal. CH1, CH2, EXT (External), or EXT/5. Mode: Select Auto, Normal, or Single Sweep. Use Normal trigger mode to trigger only on a valid trigger. Use Auto trigger mode to let the acquisition free-run in the absence of a valid trigger. Auto allows an untriggered scanning waveform at 100ms/div or slower time base settings. Use Single trigger mode to capture a single acquisition of an event. Coupling: Choose AC, DC, Noise Reject, High Frequency Reject, or Low Frequency Reject. Press the RUN/STOP Button above the Trigger Column to stop the signal acquisition and continually display the last acquired signal. Press the button again to restart signal acquisition. (See Picture on the next page) To Change the Horizontal (X-Axis) Timebase, turn the SEC/DIV Knob to the left for a slower sweep, or to the right for a faster sweep. Turn the Horizontal POSITION Knob to move the entire waveform left or right. The Sec/Div time is displayed at the bottom of the screen to the right of the middle Y-Axis. The Position arrow is at the top of the display. Refer to the left portion of the picture below. These two controls should meet all of the needs of the present lab experiments. Refer to the TDS-200 User Manual, page 74 for a further explanation of the Horizontal Menu Keys.
To make desired Measurements appear in the right column, press the MEASURE Menu Key. With the top Unlabeled Button, select Source. The selected item appears in inverse video. Choose either Channel 1 or Channel 2 for each of the following Unlabeled Buttons.
Then press the top Soft Button to select Type. You can choose from the following seven items by pushing each Soft Key until the desired type of measurement appears: Frequency, Time Period per cycle, Statistical Mean Voltage Value, Pk-Pk (Peak-to-Peak Voltage), Cycle RMS Voltage Value, and None. See TDS 200 Users Manual, Page 79. For information on other menus, refer to the TDS 200 Users Manual. See Page 65 Menu Index Page. All quotations above were taken from the Tektronix TDS 200-Series User Manual Location = C:\Files\364 Lab\Equipment Op Instructions\TekTDS220 Oscilloscope.doc
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