Planar transformers for column parallel CCD clock drive

The LCFI Collaboration is developing the sensors, readout electronics and mechanical support structures for the Vertex Detector (VXD) of the International Linear Collider (ILC). High-speed readout is needed to ensure that the occupancy due to the pair production background at the ILC is kept below 1...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2009-10, Vol.609 (2), p.122-128
Main Authors: Hawes, B., Cussans, D., Damerell, C., Devetak, E., Fopma, J., Gao, R., Goldstein, J., Greenshaw, T., Hillert, S., Kundu, N., Nomerotski, A., Perry, C., Stefanov, K., Thomas, S., Worm, S.
Format: Article
Language:English
Subjects:
Column parallel CCD
Planar transformer
Substrate bounce
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Summary:The LCFI Collaboration is developing the sensors, readout electronics and mechanical support structures for the Vertex Detector (VXD) of the International Linear Collider (ILC). High-speed readout is needed to ensure that the occupancy due to the pair production background at the ILC is kept below 1% level. In order to satisfy this requirement, Column Parallel CCDs (CPCCDs) and Column Parallel Readout chips (CPRs) have been developed. The CPCCD has to operate at a clock frequency of 50 MHz, which represents a difficult technical challenge due to the relatively large sensor capacitance. The design and performance of planar transformers, which can be used to provide the required 20 A clock current, are described.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2009.07.103