TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.
Contacting Tektronix
Tektronix, Inc.
14150 SW Karl Braun Drive
P.O. Box 500
Beaverton, OR 97077
USA
For product information, sales, service, and technical support:
•In North America, call 1-800-833-9200.
•Worldwide, visit www.tek.com to find contacts in your area.
Table of Contents
Table of Contents
List of Tables................................................................................................................................................................................. 4
Important safety information..........................................................................................................................................................5
General safety summary........................................................................................................................................................5
To avoid fire or personal injury........................................................................................................................................5
Probes and test leads..................................................................................................................................................... 6
Service safety summary.........................................................................................................................................................6
Terms in this manual.............................................................................................................................................................. 6
Terms on the product............................................................................................................................................................. 6
Symbols on the product......................................................................................................................................................... 6
Model overview...................................................................................................................................................................... 9
Horizontal system analog channels......................................................................................................................................11
Data storage........................................................................................................................................................................ 15
Power source....................................................................................................................................................................... 15
EMC environment and safety...............................................................................................................................................16
Test record........................................................................................................................................................................... 18
Signal path compensation (SPC).........................................................................................................................................20
Check sample rate and horizontal position time accuracy...................................................................................................23
Check DC balance............................................................................................................................................................... 24
TBS2000B Series Oscilloscope Specification and Performance Verification3
List of Tables
List of Tables
Table 1: Sample rate for time/div versus record length............................................................................................................... 11
Table 3: Test record.....................................................................................................................................................................18
Table 4: DC balance....................................................................................................................................................................18
Table 6: Vertical position range................................................................................................................................................... 19
Table 7: Sample rate and delay time accuracy........................................................................................................................... 19
TBS2000B Series Oscilloscope Specification and Performance Verification4
Important safety information
Important safety information
This manual contains information and warnings that must be followed by the user for safe operation and to keep the product in a safe
condition.
To safely perform service on this product, see the Service safety summary that follows the General safety summary.
General safety summary
Use the product only as specified. Review the following safety precautions to avoid injury and prevent damage to this product or any
products connected to it. Carefully read all instructions. Retain these instructions for future reference.
This product shall be used in accordance with local and national codes.
For correct and safe operation of the product, it is essential that you follow generally accepted safety procedures in addition to the safety
precautions specified in this manual.
The product is designed to be used by trained personnel only.
Only qualified personnel who are aware of the hazards involved should remove the cover for repair, maintenance, or adjustment.
Before use, always check the product with a known source to be sure it is operating correctly.
This product is not intended for detection of hazardous voltages.
Use personal protective equipment to prevent shock and arc blast injury where hazardous live conductors are exposed.
While using this product, you may need to access other parts of a larger system. Read the safety sections of the other component manuals
for warnings and cautions related to operating the system.
When incorporating this equipment into a system, the safety of that system is the responsibility of the assembler of the system.
To avoid fire or personal injury
Provide a safe working
environment.
Always place the product in a location convenient for viewing the display and indicators.
Avoid improper or prolonged use of keyboards, pointers, and button pads. Improper or prolonged keyboard
or pointer use may result in serious injury.
Be sure your work area meets applicable ergonomic standards. Consult with an ergonomics professional to
avoid stress injuries.
Use care when lifting and carrying the product. This product is provided with a handle or handles for lifting
and carrying.
Use only the Tektronix rackmount hardware specified for this product.
WARNING
Product is heavy.
To reduce the risk of personal injury or damage to the device get help when lifting or carrying the product.
WARNING
Product is heavy.
Use a two-person lift or a mechanical aid
TBS2000B Series Oscilloscope Specification and Performance Verification5
Important safety information
Probes and test leads
Before connecting probes or test leads, connect the power cord from the power connector to a properly grounded power outlet.
Keep fingers behind the protective barrier, protective finger guard, or tactile indicator on the probes. Remove all probes, test leads and
accessories that are not in use.
Use only correct Measurement Category (CAT), voltage, temperature, altitude, and amperage rated probes, test leads, and adapters for
any measurement.
Beware of high voltages.Understand the voltage ratings for the probe you are using and do not exceed those ratings. Two ratings are
important to know and understand:
•The maximum measurement voltage from the probe tip to the probe reference lead.
•The maximum floating voltage from the probe reference lead to earth ground.
These two voltage ratings depend on the probe and your application. Refer to the Specifications section of
the manual for more information.
