The NIM pocket pulser is a compact, lightweight battery operated pulse generator. It provides a convenient and portable way of simulating fast negative photomultiplier pulses or NIM logic pulses, to easily check cables and electronics in the laboratory or remote experimental sites. The model 417 generates a negative pulse resembling a photomultiplier with the risetime of 1.5nsec and width of 6nSec at a 10 KHz rate. An output is present when a load of 10 Kohms or less is connected. With no load the pulser goes to a standby condition with a battery life in excess of three years. The fully compatible fast NIM output is typically -16mA (-800mVolts across 50 ohms), with no DC offset present. The current switching output will not be damaged when testing shorted cables.
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