SoftDSP SDS 200 SoftScope User manual

User’s Guide

- SDS 200 -

- SoftScope -

PC Based Digital Oscilloscope

www.softdsp.com

This document is being furnished by softDSP Co., Ltd. for information purposes only to licensed

users of the SDS 200 and is furnished on as “AS IS” basis, that is, without any warranties,

whatsoever, expressed or implied.

SDS 200 and SoftScope are trademarks of softDSP Co., Ltd.

Other brand and product names are trademarks or registered trademarks of the respective

holders. Microsoft is a registered trademark and Windows, the Windows logo are registered

trademarks of the Microsoft Corporation.

Information in this document is subject to change without notice and does not represent a

commitment on the part of softDSP Co., Ltd.

FCC NOTICE

THIS DEVIDE COMPLIES WITH PART 15 OF THE FCC RULES.

OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITION:

(1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND

(2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED,

INCLUDING INTERFERENCE THAT MAY CAUSE UNDERSIRED

OPERATION.

This equipment has been tested and found to comply with the limits for a Class

B digital device, pursuant to part 15 of the FCC Rules. These limits are

designed to provide reasonable protection against harmful interference in a

residential installation. This equipment generates, uses and can radiate radio

frequency energy and, if not installed and used in accordance with the

instructions, may cause harmful interference to radio communication. However,

there is no guarantee that interference will not occur in a particular installation. If

this equipment does cause harmful interference to radio or television reception,

which can be determined by turning the equipment off and on, the user is

encouraged to try to correct the interference by one or more of the following

measures:

- Reorient or relocate the receiving antenna.

- Increase the separation between the equipment and receiver.

- Connect the equipment into an outlet on a circuit difference from that to which

the receiver is connected.

- Consult the dealer of an experienced radio/TV technician for help.

NOTE: The manufacturer is not responsible for any radio or TV interference

cause by unauthorized modifications to this equipment. Such modifications

could void the user’s authority to operate the equipment.

WARRANTY

This softDSP instrument product is warranted to be free from defects in material and

workmanship for a period of one year from the date of shipment. During the warranty period,

softDSP Co., Ltd. will at its option, either will repair or replace the defective product.

But, the foregoing warranty shall not apply to defects resulting from improper or inadequate

maintenance by the buyer, Buyer-supplied software or interfacing, unauthorized modification or

misuse, operation outside of the environmental specifications for the product, or improper site

preparation or maintenance.

Product Name PC Based Digital Oscilloscope

Model Name SDS 200

Warranty Period one year from the date of purchase

At the time of purchase

ASSISTANCE

Product maintenance agreements and other customer assistance agreements are available for

softDSP.

For any assistance, contact your nearest softDSP Sales and Service office. Addresses are

provided in this manual.

Our homepage address is “http://www.softdsp.com”.

SAFETY SUMMARY

Do not install substitute parts or perform any unauthorized modification to the product. Return

the product to a softDSP Sales and Service Office for service and repair to ensure that safety

features are maintained.

Observe Maximum Working Voltage

Do not use this product on bare wires above 42Vpk, AC 30Vrms and DC 60V.

Product Damage Precautions

Do not open the cover and attempt any repairs. An electric shock or accident may be caused by

opening the cover or improper handling. If you suspect there is damage to this product, you

must have it inspected by qualified service personnel.

Do not drop the product. This product contains fragile components that can be damaged by high

impact. Take care to prevent the product from dropping on the floor or other hard surfaces.

To avoid electric shock, do not operate this product in wet or damp conditions.

Do not operate near flammable materials.

Minimum System Requirements

To install and run SoftScope, you should have the following;

Operating System

Windows 98/ME/2000

CPU/Mainboard

Pentium 200MHz , USB equipped mainboard

Memory

32MByte

HDD

20MByte

Graphic Card

Microsoft DirectX supported

Screen resolution: 800x600

Color depth: 16bit

Table of Contents

Ch 1. Introduction.............................................................................................1

1. What is SDS 200/SoftScope ?...............................................................1

SDS 200 ...........................................................................................1

SoftScope.........................................................................................2

2. Hardware Specification..........................................................................3

3. SoftScope Installation............................................................................5

4. SDS200 Setup.......................................................................................8

5. Setup sds200.inf Manually.....................................................................9

6. Warning! ..............................................................................................11

7. Calibration............................................................................................13

Ch 2. How to use SDS 200/SoftScope...........................................................14

1. Simple Measurement...........................................................................14

2. Basic Operations .................................................................................16

Change Vertical Scale(Volt/Div)......................................................16

Change Horizontal Scale(Time/Div)................................................17

Measurement Using Cursor............................................................19

Measurement by Icon .....................................................................20

Change Trigger Level & Trigger Point.............................................22

Single Shot/Stop Mode...................................................................23

Put Label on The Screen................................................................23

Print/Save Waveform......................................................................24

Ch 3. Advanced Technique............................................................................26

1. Advanced Trigger.................................................................................26

Edge Trigger...................................................................................26

Logic Trigger...................................................................................27

Pulse Trigger...................................................................................27

Delay Trigger ..................................................................................27

2. FFT......................................................................................................28

3. Math.....................................................................................................29

Ch 4. Toolbars, Menus, Dialog boxes & Screen Information......................30

1. Toolbar.................................................................................................30

2. Menu....................................................................................................31

File..................................................................................................31

View................................................................................................31

Channel ..........................................................................................32

Display............................................................................................32

Math/FFT........................................................................................33

Run/Stop.........................................................................................33

Trigger ............................................................................................33

Measure..........................................................................................33

Util ..................................................................................................34

Help................................................................................................34

3. Screen Information ..............................................................................35

4. Option Dialog Box................................................................................37

Ch 5. Appendix ...............................................................................................38

1. Three Operational Modes of SDS 200.................................................38

Realtime mode................................................................................38

RIS(Random Interleaved Sampling) mode.....................................38

Roll mode........................................................................................38

2. Software Calibration ............................................................................38

3. Firmware Update.................................................................................40

Chapter 1. Introduction

Ch 1. Introduction

1. What is SDS 200/SoftScope ?

SDS 200

SDS 200 developed by softDSP Co., Ltd. is a portable PC-based Digital Oscilloscope.

High performance

SDS 200 has the following features: 200MHz analog bandwidth, 5GS/s equivalent sampling,

100MHz real-time sampling.

USB connected

SDS 200 uses USB that supports plug’n play, with 12Mbps communication speed.

Advanced trigger

SDS 200 has advanced trigger circuitry so that it can detect many complex signals.

Best performance for your dollar

SDS 200 has many features that is comparable to the high speed stand-alone DSOs. But it

costs a fraction of the price.

No external power required

SDS 200 does not need an external power source, because it is bus-powered from USB.

Chapter 1. Introduction

SoftScope

SoftScope is a Windows software that controls SDS 200.

Easy to use

SoftScope is easy to use. It is intuitive and easy to understand.

Big screen

SoftScope uses 500 x 400 screen size.

Various data format processing

SoftScope can save waveform in the following formats: text file, jpg/bmp graphic file, MS

excel/word file.

Fast screen update rate

SoftScope uses Microsoft DirectX, so that it gives upto screens per second update rate. (under

Windows98, Pentium II environment)

Many kinds of measurements

SoftScope has 23 measurement functions.

The analog scope effect

SoftScope uses digital persistence and histogram method so that the display resembles an

analog oscilloscope screen.

Table of contents

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