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A valuable feature in the Tektronix MDO 3000 Series oscilloscopes is the spectrogram, which lets users view in an unusual way aspects of high-frequency signals that may not…
The post Displaying spectrograms on modern-day oscilloscopes appeared first on Test & Measurement Tips.
An eye diagram is used in electrical engineering to get a good idea of signal quality in the digital domain. To generate a waveform analogous to an eye…
The post Basics of eye diagrams appeared first on Test & Measurement Tips.
Spectrum analyzers fall into two basic categories, real-time and swept. Real-time spectrum analyzer technology is derived from that of the oscilloscope. The instrument first gathers data in the…
The post The difference between real-time and swept spectrum analyzers appeared first on Test & Measurement Tips.
In oscilloscope development, triggered sweep was a major innovation. It emerged as part of the great electronics boom in the post-World War II period. It came in handy…
The post Triggering options in the Tektronix MDO3104 oscilloscope appeared first on Test & Measurement Tips.
The three-phase induction motor is ubiquitous in industrial applications because of its reliability and need for infrequent maintenance. Without brushes and externally commutated by the utility-supplied waveform, there…
The post How to test motors with an oscilloscope appeared first on Test & Measurement Tips.
Noise in electronic circuits can be defined in a variety of ways, but it is almost always undesirable. The principal types of noise are thermal noise, shot noise,…
The post Using a scope to read signals obscured by noise appeared first on Test & Measurement Tips.
In oscilloscope triggering, hold-off is a simple concept and is easy to implement. In contrast, delayed sweep is somewhat more obscure as to its details and current status…
The post The difference between hold-off control and delayed sweep appeared first on Test & Measurement Tips.
Some contemporary oscilloscopes, such as the Tektronix MDO3104, may incorporate an optional built-in arbitrary function generator (AFG). This is an enormously useful and convenient feature, either as a…
The post Scope function generators: The difference between duty cycle and function output frequency appeared first on Test & Measurement Tips.
When you hook a signal up to an oscilloscope or spectrum analyzer, you have usually done so because you are looking at a signal that is changing over…
The post The Difference Between Dynamic Range of an Oscilloscope and Dynamic Range of a Spectrum Analyzer appeared first on Test & Measurement Tips.
The digital oscilloscope currently dominates the market, both in bench-type and hand-held instruments produced by all major manufacturers. But back in the day, cathode ray tubes were used…
The post What is the Difference Between Real-Time and
Equivalent-Time Sampling in an Oscilloscope? appeared first on Test & Measurement Tips.
