Tektronix TBS1000B Series Manual de usuario

TBS1000B and TBS1000B-EDU Series

Digital Storage Oscilloscopes

ZZZ

User Manual

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Getting Started

TBS1000B and TBS1000B-EDU Series Digital Storage Oscilloscopes are small,

lightweight, benchtop instruments, which you can use to take ground-referenced

measurements.

This chapter describes how to do the following tasks:

Install your product

Perform a brief functional check

Perform a probe check and compensate probes

Match your probe attenuation factor

Use the self calibration routine

NOTE. You can select a language to display on the screen after you power on

the oscilloscope. At any time, you can access the Utility ►Language option to

select a language.

General Features

Model Channels Bandwidth Sample rate Display

TBS1052B-EDU 250MHz

1 GS/s Color

TBS1052B 250MHz

1 GS/s Color

TBS1072B-EDU 270MHz

1 GS/s Color

TBS1072B 270MHz

1 GS/s Color

TBS1102B-EDU 2 100 MHz 2 GS/s Color

TBS1102B 2 100 MHz 2 GS/s Color

TBS1152B-EDU 2 150 MHz 2 GS/s Color

TBS1152B 2 150 MHz 2 GS/s Color

TBS1202B-EDU 2 200 MHz 2 GS/s Color

TBS1202B 2 200 MHz 2 GS/s Color

Context-sensitive help system

7-inch color LCD display

Educational courseware integrated in the instrument (EDU models only)

Limit tests, data logging, and trend plots (non-EDU models only)

Dual-channel independent counters

Selectable 20 MHz bandwidth limit

2,500 point record length for each channel

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Getting Started

Autoset

Autoranging

Setup and waveform storage

USB Flash Drive port for ﬁle storage

PC communications through the USB Device port with OpenChoice PC

Communications software

Connect to a GPIB controller through an optional TEK-USB-488 adapter

Cursors with readouts

Trigger frequency readout

34 automatic measurements — and measurement gating

Waveform averaging and peak detection

Math functions: +, -, and × operations

Fast Fourier Transform (FFT)

Pulse Width trigger capability

Video trigger capability with line-selectable triggering

External trigger

Variable persistence display

User interface and help topics in 11 languages

Zoom feature

Installation

Power Cord Use only the power cord provided with your oscilloscope. Appendix C:

Accessories lists the standard and the optional accessories.

Power Source Use a power source that delivers 90 to 264 VACRMS,45to66Hz.Ifyouhavea

400 Hz power source, it must deliver 90 to 132 VACRMS, 360 to 440 Hz.

The product's maximum power consumption is 30 W.

Security Loop Use a standard laptop computer security lock, or thread a security cable through

the built-in cable channel to secure your oscilloscope to your location.

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Getting Started

Functional Check

Perform this functional check to verify that your oscilloscope is operating

correctly.

ON/OFF button

1. Power on the oscilloscope.

Push the Default Setup button.

The default Probe option attenuation setting is

10X.

Default Setup button

PROBE COMP

2. Connect the TPP0051, TPP0101, or TP0201

probe to channel 1 on the oscilloscope. To do this,

align the slot in the probe connector with the key

on the channel 1 BNC, push to connect, and twist

to the right to lock the probe in place.

Connect the probe tip and reference lead to the

PROBE COMP terminals.

3. Push the Autoset button. Within a few seconds,

you should see a square wave in the display of

about 5 V peak-to-peak at 1 kHz.

Push the channel 1menu button on the front panel

twice to remove channel 1, push the channel

2menu button to display channel 2, and repeat

steps 2 and 3.

Calibration: PASSED 4. Check that the instruction passed the calibration

tests. Push Utility ►- more - page 1 of 2 (push

more again on EDU models) ►System Status

►Misc.. Look for Calibration PASSED

Security cable channel Security lock hole Power cord

Ventilation NOTE. The oscilloscope cools by convection. Keep two inches clear on the sides

and top of the product to allow adequate air ﬂow.

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Getting Started

Probe Safety

Check and observe probe ratings before using probes.

A guard around the TPP0051, TPP0101, or TPP0201 probe body provides a ﬁnger

barrier for protection from electric shock.

Finger guard

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 oscilloscope, and connect the ground terminal to ground

before you take any measurements.

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Getting Started

Manual Probe Compensation

You can manually perform this adjustment to match your probe to the input

channel.

PROBE COMP Autoset

button

1. Push the 1►Probe ►Voltage ►Attenuation

option and select 10X. Connect the appropriate

TPP0051, TPP0101, or TPP0201 probe to

channel 1 on the oscilloscope. If you use the

probe hook-tip, ensure a proper connection by

ﬁrmly inserting the tip onto the probe.

2. Attach the probe tip to the PROBE COMP

~5V@1kHz terminal and the reference lead to

the PROBE COMP chassis terminal. Display the

channel, and then push the Autoset button.

