Conventional mid-class oscilloscopes cannot meet customers’ basic requirements of frequency domain signal measurements due to the fact that the FFT (Fast Fourier Transform) function is the only capability offered by oscilloscopes to process frequency domain measurements. Hence, the displayed spectrum is the most basic implementation by FFT algorithm that can only provide very limited measurement information. With respect to the FFT function, the first impression from most engineers was not the spectrum measurement function provided by FFT, instead, they found FFT very difficult to operate. The operational logic of FFT function is restricted by the sample rate setting of source channels and FFT calculation points. Users often encounter boundary condition while operating FFT and experience a hindered operation. Furthermore, most engineers are not aware of the correlation between the sample rate of time domain signal and the frequency of DUT’s signal while operating FFT. A correct spectrum cannot be observed if the horizontal scale can’t be appropriately set. To deal with this issue, users must repeatedly switch between the time division from time domain and the FFT from frequency domain and they must change setting conditions in order to find the most ideal setting conditions. Additionally, the insufficient calculation efficiency of CPU platform will also restrain mid-class oscilloscopes’ capabilities in providing spectrum measurements. The MDO-2000E series is tailored to provide users with a better spectrum measurement experience.

GW Instek MDO-2000E Mixed Domain Oscilloscope Features:

• 200/100/70MHz bandwidth selections ; 2 or 4 channels

• Real time sample rate for each channel is 1GSa/s (2 channel models)

• Maximum real time sample rate is 1GSa/s (4 channel models)

• Per Channel 10M memory depth and VPO waveform display technology

• Waveform update rate up to 120,000 wfms/s

• 8 “ WVGA TFT LCD display

• Maximum 1M FFT provides higher frequency domain resolution measurements

• High ,low and band pass filter functions

• 29,000 segmented memories and waveform search functions

• I2C/SPI/UART/CAN/LIN serial bus trigger and decoding function

• Data log function is able to track signal changes up to 1000 hours

• Network storage function

• Mask test function

• MDO-2000EG equips with a spectrum analyzer and a dual channel 25MHz Arbitrary Waveform Generator, MDO-2000EX equips with a spectrum analyzer ; a dual channel 25MHz Arbitrary Waveform Generator; DMM and power supply

GW Instek MDO-2000E Mixed Domain Oscilloscope Specifications:

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Fast Retrieval, Precision Measurement
The GW Instek GDS-2000E series provides 10 Mega point record length in each channel with Waveform Search and Segmented Memory functions, which greatly enhance the value of long memory utilization of these DSOs. The 8-inch 800 x 480 TFT LCD display and the minimum 1mV/div vertical range allow the GDS-2000E series to measure complex feeble signals and clearly display complex and random waveforms.

Low Background Noise
For small signal measurement, oscilloscope’s background noise will affect the measurement results. The GDS-2000E low noise amplifying circuit can tremendously improve overall noise interference to produce the genuine signal demonstration.

Key features of the GW Instek GDS-2000E series Oscilloscopes:

• 70/100/200 MHz bandwidth; 2 or 4 channels,
• Real-time sampling rate of 1 GSa/s per channel for 2-channel models; maximum real-time sampling rate of 1 GSa/s per channel for 4-channel models,
• Standard 10Mpts maximum memory capacity,
• Waveform update rate of 120,000 wfm/s,
• 8″ 800×480 TFT LCD display,
• Max. 1 Mpts FFT for higher measurement resolution,
• high- and low-pass filter,
• I2C / SPI / UART / CAN / LIN trigger and decode function,
• Datalogging function with time and interval settings,
• “Zero” button enables instant resetting of horizontal, vertical, and trigger settings.

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• 500MHz, 350MHz, 150MHz Bandwidths and 2 or 4 Channels.
• 5GSa/s Real Time or 100GS/s Equivalent Time Sampling Rate.
• Independent Memory for each Channel.
• Visual Persistence Oscilloscope (VPO) Technology.
• Large 8-inch TFT LCD color Display, LED Back-light, and 800 x 600 pixels (SVGA).
• Split Screen Function.
• 3 Built-in Input Impedances (500Ω, 75Ω, and 1MΩ).
• Optional Power Analysis Software for Power Source Measurement and Analysis.
• Optional Serial Bus Analysis Software for Trigger and Decode of I²C, SPI and UART Interfaces

SPECIFICATIONS:

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The GW Instek GDS-200/300 series, with two analogue signal input channels, have advanced and standard models which come with 70MHz, 100MHz, and 200MHz bandwidth. The maximum sample rate per channel is 1GSa/s and memory depth is 5Mpts. The GDS-300 series oscilloscopes are equipped with 50,000 counts DMM, and the GDS-200 5,000 counts DMM which can simultaneously measure and monitor AC and DC voltage, Current and Temperature. Trend plot in a long period of time can also be drawn, that allows engineers to effectively monitor standard electric parameters while measuring basic circuit signals.

 GWInstek-1_GDS300-200_Series_Datasheet (pdf)

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