WARNING
Electric shock
Do not exceed the maximum measurement or maximum floating voltage for the oscilloscope input BNC
connector, probe tip, or probe reference lead.
Service safety summary
The Service safety summary section contains additional information required to safely perform service on the product. Only qualified
personnel should perform service procedures. Read this Service safety summary and the General safety summary before performing any
service procedures.
Terms in this manual
These terms may appear in this manual:
Terms on the product
These terms may appear on the product:
•DANGER indicates an injury hazard immediately accessible as you read the marking.
•WARNING indicates an injury hazard not immediately accessible as you read the marking.
•CAUTION indicates a hazard to property including the product.
Symbols on the product
When this symbol is marked on the product, be sure to consult the manual to find out the
nature of the potential hazards and any actions which have to be taken to avoid them. (This
symbol may also be used to refer the user to ratings in the manual.)
The following symbols(s) may appear on the product.
TBS2000B Series Oscilloscope Specification and Performance Verification6
Important safety information
TBS2000B Series Oscilloscope Specification and Performance Verification7
Preface
This manual contains specification and performance verification information for the TBS2000B Series Digital Storage Oscilloscopes.
Preface
TBS2000B Series Oscilloscope Specification and Performance Verification8
Specifications
Specifications
This chapter contains specifications for the instrument. All specifications are guaranteed unless noted as "typical." Typical specifications
are provided for your convenience but are not guaranteed. Specifications that are marked with the symbol are checked in Performance
Verification.
All specifications apply to all models unless noted otherwise. To meet specifications, two conditions must first be met:
•The instrument must have been operating continuously for twenty minutes within the specified operating temperature range.
•You must perform the Signal Path Compensation (SPC) operation described in ... If the operating temperature changes by more than
10 °C (18 °F), you must perform the SPC operation again.
Model overview
TBS2072BTBS2074BTBS2102BTBS2104BTBS2202BTBS2204B
Analog channels242424
Bandwidth70 MHz70 MHz100 MHz100 MHz200 MHz200 MHz
Sample rate2 GS/s2 GS/s2 GS/s2 GS/s2 GS/s2 GS/s
Record length5 M points5 M points5 M points5 M points5 M points5 M points
Vertical system analog channels
Hardware bandwidth limits20 MHz
Input couplingDC or AC
Input impedance1 MΩ ± 1 %, 13 pF ± 1.5 pF
Input sensitivity range1mV/div to 10 V/div
Vertical resolution8 bits
Maximum input voltage, 1 MΩ300 VRMS, Installation Category II; with peaks ≤ ±450 V
Number of digitized bits8 bits
Acquisition modes
SampleAcquire sampled values.
Peak DetectCaptures glitches as narrow as 3.5 ns at all sweep speeds.
AverageFrom 2 to 512 waveforms included in average.
Hi-ResAverages multiple sample of one acquisition interval into one waveform point.
RollScrolls waveforms right to left across the screen at sweep speeds slower than or equal to 40 ms/div.
Math modes
All units:Ch 1 - Ch 2
Ch 2 - Ch 1
Ch 1 + Ch 2
Ch 1 X Ch 2
FFT
TBS2000B Series Oscilloscope Specification and Performance Verification9
4 channel units:Ch 3 - Ch 4
Ch 3 + Ch 4
Ch 4 - Ch 3
Ch 3 X Ch 4
DC balance± (1 mV +0.1 div)
DC gain accuracy, typical± 2% 10 V/div through 5 mV/div, derated at 0.05%/ °C above 30 °C.
± 3% 1 mV/div and 2 mV/div
DC voltage measurement accuracy average mode
Average of > 16 waveforms ±((DC Gain Accuracy) X |reading - (offset - position)| + Offset Accuracy + 0.11 div + 1 mV)
Specifications
Delta Volts between any
two averages of ≥16
waveforms acquired with
the same oscilloscope
setup and ambient
conditions
Vertical position range± 5 divisions
Vertical offset ranges
Vertical offset accuracy± (0.01 X |offset - position | + DC Balance)
Upper-Frequency limit, 20 MHz
bandwidth limited
Lower-Frequency limit, AC
coupled, typical
±(DC Gain Accuracy X |reading| + 0.08 div + 1.4 mV)
Volts/Div setting1 MΩ, Input
1 mV/Div to 50 mV/Div±1 V
51 mV/div to 505 mV/div± 10 V
510 mV/div to 10 V/div± 100 V
≥ 20 MHz ± 20%
Because the digital triggering system uses data that has been BW limited, all Trigger functions on the BW
limited analog channel are affected. Each channel is separately limited, allowing different bandwidths on
different channels of the same instrument.
