6074BD USB Oscilloscopes 4 Channels 70Mhz Bandwidth Oscilloscope Digital PC Hand held Electroscopic with 25Mhz Signal Generator
Meet or exceed the performance of bench oscilloscopes, four independent analog channels, 1GSa / s high-speed real-time sampling, 2mV-10V / DIV high input sensitivity, 250MHz high bandwidth.
Pass / Fail testing, extensive trigger functions, dynamic cursor tracking waveform recording and playback, and desktop oscilloscope similar interface, easy to use, cost-effective.
USB2.0 interface, plug and play, free external power supply.
Excellent industrial design, compact, easy to carry, and the shell is made of anodized aluminum of the iPad, not only beautiful, but also improves the alloy surface hardness, good heat resistance and abrasion resistance.
More suitable for tablet PCs, notebook computers, product line maintenance, easily on business.
Software Support: Windows10, Windows 8, Windows 7
Waveform data can be time-and voltage output to EXCEL, BMP, JPG.
More than 20 kinds of automatic measurement functions, PASS / FAIL Check, be suitable for engineering applications.
Waveform average, persistence, intensity, invert, addition, subtraction, multiplication, division, X-Y display.
FFT spectrum analysis.
A computer can connect many DSO, extend channel easily.
USBXI standard interface, easy to insert USBXI chassis, consisting of a combination of instruments.
Secondary development library DLL provides, Labview \ VB \ VC \ QT developers provide example
1 x 6074BD usb oscilloscope;
2 x oscilloscope probe;(Note:Just 2pcs probes in the package,if you want to buy more,please contact with us directly!!!)
2 x BNC - clip cable;
1 x usb cable;
1 x CD (driver / manual... inside)
Determine the bandwidth of the test signal to select the oscilloscope
Bandwidth is generally defined as the frequency when the amplitude of sinusoidal input signal attenuates to -3db, that is, 70.7% of the amplitude. The bandwidth determines the basic measuring ability of oscilloscope to signal. If there is not enough bandwidth, the oscilloscope will not be able to measure the high frequency signal, the amplitude will be distorted, the edge will disappear, the detail data will be lost;Without sufficient bandwidth, all the features of the resulting signal, including ringing and ringing, are meaningless.
An effective rule of thumb for determining the bandwidth of an oscilloscope you need -- the "5x rule of thumb" : multiply the highest frequency component of the signal you are measuring by 5, so that the measurement results are more than 2% accurate.
In some applications, you do not know the bandwidth of the signal of interest to you, but you do know its maximum rise time, at which time the frequency response calculates the associated bandwidth and rise time of the instrument using the following formula: Bw=0.35/maximum rise time of signal.
There are two types of digital oscilloscope bandwidth: repeat (or equivalent time) bandwidth and real-time (or single time) bandwidth. Repeat bandwidth only applies to repeated signals, showing sampling from multiple signal acquisition periods. Real-time bandwidth is the highest frequency that can be captured in the single sampling of oscilloscope, and it is more important when the captured events are not frequent or transient signals. Real-time bandwidth is closely related to the sampling rate.
The higher the bandwidth, the better, but higher bandwidth often means higher prices, so choose the frequency component of the signal you're looking at on a budget.
There are usually three methods of bandwidth for high - end oscilloscopes
One is the direct realization of preamplifier circuit;Second, DSP is used to stretch bandwidth;Third, digital bandwidth reuse.
According to tek, each of the three approaches has its own advantages. At present, preamplifier direct implementation and DSP stretch bandwidth technology are widely used in the market. From the perspective of use, the bandwidth of hardware implementation USES less digital technology, with high signal fidelity, more flexible in use, less restrictions, flatter frequency response and noise spectrum, support equivalent sampling and undersampling, and allow signal beyond the screen, but the cost is relatively high. In contrast, digital technology may cause fluctuation of frequency response or noise spectrum, with low effective bit at some frequencies. Meanwhile, digital technology requires real-time sampling, does not support under-sampling, and waveform distortion will occur when the signal goes beyond the screen, which has relatively high restrictions and higher requirements on users. But the bandwidth achieved by digital technology is relatively cheap due to the low cost of hardware, providing a cheap solution for users at the expense of some performance.In general, preamplifier technology and DSP provide different options for different customers.