250MSa/s Real-Time and 25GSa/s Equivalent-Time Sampling
4k Memory Length per Channel
Peak Detect as Fast as 10ns
Save/Recall of 15 Front Panel Settings & Waveforms
5.7" TFT Color Display
19 Auto Measurements
Arithmetic Operators - Add, Subtract, FFT
USB Port for PC Connection
Limited Lifetime Warranty
The GDS-1000-U Series offers 100MHz, 70MHz and 50MHz digital storage oscilloscopes with 5.7" color TFT LCD displays. With dual sampling modes, a 4,000 point record length, a real-time sampling rate of 250MSa/s and an ET sampling rate of 25GSa/s, the GDS-1000-U Series DSO provides an excellent balance of performance between memory length and sampling speed. Other major features include user-friendly menu tree operations, compact size, ergonomic design, USB host for PC connectivity and USB device port support. The GDS-1000-U Series is designed to meet today's most demanding engineering requirements and budgets.
USB INTERFACE &Data Logger
USB Host port on the front sigificantly ebhance the data storage capability of the product.The large amount of data ,including screenshot ,waveform and panel setup ,could be easily stored into a popular flash disk.A USB device port on the rear of the product transfers the screen image and waveform raw data to PC and also allows PC to remote control GDS-1000-U series.
Furthermore ,data logger can continue monitoring input signals and storing their waveform data in USB flash disk when trigge conditions are met ,saving users' efforts to trackingsignals manually and allowing them to analyze and observe waveform data afterwards.
WAVEFORM SAVING AND AUTOMATIC MEASUREMENT
A total of 15 waveforms can be saved into memory to be displayed at a later time. Two saved reference waveforms and two live waveforms can be compared on the screen at the same time. All signal time and voltage related measurements can be shown on the screen simultaneously in real-time via the Measure key press.
SOPHISTICATED MEASUREMENT FUNCTIONS
Several acquisition modes and 19 auto measurement functions help you to accurately measure the characteristics of waveforms. The advanced auto-set function lets the GDS-1000-U Series automatically catch and display waveforms quickly. The arithmetic functions and FFT functions keep you aware of updated measurement results in real time. With little effort, the GDS-1000-U Series can provide the right information of testing.
ENHANCED CAL SIGNAL OUTPUT
The GDS-1000-U Series has an enhanced 1kHz calibration signal. Its output frequency is adjustable from 1 kHz to 100 kHz and has an adjustable duty cycle of 5%~95%. Due to the flexible output, the calibration output can also be used as a basic signal generator for other applications.
Go/NoGo testing function check whether the incoming signal violates the user-defined template.Users can easily define this template by setting the tolerance ratio to determine violation conditions.Go/NoGo testing can either keep counting violation number or stop testing when violation conditions are met.
AUTOSET DISABLE FUNCTION
For educational purposes, instructors might not want to use the Autoset function on the DSO when they are teaching how to use oscilloscopes. On the GDS-1000-U Series, the Autoset function can be disabled, allowing students to manually operate the oscilloscope functions to further enrich their learning experience.
FREEWAVE PC SOFTWARE
Freewave DSO remote control and monitoring software is fully supported for the GDS-1000-U series DSOs and is available free of charge from the GW Instek website. Freewave lets you remotely monitor the DSO, capture waveform data or even capture screenshots. Via a USB connection, Freewave is able to provide near-realtime monitoring and control. Flexible saving options allow you to capture data for later analysis and observation. Screen images can be captured to bitmap or jpeg formats. Waveform data can be saved to CSV for spreadsheet manipulation or computer analysis. Waveforms can also be saved as AVI movies to observe signal variation over time.
By providing the Global Lifetime Warranty Program for the GDS-1000-U digital storage oscilloscope series, we believe you can have the same confidence as we do in the quality of each GDS-1000-U DSO. By purchasing a GDS-1000-U, you can be assured of a highly economical, low maintenance, quality DSO backed with the protection of the LifeTime Warranty program. The Lifetime Warranty Program guarantees customers will be supported regardless of their location. Customers will receive at least 5 years of full support even after production has ceased. For more details and applicable conditions regarding the LifeTime Service program, please visit the GW Instek website www.gwinstek.com/llw or consult your nearest distributor.
5.7" TFT LCD Color
Number of Channel
250MSa/s (RTS) 25GSa/s (ETS)
2mV/div ~ 10V/div
Time Base Range
1ns/div ~ 50s/div
Input Impedance Selection
Panel Setup Memory
Battery Power Operation
AC 100V ~ 240V
More product information please see the download page.