<10 Hz
≤1 Hz when 10X, passive probes are used.
Rise time, typical2.5 ns for 200 MHz Models.
4 ns for 100 MHz Models.
5.5 ns for 70 MHz Models.
Common mode rejection ratio
(CMRR), typical
TBS2000B Series Oscilloscope Specification and Performance Verification10
100:1 at 60 Hz, reducing to 10:1 with 50 MHz sine wave with equal Volts/Div and Coupling settings on each
channel.
Crosstalk
Specifications
Channel-to-channel isolation
Crosstalk (channel isolation)All Models: >100:1 with sine wave at rated bandwidth of instrument and with equal V/div settings on each
TBS2072, TBS2074TBS2102, TBS2104
=100:1 at =70 MHz=100:1 at =100 MHz
channel.
Horizontal system analog channels
Sample rateTBS220xB: 1 GS/s and 2 GS/s on all channels.
TBS207xB, TBS210xB: 500 MS/s, 1 GS/s, and 2 GS/s on all channels.
Table 1: Sample rate for time/div versus record length
Waveform interpolation is activated for sweep speeds of 40 ns/div and faster
Record length5 M, 2 M, 200 k, 20 k, 2 k, 1 k samples per record, user selectable or in the AUTO mode automatically
select the shortest record length which supports the highest sample rate available for the Time/Div settings.
Seconds division range
Time base rangeTBS207xB, TBS210xB, TBS220xB: 1 ns/div to 100 sec/div
Seconds division rangeTBS207xB, TBS210xB, TBS220xB: 1 ns/div to 100 sec/div in a 1-2-4 sequence
Time base accuracy±25 ppm over any ≥1 ms interval
Delta time measurement
accuracy
The limits are given in the following table for signals having amplitude ≥ 7 divisions, slew rate at the
measurement points of ≥ 2.0 divisions/ns, and acquired at ≥ 10 mV/Div:
ConditionTime Measurement Accuracy
Single shot, full bandwidth selected
> 16 averages, full bandwidth selected
± (1 Sample Interval + 25 X 10-6 X |reading| + 0.6
ns)
± (1 Sample Interval + 25 X 10-6 X |reading| + 0.4
ns)
Trigger system
Trigger types
EdgePositive or negative slope on any channel. Coupling includes DC, HF reject, LF reject, and noise reject.
Pulse widthTrigger on width of positive or negative pulses that are >, <, =, or ≠ a specified period of time.
RuntTrigger on a pulse that crosses one threshold but fails to cross a second threshold before crossing the first
again.
TBS2000B Series Oscilloscope Specification and Performance Verification12
Parallel BusTrigger on a parallel bus data value. Parallel bus can be from 1 to 64 bits (from the digital and analog
channels) in size. Binary and Hex radices are supported.
Trigger source
Trigger sourceAnalog channels and AC Line
Specifications
Trigger coupling analog
channels
Line trigger characteristicsLine Trigger mode provides a source to synchronize the trigger with the AC line input.
Sensitivity, edge–type trigger,
DC coupled
Edge–Type trigger sensitivity,
not DC coupled, typical
DC, Noise Reject, High Freq Reject, Low Freq Reject.
Matches the AC power Source Voltage and Source Frequency listed in the Power Supply System section.
Trigger SourceSensitivity
Analog inputs
Trigger CouplingTypical Sensitivity
HF reject
LF reject1.2 times the DC Coupled limits for frequencies
Noise reject
0.4 division from DC to 50 MHz
0.6 divisions >50 MHz to 100 MHz
0.8 divisions >100 MHz to 200 MHz
Same as DC Coupled limits from DC to 85 kHz.
Attenuates signals above 85 kHz.
above 65 kHz. Attenuates signals below 65 kHz.
2.5 times the DC Coupled limits.
Trigger level rangesInput channels: ± 4.90 divisions from center screen
Trigger level accuracy, DC
coupled, typical
Lowest frequency for
successful operation of Set
Level to 50% function.
Pulse–Type runt trigger
sensitivity, typical
Pulse–Type trigger width
sensitivity, typical
Pulse–Type trigger, minimum
pulse rearm time
TBS2000B Series Oscilloscope Specification and Performance Verification13
±0.2 div for signals within ±4 divisions from center screen, having rise and fall times of ≥20 ns.
