softDSP SDS 200 SoftScope Manuale utente
User’s Guide
- SDS 200 -
- SoftScope -
PC Based Digital Oscilloscope
www.softdsp.com
1
Copyright softDSP Co., Ltd. All rights reserved.
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.
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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.
3
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”.
4
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.
5
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
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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
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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
1
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
2
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.
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