How Does A Logic Analyzer Work?

A logic analyzer is a specialized type of electronic test equipment which enables a technician to analyze and test a digital circuit or system in order to ensure that it is working properly. A logic analyzer displays the logic levels (0 or 1) of signals in the circuit which are much too fast to be observed by any other means. A logic analyzer is necessary for digital troubleshooting due to the fact that digital systems have far too many channels to be measured with an oscilloscope. Thus a logic analyzer captures data which cannot be captured by any other means.

Logic analyzers are connected to the system to be tested with a series of probes. Years ago they were simply attached with large numbers of clips but eventually specialized logic analyzer probes came into widespread use. These probes ensure a safe connection, both mechanical as well as electrical since they're designed to not alter the electrical signal. Once the logic analyzer is set up the trigger condition is set. A trigger condition can be anything from triggering on the falling edge of a signal to triggering on a precise HTTP packet. After capturing the data the logic analyzer's software converts it into various formats such as assembly language or timing diagrams which a technician can then use to debug failures in the digital system.

Logic analysis equipment is used extensively in the chip making, computer and networking industries. A logic analyzer can save a technician countless hours in the debugging process not to mention the huge cost savings for companies. Currently the top manufacturers of logic analyzers are Agilent Technologies and Tektronix. Browse the selection of new and used logic analyzers that we have available for sale through our affiliation with eBay - you won't find better prices anywhere else! If you don't see what need, search here to perform a more extensive search.