50 Hz. Using a 10 X probe will not affect the operation of this function.
0.75 divisions, from DC to max bandwidth.
3.5 ns
Pulse ClassMinimum Pulse WidthMinimum Rearm Time
Runt2 ns2 ns
Width2 ns2 ns
Table continued…
Specifications
Pulse ClassMinimum Pulse WidthMinimum Rearm Time
Rise/Fall Time2 ns2 ns
Time range for pulse width or
runt triggering
Time accuracy for pulse width
triggering
Trigger frequency counter
Provides the user a higher accuracy means of identifying the frequency of trigger signals. Since averaging takes place over a longer time span,
the number of stable digits is improved over the Automatic Measurement of the same type.
Resolution6 digits
Accuracy, typical
Frequency range, typicalAC coupled, 10 Hz minimum to rated bandwidth
Signal sourceEdge selected trigger source only.
2 ns to 8 s
± 2 ns
±25 x 10-6 including all reference errors and ±1 count errors.
Frequency counter measures the selected trigger source at all times in edge mode, including when the
oscilloscope acquisition is halted due to changes in run status, or acquisition of a single shot event has
completed. Counts all edges of sufficient amplitude.
Input/Output ports
TekVPI interfaceThe probe interface allows installing, powering, compensating and controlling a wide range of probes
offering a variety of features.
Total probe power, typicalTBS2xx4B: 24 W, derated at 0.3 W/ °C above 30 °C
TBS2xx2B: 12 W
LAN port (Ethernet)RJ-45 connector, supports 10/100BASE-T
Wi-Fi interfaceAvailable as an optional USB dongle, supports 802.11 b/g/n.
GPIB interfaceAvailable as an optional accessory that connects to USB Device and USB Host Ports, TEK-488 GPIB to
USB Adapter. Control interface is incorporated in the instrument UI.
USB 2.0 high-speed host portSupports USB mass storage devices, Wi-Fi dongle, One port available on rear panel and one on front
panel.
USB 2.0 high-speed device port
Device portRear-panel connector allows for communication/control of oscilloscope through USBTMC or GPIB with a
TEK-USB-488.
Compatible USB-WIFI
dongles
LAN port (Ethernet)RJ-45 connector, supports 10/100BASE-T
Kensington-style lockRear-panel security slot connects to standard Kensington-style lock.
Sample Rate and Delay Time Accuracy-2.5 divs+2.5 divs
TBS2000B Series Oscilloscope Specification and Performance Verification19
Performance verification
Performance verification procedures
Note: If your instrument firmware version is v1.02, it should be updated before performing the performance verification
procedures. Download the latest firmware from www.tek.com/software.
The following three conditions must be met prior to performing these procedures:
•The instrument must have been operating continuously for twenty (20) minutes in an environment that meets the operating range
specifications for temperature and humidity.
•You must perform a signal path compensation (SPC) before beginning these procedures. If the operating temperature changes by
more than 10 °C (18 °F), you must perform the signal path compensation again.
•You must connect the instrument and the test equipment to the same AC power circuit. Connect the instrument and test instruments
into a common power strip if you are unsure of the AC power circuit distribution. Connecting the instrument and test instruments into
separate AC power circuits can result in offset voltages between the equipment, which can invalidate the performance verification
procedure.
The time required to complete the entire procedure is approximately one hour.
Warning: Some procedures use hazardous voltages. To prevent electrical shock, always set voltage source outputs to 0 V before
making or changing any interconnections.
Self test
This procedure uses internal routines to verify that the instrument functions and passes its internal self tests. No test equipment or hookups
are required. Start the self test with these steps:
1. Disconnect all probes and cables from the instrument inputs.
2. Push the front-panel Default Setup button to set the instrument to the factory default settings.
3. Push the Utility menu button.
4. Push the Utility Page bezel button, the Diagnostics bezel button, the Self Test bezel button, and turn Multipurpose knob a to select
Loop Times.
5. Push the Multipurpose knob a to select Loop Times, and turn the Multipurpose knob a to select Loop 1 Times.
6. Push the Multipurpose knob a to set the Loop Times to 1.
7. Turn Multipurpose knob a to select Run Self Test, and push the Multipurpose knob a to start the self tests.
8. Wait while the self test runs. When the self test completes, a dialog box displays the results of the self test.
9. Push the Menu Off button to clear the dialog box and Self Test menu.
Signal path compensation (SPC)
This process corrects for DC inaccuracies caused by temperature variations and/or long term drift.
