High Resolution Digital Time Base
- 1 June 1979
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Nuclear Science
- Vol. 26 (3) , 4152-4154
- https://doi.org/10.1109/TNS.1979.4330730
Abstract
A time base has been developed to supply general timing signals for the Cornell Electron Storage Ring, including beam bunch transfer triggers and beam detector triggers. The system consists of 8-bit counters and digital phase shifters of 8-bit resolution, under control of a data bus tied to the CESR control computer interface. The counters use conventional Schottky TTL techniques at a clock rate of 23.8 MHz, and the phase shifters are based on an ECL phase-locked loop, giving a resolution of 150 ps/LSB, jitter of 50 ps, an offset T.C. of 10 ps/°C, and a gain T.C. of 100 ppm/°C.Keywords
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