A very compact 32-channel digital delay module has been designed to fit in a single VNM 6 U unit. It is equipped with both VME and Fast Intercrate Readout (FAIR) interfaces. Furthermore, a local manual programmability was implemented to use the modulealso in a stand-alone mode. A variety of NIM and ECL output have been implemented. A special ECL input allows the selection of different output regimes. The thermal stabilization is controlled via a PLL based circuit. The main features of the module are the wide range for the delay and the width of the output pulse: from 25 ns up to 6400 ns, in 25 ns steps; and the low jitter: values of the order of 27 ps (11 ppm) were measured in several bench tests.
A COMPACT DIGITAL DELAY MODULE WITH VME AND FAIR INTERFACES / Spadaccini, Giulio; A., Ordine; A., Boiano; W., DE CESARE. - In: IEEE TRANSACTIONS ON NUCLEAR SCIENCE. - ISSN 0018-9499. - STAMPA. - 51:5(2004), pp. 2947-2956. [10.1109/TNS.2004.834959]
A COMPACT DIGITAL DELAY MODULE WITH VME AND FAIR INTERFACES
SPADACCINI, GIULIO;
2004
Abstract
A very compact 32-channel digital delay module has been designed to fit in a single VNM 6 U unit. It is equipped with both VME and Fast Intercrate Readout (FAIR) interfaces. Furthermore, a local manual programmability was implemented to use the modulealso in a stand-alone mode. A variety of NIM and ECL output have been implemented. A special ECL input allows the selection of different output regimes. The thermal stabilization is controlled via a PLL based circuit. The main features of the module are the wide range for the delay and the width of the output pulse: from 25 ns up to 6400 ns, in 25 ns steps; and the low jitter: values of the order of 27 ps (11 ppm) were measured in several bench tests.| File | Dimensione | Formato | |
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