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The Tektronix model 575 curve tracer shown in the gallery was a typical early instrument. Nowadays, curve tracers are entirely solid state and are substantially automated to ease the workload of the operator, automatically capture data, and assure the safety of the curve tracer and the DUT. Recent developments in curve tracer systems now allow ...
A full set of characteristic curves for vacuum tubes, and later for semiconductor devices, could be displayed on an oscilloscope screen by use of a plug-in adapter, or on a dedicated curve tracer. An example is the Tektronix 570. [4]
Starting with the 530 and 540 series oscilloscopes, the operator could switch in different horizontal sweep or vertical input plug-ins. This allowed the oscilloscope to be an adaptable test instrument. Later Tektronix added plug-ins to have the scope operate as a spectrum analyzer, waveform sampler, cable tester and transistor curve tracer.
Tektronix 7854 oscilloscope with curve tracer and time-domain reflectometer plug-ins. Lower module is a mainframe of the series Tektronix TM500 and has a digital voltmeter, a digital counter, an old WWVB frequency standard receiver with phase comparator, and function generator.
There were also a curve tracer plug in, the 7CT1N ($1,385 in 1983), and spectrum analyzer plug ins (e.g., 7L5, 7L12, 7L13, 7L14, 7L18). Combining a 7000-series storage oscilloscope mainframe with a non-storage spectrum analyzer plug in (7L12, 7L13) allowed a slow sweep with a display that did not fade away.
For characterization purposes SMUs are bench instruments similar to a curve tracer. They are also commonly used in automatic test equipment and usually are equipped with an interface such as GPIB or USB to enable connection to a computer.
Dual-beam cathode ray oscilloscope type 322-A, Du Mont Laboratories, early 1950s [4] In 1938, DuMont Labs began manufacturing televisions at a factory in nearby Passaic, New Jersey. [3]: 191 To sell TVs, it began the DuMont Television Network in 1942, one of the earliest TV networks. Later, they manufactured cameras and transmitters for TV.
A PC-based oscilloscope is a type of digital oscilloscope which relies on a standard PC platform for waveform display and instrument control. In general, there are two types of PC-based oscilloscopes Standalone oscilloscopes which contain an internal PC platform (PC mainboard) – common with upper mid-range and high-end oscilloscopes