Tektronix TDS7104, TDS7054 User manual

Instructions
QuickStart8 DPO Demonstration Board for TDS7104 and TDS7054 Oscilloscopes
071-0715-00
www.tektronix.com
Copyright © T ektronix, Inc. All rights reserved. T ektronix products are covered by U.S. and foreign patents, issued and
pending. Information in this publication supercedes that in all previously published material. Specifications and price change privileges reserved.
T ektronix, Inc., 14200 SW Karl Braun Drive, Beaverton, OR 97077 TEKTRONIX and TEK are registered trademarks of T ektronix, Inc.
WARRANTY
Tektronix warrants that this product will be free from defects in materials and workmanship for a period of three (3) months from the date of shipment. If any such product proves defective during the three-month period, Tektronix, at its option, either will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the defective product.
In order to obtain service under this warranty, Customer must notify Tektronix of the defect before the expiration of the respective warranty period and make suitable arrangements for the performance of service. Tektronix will provide such service at Customer’s site without charge during the warranty period, if the service is performed within the normal on-site service area. Tektronix will provide on-site service outside the normal on-site service area only upon prior agreement and subject to payment of all travel expenses by Customer. When or where on-site service is not available, Customer shall be responsible for packaging and shipping the defective product to the service center designated by Tektronix, with shipping charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located. Customer shall be responsible for paying all shipping charges, duties, taxes, and any other charges for products returned to any other locations.
This warranty shall not apply to any defect, failure or damage caused by improper use or improper or inadequate maintenance and care. Tektronix shall not be obligated to furnish service under this warranty a) to repair damage resulting from attempts by personnel other than Tektronix representatives to install, repair or service the product; b) to repair damage resulting from improper use or connection to incompatible equipment; c) to repair any damage or malfunction caused by the use of non-Tektronix supplies; or d) to service a product that has been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product.
THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THE LISTED PRODUCTS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. TEKTRONIX’ RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY. TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.

Table of Contents

General Safety Summary v. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preface vii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contacting T ektronix viii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Getting Started

Required Materials 1–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Prerequisites 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setting Up Your QuickStart8 Board 1–2. . . . . . . . . . . . . . . . . . . . .
Configuring Your QuickStart8 Board 1–3. . . . . . . . . . . . . . . . . . . .
Applying and Removing Power 1–4. . . . . . . . . . . . . . . . . . . . . . . . .
Overview of Signals 1–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating Basics

Using the QuickStart8 board 2–1. . . . . . . . . . . . . . . . . . . . . . . . .
T est Points 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Detailed Signal Descriptions 2–5. . . . . . . . . . . . . . . . . . . . . . . . . . .
Switching Power Supply Signals: V SWITCH,
I SWITCH 2–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Quadrature Amplitude Modulation Baseband Signals 2–6. . . .
A 250 mV Fast Rise Signal (Tr < 200 ps) 2–8. . . . . . . . . . . . . .
Dual Random Anomalies Signals 2–9. . . . . . . . . . . . . . . . . . . .
RESET ANOM 2–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Phase Locked VCO Output Signals 2–11. . . . . . . . . . . . . . . . . . .
RF Modulation 2–13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pseudo Random Anomalies Signals 2–14. . . . . . . . . . . . . . . . . .
Universal Serial Bus 2–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Simulated Ground Bounce Signal 2–16. . . . . . . . . . . . . . . . . . . .
Appendix A: Diagrams Appendix B: Instrument Care Index
QuickStart8 DPO Demonstration Board
i
Table of Contents

Figures

Figure 1–1: Connecting the QuickStart8 board 1–5. . . . . . . . . .
Figure 2–1: Signal locations on the QuickStart8 board 2–4. . . .
Figure 2–2: V switch, I switch 2–5. . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–3: QAM I, QAM Q, and QAM CLK signals 2–6. . . . .
Figure 2–4: XY display 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–5: Y-T FastAcq display 2–7. . . . . . . . . . . . . . . . . . . . . .
Figure 2–6: XYZ FastAcq display 2–7. . . . . . . . . . . . . . . . . . . . .
Figure 2–7: Fast Rise Signal 2–8. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–8: Random Anomaly with cheat signal 2–9. . . . . . . . .
Figure 2–9: Dual Channel Random Anomalies 2–9. . . . . . . . . .
Figure 2–10: Low resolution display 2–11. . . . . . . . . . . . . . . . . . .
Figure 2–11: High resolution display 2–11. . . . . . . . . . . . . . . . . . .
Figure 2–12: Modulated RF display 2–13. . . . . . . . . . . . . . . . . . .
Figure 2–13: Pseudo-Random digital signals 2–14. . . . . . . . . . . .
Figure 2–14: USB signals 2–15. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–15: Simulated Ground Bounce signal 2–16. . . . . . . . . .
ii
QuickStart8 DPO Demonstration Board

