Bulletin of Shimane Medical University

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Bulletin of Shimane Medical University 5
1982-12-01 発行

An lnexpensive Pulse Programmer for Transient NQR Experiments

Mishima, Mitsuo
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Description
A four-channel pulse generator has been constructed using inexpensive digital integrated circuits. At a total component cost of \ 80,000, the device can program the pulse width, the delay time, and the trigger period within an accuracy of 1 ppm. The preset time can be adjusted in the range from 0.5 μs to 9990 s. A sequence of pulses can be repeated up to 999 times. The whole circuit and its timing chart are represented in detail