Arbitrary waveform generator

The BK Precision model 4078 Dual Channel Arbitrary Waveform Generator uses direct digital synthesis to generate waveforms up to 400,000 points
HAMEG HMF 2550 digital AWG under an oscilloscope displaying the generated waveform

An arbitrary waveform generator (AWG) is a piece of electronic test equipment used to generate electrical waveforms.[1][2][3] These waveforms can be either repetitive or single-shot (once only) in which case some kind of triggering source is required (internal or external). The resulting waveforms can be injected into a device under test and analyzed as they progress through it, confirming the proper operation of the device or pinpointing a fault in it.

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