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Alternating current is suitable for transmission and distribution of electricity over long distances through the grid system.
Direct current is a one-way flow of charge and is more reliable than alternating current, but is not suitable for long-distance power transmission. Most electronic devices use DC because their voltage is constant, such as devices powered by batteries. Some devices also use rectifiers to convert AC to DC. Power supplies usually have built-in rectifiers and transformers that can raise or lower the voltage to a suitable level.
Using an arbitrary waveform generator, test engineers can verify the design of a circuit in just a few steps: (1) activate the output control; (2) select the waveform to be generated; (3) connect the output to the device under test; and (4) verify the performance of the device under test using an oscilloscope. The following is an example of the design of the output control circuit.
View Full VersionWaveform sequencing lets you create multiple configured waveforms that contain multiple common segments. Sorting lets you build complex, long waveforms using as little instrument memory as possible. Waveform sequencing lets you save storage capacity by replaying shorter waveforms at different locations on the signal as needed. Many tests require long waveform memory records. The required record length...
View Full VersionReal-time spectrum analyzers can collect data in the time domain and then convert it to the frequency domain using the Fast Fourier Transform (FFT). Real-time spectrum analyzers can quickly capture transient and fast signals. ,
View Full VersionCan. Many AC power sources can produce DC directly, or by superimposing a DC bias on the AC waveform. ,
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