Channel control ASIC for the CMS hadron calorimeter front end readout module
Conference
·
OSTI ID:801467
- Fermilab
The Channel Control ASIC (CCA) is used along with a custom Charge Integrator and Encoder (QIE) ASIC to digitize signals from the hybrid photo diodes (HPDs) and photomultiplier tubes (PMTs) in the CMS hadron calorimeter. The CCA sits between the QIE and the data acquisition system. All digital signals to and from the QIE pass through the CCA chip. One CCA chip interfaces with two QIE channels. The CCA provides individually delayed clocks to each of the QIE chips in addition to various control signals. The QIE sends digitized PMT or HPD signals and time slice information to the CCA, which sends the data to the data acquisition system through an optical link.
- Research Organization:
- Fermi National Accelerator Lab., Batavia, IL (US)
- Sponsoring Organization:
- USDOE Office of Energy Research (ER) (US)
- DOE Contract Number:
- AC02-76CH03000
- OSTI ID:
- 801467
- Report Number(s):
- FERMILAB-Conf-02/210
- Country of Publication:
- United States
- Language:
- English
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