Tables

T able of Contents
Table 1–1: VCO MODE SELECT (S2810) 1–3. . . . . . . . . . . . . .
Table 2–1: Oscilloscope signals 2–1. . . . . . . . . . . . . . . . . . . . . . .
Table 2–2: USB Data and switch functions 2–3. . . . . . . . . . . . .
QuickStart8 DPO Demonstration Board
iii
T able of Contents
iv
QuickStart8 DPO Demonstration Board

General Safety Summary

Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. T o avoid potential hazards, use this product only as specified.
Only qualified personnel should perform service procedures.
While using this product, you may need to access other parts of the system. Read the General Safety Summary in other system manuals for warnings and cautions related to operating the system.

To Avoid Fire or Personal Injury

Ground the Product. This product is indirectly grounded through the
grounding conductor of the mainframe power cord. T o avoid electric shock, the grounding conductor must be connected to earth ground. Before making connections to the input or output terminals of the product, ensure that the product is properly grounded.
Observe All Terminal Ratings. To avoid fire or shock hazard, observe all
ratings and markings on the product. Consult the product manual for further ratings information before making connections to the product.
Avoid Exposed Circuitry. Do not touch exposed connections and
components when power is present.
Do Not Operate With Suspected Failures. If you suspect there is damage
to this product, have it inspected by qualified service personnel.
Do Not Operate in an Explosive Atmosphere.
Do Not Operate in Wet/Damp Conditions. Keep Product Surfaces Clean and Dry.
QuickStart8 DPO Demonstration Board
v
General Safety Summary

Safety Terms and Symbols

Terms in This Manual. These terms may appear in this manual:
CAUTION. Caution statements identify conditions or practices that could result in damage to this product or other property.
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. These symbols may appear on the product:
CAUTION
Refer to Manual
vi
Protective Ground
(Earth) Terminal
QuickStart8 DPO Demonstration Board

Preface

This instruction manual contains specific information about the QuickStart8 board for use with the TDS7104 and TDS7054 Oscilloscopes.
H Getting Started covers how to set up and configure the Quick-
H Basic Operations provides a quick reference testpoint table and a
H The Appendix includes circuit diagrams for reference only , and
Start8 board and an overview of the output signals; plus any required materials you may need to use the board.
detailed description of the output signals.
instructions on how to maintain and ship the QuickStart8 board.
QuickStart8 DPO Demonstration Board
vii
Preface

Contacting Tektronix

Phone 1-800-833-9200*
Address Tektronix, Inc.
Department or name (if known) 14200 SW Karl Braun Drive P.O. Box 500 Beaverton, OR 97077 USA
Web site www.tektronix.com
Sales support
Service support
Technical support
* This phone number is toll free in North America. After office
hours, please leave a voice mail message. Outside North America, contact a Tektronix sales office or distributor; see the Tektronix web site for a list of offices.
1-800-833-9200, select option 1*
1-800-833-9200, select option 2*
Email: support@tektronix.com 1-800-833-9200, select option 3*
1-503-627-2400 6:00 a.m. – 5:00 p.m. Pacific time
viii
QuickStart8 DPO Demonstration Board
Getting Started

Getting Started

The QuickStart8 board produces signals specifically designed to demonstrate the timing and voltage measurement capabilities of T ektronix test and measurement oscilloscopes.
The board is especially useful for demonstration and training purposes, since its uses output signals that incorporate imperfections found in a testing environment.
This section includes the following information:
H Required materials H Instructions for setting up and configuring the board H Overview of the output signals

Required Materials

The QuickStart8 board comes with the following standard accessory: H Instruction manual You will need to supply the following items:
H A Tektronix general-purpose oscilloscope H Choose one: P6139A 10X Passive probe, TCP 202 Current probe,
or Differential probe (P6246 or P6247)
H 50 BNC cable with a BNC/SMA adapter
QuickStart8 DPO Demonstration Board
1–1
Getting Started

