DAQ electronics for borexino experiment

✍ Scribed by F. Gatti; P. Musico; A. Nostro; S. Vitale

• Book ID: 104355931
• Publisher: Elsevier Science
• Year: 1999
• Tongue: English
• Weight: 235 KB
• Volume: 78
• Category: Article
• ISSN: 0920-5632
• DOI: 10.1016/s0920-5632(99)00531-9

✦ Synopsis

In this document we present the design and the implementation of an 8 channels VME board with the following functionalities (for each channel):

• Dual threshold discriminator • Time to Digital Converter with resolution better than 500 psec

• Dual sampling 8 bit Analog to Digital Converter

The unit is controlled by a Digital Signal Processor. The DSP is used to collect data in order to have maximum flexibility and efficiency.

There is also the first stage of the trigger logic: the board outputs the number of photomultiplier fired in a time window of 50 nsec.

Another level of trigger logic is implemented at crate level on a dedicated unit which gives the number of PMT fired on a crate basis.