Overcompensated

Undercompensated

Compensated correctly

3. Check the shape of the displayed waveform.

4. If necessary, adjust your probe.

Repeat as necessary.

Probe Attenuation Setting

Probes are available with various attenuation factors which affect the vertical

scale of the signal.

Select the factor that matches the attenuation of your probe. For example, to

match a probe set to 10X connected to CH 1, push the 1►Probe ►Volt age ►

Attenuation option, and select 10X.

NOTE. The default setting for the Attenuation option is 10X.

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Getting Started

If you change the Attenuation switch on a P2220 probe, you also need to change

the oscilloscope Attenuation option to match. Switch settings are 1X and 10X.

Attenuation switch

NOTE. When the Attenuation switch is set to 1X, the P2220 probe limits the

bandwidth of the oscilloscope to 6 MHz. To use the full bandwidth of the

oscilloscope, be sure to set the switch to 10X.

Current Probe Scaling

Current probes provide a voltage signal proportional to the current. You need to

set the oscilloscope to match the scale of your current probe. The default scale is

10 A/V.

For example, to set the scale for a current probe connected to channel 1, push the

1►Probe►Current ►Scale option, and select an appropriate value.

Self Calibration

The self calibration routine lets you optimize the oscilloscope signal path for

maximum measurement accuracy. You can run the routine at any time but you

should always run the routine if the ambient temperature changes by 5 °C (9 °F)

or more. The routine takes about two minutes.

For accurate calibration, power on the oscilloscope and wait twenty minutes to

ensure it is warmed up.

To compensate the signal path, disconnect any probes or cables from the input

connectors. Then, access the Utility ►Do Self Cal option, and follow the

directions on the screen.

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Getting Started

Firmware Updates Through the Internet

Update your TBS1000B’s ﬁrmware to take advantage of new features and bug

ﬁxes. You can use the Internet and a USB ﬂash drive to update your oscilloscope.

If you do not have access to the Internet, contact Tektronix for information on

update procedures.

Check the version of your

current ﬁrmware

1. Power on the oscilloscope.

2. For the TBDS1000B: Push Utility ►- more - page 1 of 2 ►System Status

►Misc..

For the TBDS1000B-EDU: Push Utility ►- more - page 1 of 3 ►-more-

page 2 of 3 ►System Status ►Misc..

3. The oscilloscope displays the ﬁrmware version number.

Check the version of the

latest available ﬁrmware

1. Open up a Webbrowserandgotowww.tektronix.com/software.

2. Enter “TBS1000B” in the search box.

3. Scan the list of available software for the latest TBS1000B ﬁrmware. Check

the version number.

If the latest available

ﬁrmware Is newer than that

on your TBS1000B, update

your product’s ﬁrmware

1. Download the latest ﬁrmware from www.tektronix.com/software to your PC.

Unzip the ﬁles, if needed, and copy the designated ﬁrmware ﬁle into the root

folder of a USB ﬂash drive.

2. Insert the USB ﬂash drive into the front-panel USB port on your oscilloscope.

3. Push Utility ►-more-page1of2►File Utilities ►-more-page1of2

►Update Firmware ►Update Firmware

It takes several minutes to update the ﬁrmware. Your oscilloscope will prompt

you when the update is complete. Do not remove the USB ﬂash drive or power

off the oscilloscope until the ﬁrmware update is complete.

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Operating Basics

The front panel is divided into easy-to-use functional areas. This chapter provides

you with a quick overview of the controls and the information displayed on the

screen.

Display Area

In addition to displaying waveforms, the display provides details about the

waveform and the oscilloscope control settings.

NOTE. For details on displaying the FFT function, (See page 53, Displaying

the FFT Spectrum.)

The items shown below may appear in the display. Not all of these items are

visible at any given time. Some readouts move outside the graticule area when

menus are turned off.

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Operating Basics

1. The acquisition readout shows when an acquisition is running or stopped.

Icons are:

Run: Acquisition enabled

Stop: Acquisitions not enabled.

2. The trigger position icon shows the trigger position in the acquisition. Turn

the Horizontal Position knob to adjust the position of the marker.

3. The trigger status readout shows:

Armed: The oscilloscope is acquiring pretrigger data. All triggers are ignored

in this state.

Ready: All pretrigger data has been acquired and the oscilloscope is ready to

accept a trigger.

Trig’d: The oscilloscope has seen a trigger and is acquiring the posttrigger

data.

Stop: The oscilloscope has stopped acquiring waveform data.

Acq. Complete: The oscilloscope has completed a Single Sequence

acquisition.

Auto: The oscilloscope is in auto mode and is acquiring waveforms in the

absence of trigger.

Scan: The oscilloscope is acquiring and displaying waveform data

continuously in scan mode.

4. The center graticule readout shows the time at the center graticule. The

trigger time is zero.

5. The trigger level icon shows the Edge or Pulse Width trigger level on the

waveform. The icon color corresponds to the trigger source color.

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