User manual x 1, Power Cord x 1
Probe-GTP-070A-4 : 70MHz ( 10 : 1/1 :1 ) Switchable Passive Probe for GDS-1052-U (one per channel) Probe-GTP-070A-4 : 70MHz ( 10 : 1/1 :1 ) Switchable Passive Probe for GDS-1072-U (one per channel) Probe-GTP-100A-4 : 100MHz ( 10 : 1/1 :1 ) Switchable Passive Probe for GDS-1102-U (one per channel)
Optional Accessories GSC-006 Soft carrying case GTL-110 Test lead, BNC-BNC heads GTL-246 USB 2.0 A-B type cable
50MHz, 2-Channel, Digital Storage Oscilloscope
70MHz, 2-Channel, Digital Storage Oscilloscope
100MHz, 2-Channel, Digital Storage Oscilloscope
The USB Driver of GDS-300/200, GDS-3000/2000A/1000A-U/1000-U/2000E series
LabVIEW driver (8.6 version)for GDS-1000-U series
Freewave software for Windows 8 and Windows 7
Freewave V3.21 compatible with Win XP, Vista and Win7
Manuals & Guides
Firmware Upgrade Guide
The firmware update guide of GDS-1000A-U / GDS-1000-U.
The user manual of GDS-1000-U series.
Quick Start Guide
The Quick Start Guide of GDS-1000-U series.
GDS-1000-U Series User manual
Quick Start Guide
Quick start guide for GDS-1000-U seies
Programming manual for GDS-1000-U
Freewave user manual
Brochure & Datasheet
The datasheet of GDS-1000-U series.
GDS-1000-U Series Brochure
How it is defined between Real-Time and Equivalent-Time?
The frequency bandwidth of digital oscilloscope differs with sampling method. There are two type of sampling methods: Real-Time Sampling (RTS) and Equivalent-Time Sampling (ETS). The sampling method which the oscilloscope obtains as many samples as possible from one triggered acquisition is called the Real-Time Sampling method. The real-time sampling method is targeted at observing single-shot waveforms, which appear only once. A waveform is sampled at a constant rate, and the results are stored in memory & displayed on the LCD screen. The equivalent time sampling method is used for observing repetitive waveforms. This method stores a repetitive signal ample-by-sample in memory based on different trigger points and displays the signal after reconstructing the original waveform. This method achieves results equivalent to waveforms digitalized at a higher frequency than the maximum sampling frequency using the real-time sampling method, thus achieving a larger frequency bandwidth which is limited by the analog circuit.
What will the requirement of computer configuration to run Freewave?
Freewave software is available to operate on XP ,Vista ,Windows 7 and Windows 8’s PC.
For XP ,Vista and Windows 7’s PC ,please install Freewave V3.21 ;
For Windows 7 or Window8’s PC ,please install Freewave V3.22 or later.
Required software for Freeewave V3.21
• Microsoft. Net Framework full version 4.0 or later.
• Microsoft Visual C++ 2010 Redistributable Package(x86)
Required software for Freeewave V3.22
• Microsoft. Net Framework full version 4.5 or later (for Windows 7 only)
• Microsoft Visual C++ 2010 Redistributable Package(x86)
(Note The NET 4.5 is built-in in the Windows 8, so user doesn’t need to install again.)
What is main feature of Freewave?
Users can remotely observe signals; retrieve waveform data and direct tests via Freeware. Image file (.gif/.png/.bmp/.jpg/.tif) or waveform information (.csv) can be selected for log format. In the meantime, long memory information retrieving for GDS-1000A-U and GDS-2000A can also be achieved by using the software.
Are the two channels also isolated between each channel on GW Instek Digital Storage Oscilloscope?
All of the DSO ,including GDS-1000-U/ 2000A and 3000 Series are common ground design for each channel, not isolated between each channel.
How to check the GDS-1000-U series system information or firmware version?
See UTILITY --> F5 (More) --> F2 (System Info)
We are interested in your digital scopes and would like to know, how the roll mode looks like. Is it like the most recent measured value is shown on one end of the screen, pushing the "history" to the other end? or is the measured value slowly moving across the whole screen, overwriting the "history"?
On an oscilloscope, roll mode is a method of displaying acquired waveform data without waiting for the complete waveform record. For example, if a sweep was 10 divisions long with a rate of one second per division, and roll mode wasn’t available, it would take 10 seconds to fill the waveform record. But using roll mode, the oscilloscope will immediately begin displaying results rather than waiting the full 10 seconds.
When operator enables the "roll mode", the waveform continuously moves data across the display from right to left and old data will be replace by new input data. It allows you to see dynamic changes on low frequency.
