Digital delay generator
electronic test equipment that provides in-line delays for circuits
A digital delay generator (also known as digital-to-time converter) is a piece of electronic test equipment that provides precise delays for triggering, syncing, delaying, and gating events. These generators are used in many experiments, controls, and processes where electronic timing of a single event or multiple events to a standard timing reference is needed. The digital delay generator may initiate a sequence of events or be triggered by an event. What differentiates it from ordinary electronic timing is the synchronicity of its outputs to each other and the initiating event.
A time-to-digital converter does the inverse function.
Equipment
The digital delay generator is similar to a pulse generator in function, but the timing resolution is much finer, and the delay and width jitter much less.
Some manufacturers, calling their units "digital delay and pulse generators", have added independent amplitude polarity and level control to each of their outputs in addition to delay and width control. Now each channel provides its delay, width, and amplitude control, with the triggering synchronized to an external source or internal rep rate generator - like a general-purpose pulse generator.
Some delay generators provide precise delays (edges) to trigger devices. Others provide accurate delays and widths also to allow a gating function.
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