1. Remove all input signals (probes and cables) from channel inputs. Input signals with AC components adversely affect SPC.
2. Push the front-panel Utility button, and then push the Utility Page bezel button.
3. Push the Calibration bezel button.
4. Turn the Multipurpose button a to select Signal Path, and then push Multipurpose knob a to select Calibration Signal Path.
5. Push the Compensate Signal Paths bezel button.
6. Wait while the Signal Path Compensation runs. On completion a dialog box informs you whether the Compensation completed
successfully or not.
7. Push the Menu Off button to clear the dialog box and Self Test menu.
TBS2000B Series Oscilloscope Specification and Performance Verification20
Performance verification
Check bandwidth
This test checks the bandwidth of all input channels.
1.Connect the output of the leveled sine wave generator (for example, Fluke 9500) to the channel 1 input as shown:
2.Push the front-panel Default Setup button to set the instrument to the factory default settings.
3.Push the front-panel Trigger Menu button.
4.Push the Coupling bezel button, and then use the Multipurpose knob to select and then set Noise Reject (DC Low Sensitivity).
5.Push the front-panel Trigger Menu button.
6.Push the Source bezel button and use Multipurpose knob a to select the channel being tested as the trigger source.
7.Push the Menu Off button, so you can see the screen.
8.Push the channel button (1, 2, 3, or 4) for the channel that you want to check.
9.Push the Probe Setup bezel button, and then use the Multipurpose knob to select Set to 1 X.
10.Push the front-panel Measure button, and then push the bezel button for the channel you are testing.
11.Use Multipurpose knob a to select the Peak-to-peak measurement.
12.Turn the Vertical Scale knob to set the vertical scale to 500 mV/div.
13.Turn the Horizontal Scale knob to 400 µs/div.
14.Set the leveled sine wave generator frequency to 1 kHz.
15.Set the leveled sine wave generator output level so the peak-to-peak measurement is between 2.98 V and 3.02 V.
16.Set the leveled sine wave generator frequency to:
•200 MHz if you are checking a TBS2204B or TBS2202B
•100 MHz if you are checking a TBS2104B or TBS2102B
•70 MHz if you are checking a TBS2074B or TBS2072B
17.Use the Horizontal Scale knob to set the instrument to 10 ns/div.
18.Check that the peak-to-peak measurement is =2.12 V. Enter this measurement in the test record.
19.Move the input cable to the next channel to be tested.
20.Repeat steps 3 on page 21 through 19 on page 21 for all input channels.
TBS2000B Series Oscilloscope Specification and Performance Verification21
Performance verification
Check vertical offset accuracy
This test checks the offset range for each channel.
1.Connect the instrument to a DC voltage source to run this test. If using the Fluke calibrator as the DC voltage source, connect the
calibrator head to the instrument channel to test.
2.Push the front-panel Default Setup button to set the instrument to the factory default settings.
3.Push the channel button (1, 2, 3, or 4) for the channel that you want to check.
4.Push the Probe Setup button, and then use the Multipurpose knob to select Set to 1 X.
5.Use the Vertical Scale knob to set the instrument to 200 mV/div.
6.Use the Vertical Position knob to place the trace at the bottom of the display (-5 divisions).
7.Press the Offset bezel button and use the Multipurpose knob to set the Offset to +0.8 V.
8.Set the DC Voltage source to +1.8 V.
9.Check that the vertical trace is now within 0.2 divisions of the Zero volt line. Record Pass or Fail in the test record.
10.Set the DC Voltage source to 0 V.
11.Push the Offset bezel button and use the Multipurpose knob to select Set to 0V.
12.Use the Vertical Position knob to place the trace at the top of the display (+5 divisions).
13.Press the Offset bezel button and use the Multipurpose knob to set the Offset to –0.8 V.
14.Set the DC Voltage source to –1.8 V.
15.Check that the vertical trace is now within 0.2 divisions of the Zero volt line. Record Pass or Fail in the test record.
16.Set the DC Voltage source to 0 V.
17.Push the Offset bezel button and use the Multipurpose knob to select Set to 0 V.
18.Use the Vertical Scale knob to set the instrument to 5 V/div.
19.Use the Vertical Position knob to place the trace at the bottom of the display (-5 divisions).
20.Press the Offset bezel button and use the Multipurpose knob to set the Offset to +20.00 V.
21.Set the DC Voltage source to +45 V.