I am having good success with talking to the GDS-1000-U DSO under linux I have a question. What is the maximum speed the USB port can go up to ?
GDS-1000-U series support USB slave interface and compatible with 1.1 & 2.0 versions. The maximum speed only reaches up to 12Mb/s (USB 1.1 Full-speed/ USB 2.0 Full-speed).
I am looking for a service manual/calibration procedure for this oscilloscope. My scope is showing a slight difference in frequency and voltage when tested against a very accurate and stable frequency/voltage source. Hope you can help.
All the GDS series scope provide “self-calibration” function for customer self-checking and adjustment firstly. Before doing this, we suggest the environment must under following situation for the stability.
1,The calibration should be performed under room temperature 26 ± 5 ºC, and humidity should be less than RH 80%.
2,The instrument should be power on for at least 30 minute warm before performing calibration.
Furthermore, if the accuracy is still out of spec after “self-calibation”, Please call GW’s local sale-representative or channel for further help.
I have an OSCILLOSCOPE model GDS-1052-U. but it has some problems I used two channels with a probe used to measure a voltage, CH2 is 1.86v but CH1 is 1.78v (both 2-channel 500mv/div, I use the cursor to read the measured value)
Basically different voltage scale will cause different measurement tolerance. For GDS-1000-U series scope, the accuracy is based on following formula and you can find it on GW specification. Vertical accuracy= ±(3% x |Readout|+0.1div+1mV) . Following is an example to explain the different scale for difference measurement accuracy.
Case 1: Input signal: 1.8V , Vertical scale: 500mV/div
Case 2: Input signal: 1.8V , Vertical scale:50mV/div
Vertical accuracy = ±(0.03 x 1.8V +5mV +1mV) = ±0.06V
Can I connect a converter from USB to LAN in real panel of GDS-1000A-U / GDS-1000-U series oscilloscope for remote control?
No, the USB port in the GDS-1000A-U and GDS-1000-U is a device port and can’t support such configuration.
Every time I change the time scale > 100 ms/div on my GDS-1052-U. I found I can’t see the whole waveform? Why?
When the sweep speed is too slow, the oscilloscope will enter to “Roll Mode” and you should see the horizontal line (waveform) movies form right to left gradually. In the roll mode, the waveform data will display immediately without waiting for complete waveform record. For GDS-1000-U series, if the sweep time is large and equal 250ms (≥250ms/div), the scope will switch roll mode automatically.
For example, if sweep was 10 divisions with a rate of one second per division. In “Main Mode”, It would take 10 seconds to fill the waveform record. But using “Roll mode”, the oscilloscope will immediately begin displaying result rather than the full 10 seconds. This mode is very useful to see the information for low frequency waveform.
What can I do if I cannot see my test signal on the Oscilloscope?
All the GW digital oscilloscope provides a reference square signal with 2Volts amplitude at 1kHz. You can hook the probe on reference signal and press “AutoSet” button, the oscilloscope will auto detect the signal and display the signal on the screen with the best scale on time and amplitude.
If workable as previous operation, Re-connect your signal again and try “Autoset” button again. If you still not get your signal, Please contact GW Instek local distributor for further assistance.
What interface I can use it to remote control on GW GDS series oscilloscope?
The available interface depends on the model of GDS series.
For GDS1000-U/GDS1000A-U, USB is the only interface for remote control.
For GDS2000A series, USB port and RS-232C are standard interface but GPIB/Lan is optional.
For GDS3000 series, USB port, RS-232C, and Lan port are standard interface but GPIBis optional.
Could you explain the how to verify the bandwidth accuracy and the rise time as the description on GW specification for GDS-1000A-U series.
1. The system total rise time (Scope + probe) can be done with this formula: Tr SYSTEM2 = Tr PROBE2 + Tr SCOPE2, and also can drive the responded bandwidth by Tr =0.35/BW. Since it’s not easy to directly measure the rise time of each unit, Usually we measure bandwidth firstly, then use previous formula to get the rise time.
(3), Probe model: GTP-250A-2, attenuation position set to 10X, bandwidth from DC~250MHz
From the bandwidth definition, the waveform amplitude at -3dB point will be attenuated to 70.7% that means the waveform will occupy 4.242 divisions on the screen. In the test 2 experiment, we can observe the amplitude occupy 5 divisions for 300mV on the screen as picture 4.
As the result, GW GDS-1152A-U has no doube with 150 MHz bandwidth as we advertise and also provide more spare bandwidth
3, The rise time of this configuration can be derived out as following result.
Bandwidth= 150MHz è Tr =0.35/BW= 0.35/150MHz = 2.3ns