Prerequisites

The examples in this manual are based on the following prerequisites and assumptions:
H You are familiar with the basics of taking timing and voltage
measurements
H That the oscilloscope and any accessories are properly set up (for
example, it is assumed that any oscilloscope probe that you intend to use is properly calibrated)

Setting Up Your QuickStart8 Board

CAUTION. Static discharge can damage the board. To prevent static damage, handle components only in a static-free environment.
Always wear a grounding wrist strap, heel strap, or similar device while handling the board.
1. T o discharge any static electricity, touch the ground connector
located on the board. Then, before you remove the board from the protective bag, touch the bag to discharge stored static electricity.
1–2
2. Remove the QuickStart8 board from the bag and place the board
parts-side up on any flat surface.
3. Turn the board so that the rubber feet are placed on the work
surface.
4. Set the power switch, S2780, to off (see Figure 2–1 on page 2–4).
QuickStart8 DPO Demonstration Board

Configuring Your QuickStart8 Board

Configure the QuickStart8 board using the VCO Mode Select switch, S2810. See Figure 2–1 on page 2–4 for the switch location. The configuration you choose will determine the appearance of the output signals at test pins J2410, J2520 and J1.
VCO MODE SELECT. Switch S2810 consists of four DIP switches,
labeled 1 through 4. DIP switches 1 and 2 are not used. DIP switches 3 and 4 of S2810 allow selection of several modes of operation. T able 1–1 lists the VCO switch configurations and outputs.
Table 1–1: VCO MODE SELECT (S2810)
VCO Mode Switch 1 2 3 4 X X C C Output varies between FL and FH every 800 ms X X C O Output varies between FL and FH every 3 seconds X X O C X X O O F
*
FL is approximately 68 MHz, and FH is approximately 85 MHz.
PLL VCO OUTPUT
*
F
L H
*
Getting Started
QuickStart8 DPO Demonstration Board
1–3
Getting Started

Applying and Removing Power

Power Source. The QuickStart8 board can be powered directly from
the TDS 7000 Series oscilloscope using the USB (Universal Serial Bus) port or from an optional transformer.
CAUTION. Connecting the QuickStart8 board incorrectly can damage your keyboard (see Figure 1–1)
To power on the board using the USB port:
1. Connect the USB cable into the USB IN port on the board (see
Figure 1–1 and 2–1).
2. Plug the USB cable into the USB connector on back of the
TDS 7000 Series instrument.
3. Plug the keyboard cable into the USB OUT port on the board (see
Figure 1–1 and 2–1).
To power on the board using an optional wall transformer:
1–4
CAUTION. To prevent damage to the oscilloscope when using a wall transformer, do not use the USB connector to attach between the QuickStart8 board and oscilloscope.
1. Connect the power cord to the power jack on the board (see
Figure 2–1).
2. Plug the wall transformer into a wall socket.
NOTE. Use a wall transformer that is 9 volts or between 6 – 12 volts at 5 watts. The outside diameter of the power-jack connector is
5.5 mm.
To remove power follow these steps:
1. Set the power switch (see Figure 21) to off.
2. Disconnect the power cord or the USB IN cable.
QuickStart8 DPO Demonstration Board
TDS7000
USB IN
port
Getting Started
YES
USB OUT port
QuickStart8
Keyboard
TDS7000
Keyboard
Figure 1–1: Connecting the QuickStart8 board
Mouse
NO
QuickStart8
Mouse
QuickStart8 DPO Demonstration Board
1–5
Getting Started

Overview of Signals

The following is an overview of the signals you can use on the QuickStart8 board to demonstrate a variety of timing and voltage measurements.

Signals

The following signals are available on the QuickStart8 board: H Switching Power Supply Signals (J2880); switched voltage and
current (see page 2–5)
H Quadrature amplitude modulated baseband signals (see page 26) H Fast rise voltage step, J600 (see page 28) H Dual random anomalies signals (see page 29) H Voltage controlled oscillator outputs (see page 2–11) H Phase locked loop control signal, J2410 (see page 211) H QAM modulated RF outputs, J1 (see page 213) H Pseudo-random digital signals with clock, J13 (see page 214) H Universal serial bus (USB) signal outputs, J2 (see page 215)
1–6
H Simulated ground bounce signal, J14 (see page 2–16)
QuickStart8 DPO Demonstration Board
Operating Basics
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