22.Check that the vertical trace is now within 0.2 divisions of the Zero volt line. Record Pass or Fail in the test record.
23.Push the Offset bezel button and use the Multipurpose knob to select Set to 0 V.
24.Use the Vertical Position knob to place the trace at the top of the display (+5 divisions).
25.Press the Offset bezel button and use the Multipurpose knob to set the Offset to –20.00 V.
26.Set the DC Voltage source to –45 V.
27.Check that the vertical trace is now within 0.2 divisions of the Zero volt line. Record Pass or Fail in the test record.
28.Set the DC Voltage source to 0 V.
29.Push the Offset bezel button and use the Multipurpose knob to select Set to 0 V.
30.Move the DC Voltage source cable to the next channel to be tested.
31.Push the channel button (1, 2, 3, or 4) for the next channel to check.
TBS2000B Series Oscilloscope Specification and Performance Verification22
Performance verification
32.Repeat steps 4 through 31 for each of the remaining channels.
Check sample rate and horizontal position time accuracy
This test checks the sample rate and horizontal position time accuracy (time base).
1.Connect the output of the time mark generator to the channel 1 input using a 50 Ω cable and 50 Ω feed through terminator.
2.Set the time mark generator period to 1 ms. Use a time mark waveform with a fast rising edge.
3.Push the front-panel Default Setup button to set the instrument to the factory default settings.
4.Push the channel 1 button.
5.Push the Probe Setup bezel button, and then use the Multipurpose knob to select Set to 1 X.
6.Set the Vertical SCALE to 500 mV/div.
7.Set the Horizontal SCALE to 1 ms/div.
8.If adjustable, set the time mark generator amplitude to approximately 1 Vp-p.
9.Push the Trigger Level knob, to set the trigger level to 50%.
10.Adjust the Vertical POSITION knob to center the time mark signal vertically on the screen.
11.If necessary, adjust the Horizontal POSITION knob to move the trigger location to the center of the screen (50%).
12.Turn the Horizontal POSITION knob counterclockwise to set the delay to close to 1 ms.
13.Set the Horizontal Scale to 10 ns/div.
14.If necessary, turn the Horizontal Position knob to set the delay to exactly 1.0000 ms.
15.Compare the rising edge of the marker with the center horizontal graticule line. The rising edge should cross the 0 V center within
±2.5 divisions (±25 ns) of the center graticule line. Enter the deviation in the test record.
One division of displacement from graticule center corresponds to a 10 ppm time base error.
Note:
TBS2000B Series Oscilloscope Specification and Performance Verification23
Performance verification
Check DC balance
This test checks the DC balance of each channel. You do not need to connect the instrument to any equipment to run this test.
1.Push the front-panel Default Setup button to set the instrument to the factory default settings.
2.Turn the Horizontal Scale knob to 1 ms/div.
3.Push the Trigger Menu front-panel button.
4.Push the Measurement source bezel button for the channel you are testing.
5.Select the AC Line trigger source with Multipurpose knob. You do not need to connect an external signal to the instrument for this DC
Balance test.
6.Push the front-panel Acquire button.
7.Push the Acquire Mode bezel button.
8.Turn Multipurpose knob to select Average and then push Multipurpose knob to turn on Average mode.
When using averaging, allow the instrument to acquire all the samples before taking the measurement.
Note:
9.If needed, adjust the number of averages to 16 with Multipurpose knob.
10.Push the front-panel channel button for the instrument channel to test, as shown in the test record (for example, 1, 2, 3, or 4).
11.Set the channel being tested to 200 mV/div using the Vertical Scale knob.
12.Attach a 50 Ω terminator to the instrument input channel being tested.
13.Push the Coupling bezel button and use the Multipurpose knob to select DC coupling, as given in the test record.
14.Push the front-panel Resources Measure button.
15.Push the bezel channel button for the instrument channel to test, as shown in the test record (for example, CH1, CH2, CH3, or CH4).
16.Use Multipurpose knob to select the Mean measurement.
17.Push the Multipurpose knob to add the Mean measurement, and then push the Menu Off button.
18.View the mean measurement value in the display and enter that mean value as the test result in the test record.
19.Repeat steps 5 through 18 for each remaining channel.
TBS2000B Series Oscilloscope Specification and Performance Verification24
Index
B
bandwidth test 21
R
Required equipment 17
S
sample rate and horizontal position time accuracy test 23
Self test 20
Signal path compensation 20
T
Test record 18
V
Vertical offset accuracy 22
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