16720A Pattern generator, 300 M Vector/sec
16801A Logic Analyzer, 34 channel, 4 GHz timing, 250 MHz state, 1 M depth
16802A Logic Analyzer, 68 channel, 4 GHz timing, 250 MHz state, 1 M depth
16803A Logic Analyzer, 102 channel, 4 GHz timing, 250 MHz state, 1 M depth
16804A Logic Analyzer, 136 channel, 4 GHz timing, 250 MHz state, 1 M depth
16806A Logic Analyzer, 204 channel, 4 GHz timing, 250 MHz state, 1 M depth
16821A Logic Analyzer with 48 channel pattern generator, 34 channel, 4 GHz timing, 250 MHz state, 1 M depth
16822A Logic Analyzer with 48 channel pattern generator, 68 channel, 4 GHz timing, 250 MHz state, 1 M depth
16823A Logic Analyzer with 48 channel pattern generator, 102 channel, 4 GHz timing, 250 MHz state, 1 M depth
16910A Logic Analysis Module, 102 channel , 4 GHz timing, 250 MHz state, 256 K depth
16911A Logic Analysis Module, 68 channel , 4 GHz timing, 250 MHz state, 256 K depth
16950B Logic Analysis Module, 68 channel, 4 GHz timing, 667 MHz state, 1 M depth
81110A 165 / 330 MHz Pulse / Pattern Generator
81111A 10V 165 MHz Output Channel for 81110A
81112A 3.8V 330 MHz Output Channel for 81110A
81131A 400 MHz Output Channel for 81130A
View all Agilent Technologies Logic Analyzers
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A logic analyzer captures digital data from a digital system and presents it to a user so that the user can locate failure of the digital system.
A HP 1630D Logic Analyzer showing a timing diagram.The basic problem that a logic analyzer solves is that a digital circuit is too fast to be observed by a human being, and has too many channels to be examined with an oscilloscope.
A logic analyzer would trigger on a complicated sequence of digital events, and then copy a large amount of digital data from the system under test. The best logic analyzers behaved like software debuggers (showing the flow of the computer program), or oscilloscopes.
When logic analyzers first came into use, it was common to attach several hundred "clips" to a digital system. Later, specialized connectors came into use. In modern computer systems various other tools have made logic analyzers obsolete for many uses. For example, many microprocessors have hardware support for software debuggers. Many digital designs, including those of ICs, are simulated to detect defects before the unit is constructed. The simulation usually provides logic analysis displays. Often, complex discrete logic is verified by simulating inputs and testing outputs using boundary-scan logic. None of these exactly reproduce the high-speed data capture function of a logic analyzer, but they cover most real needs for debugging digital circuits