Title :
RHIC beam synchronous trigger module
Author :
Hartmann, H. ; Kerner, T.
Author_Institution :
Brookhaven Nat. Lab., Upton, NY, USA
Abstract :
The RHIC Beam Synchronous Event System consists of centralized event encoders (one for each collider ring), which operate from the RF clock and the revolution clock provided by the RHIC RF system, and distributed embedded decoders. The Beam Synchronous Trigger Module (V124) is a general purpose 6U×4HP, VMEbus controlled module that is compatible with the RHIC Beam Synchronous Event System and is designed to provide clocks and triggers for collider data acquisition systems and experiments. The V124 Module contains a separate memory (Bunch Fill Mask RAM) for each channel that is software configurable with the pattern of filled buckets (Bunch Fill Pattern) to permit bunch synchronous triggering/clocking. This module provides eight identical channels that can be configured independently or in pairs, and a buffered RF clock output
Keywords :
accelerator control systems; colliding beam accelerators; data acquisition; ion accelerators; storage rings; synchrotrons; system buses; trigger circuits; Beam Synchronous Trigger Module; Bunch Fill Pattern; RF clock; RHIC RF system; RHIC beam synchronous trigger module; V124; VMEbus controlled module; buffered RF clock output; bunch synchronous triggering/clocking; centralized event encoders; collider data acquisition systems; distributed embedded decoders; filled buckets; revolution clock; Clocks; Colliding beam devices; Counting circuits; Decoding; Delay; Frequency synchronization; Jitter; Phase locked loops; Radio frequency; Read-write memory;
Conference_Titel :
Particle Accelerator Conference, 1999. Proceedings of the 1999
Conference_Location :
New York, NY
Print_ISBN :
0-7803-5573-3
DOI :
10.1109/PAC.1999.795325
