![]() ![]() One of the key elements of the PC oscilloscope is naturally the USB link. It is also interesting to note that many boxed digital oscilloscopes adopt exactly the same approach and have the same basic circuit blocks, the only real difference is that the USB scope uses an external PC or other computer for the control and display. Fewer variants are required for different interfaces, and therefore it is possible to focus on optimising the test instrument design for USB. The other advantage is that having a digital USB scope design enables the advantages and cost savings of quantity can be made. Using USB means that it is possible to use a scope using the PC processing power on virtually any PC. However in recent years USB has become standard on virtually all computers and as a result it does not require the use of an additional card like a Firewire card, etc to use one of these test instruments. It is possible for scopes using personal computers, PCs, to use a variety of methods to link to PCs. Using the Universal Serial Bus, USB for the means of connecting a scope to a PC makes absolute sense, although it is not the only method. These test instruments enable considerable cost savings to be made without compromising on performance dependent upon the USB scope selected Choice of USB for PC scopes In view of the demand for USB oscilloscopes, a large variety is available, offering the full range of capabilities from entry level USB scopes right up to sampling oscilloscopes with bandwidths extending into the GHz region. ![]() ![]() In may instances a computer will be available in an environment where electronic equipment is to be tested, and therefore using the processing power, screen and power supply of the PC or other computer makes sense, saving on cost and space. PC based oscilloscopes including USB scopes have become a very popular way of providing a high performance oscilloscope for low cost and in a small package. Oscilloscope basics Oscilloscope types summary Specifications How to use an oscilloscope Scope triggering Oscilloscope probes Oscilloscope probe specifications USB Oscilloscope: PC based scope PC & USB oscilloscopes provide high performance test instruments in a small space and for a comparatively low cost by using the user interface and some processing of a computer.Īnalogue scope Analogue storage scope Digital phosphor scope Digital scope USB / PC scope Mixed Signal Oscilloscope MSO Sampling scope ![]()
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