425A Nanosecond Delay

• Aligns fast-timing channels that incorporate coincidence circuits or TACS
• 2- to 65-ns delay in 1-ns steps
• 50-W calibrated delay cable for linear or logic signals

The ORTEC Model 425A Nanosecond Delay provides a calibrated delay for any type of signal in 1-ns steps from 0 to 63 ns. Longer delays can be obtained by cascading several Model 425As. The delays are accomplished with RG-58A/U coaxial cables that are interconnected by stripline sections. No power is required to operate the instrument.

The Model 425A has many uses. For example, it can be used for aligning fast-timing channels to operate coincidence circuits or time-to-pulse-height converters. And, because of the high accuracy of the delays, it can be used to calibrate that equipment.

The input and output impedances of the Model 425A are 50 W, making it fully compatible with related signal sources and loads in other NIM-standard modular nuclear instruments.

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