PMID- 35104945
OWN - NLM
STAT- PubMed-not-MEDLINE
LR  - 20220202
IS  - 1089-7623 (Electronic)
IS  - 0034-6748 (Linking)
VI  - 93
IP  - 1
DP  - 2022 Jan 1
TI  - A high precision phase measurement system implemented in FPGA with phase 
      interpolator.
PG  - 014707
LID - 10.1063/5.0078340 [doi]
AB  - High precision timing distribution is crucial to many large scale cosmology and 
      particle physics experiments. Besides the space and energy information, the 
      accurate timing provides an extra dimension for physics event reconstruction. In 
      the timing distribution system, accurate clock phase measurement is an 
      indispensable tool to monitor the phase drift and to achieve accurate phase 
      adjustment. This paper introduces a novel phase measurement method implemented in 
      the Xilinx Field Programmable Gate Array (FPGA). It uses the dedicated phase 
      interpolator in the multi-gigabit transceiver. A design based on this method is 
      implemented within the Kintex Ultrascale series FPGA. The preliminary test result 
      shows that a sub-picosecond level precision is achieved. With this system, the 
      nonlinearity of the phase adjustment in the Xilinx transceiver is measured.
FAU - Chen, K
AU  - Chen K
AUID- ORCID: s0000000349363825
AD  - Key Laboratory of Quark and Lepton Physics (MOE), Central China Normal 
      University, Wuhan 430079, China.
FAU - Song, X
AU  - Song X
AD  - Key Laboratory of Quark and Lepton Physics (MOE), Central China Normal 
      University, Wuhan 430079, China.
FAU - Yu, Z
AU  - Yu Z
AD  - Key Laboratory of Quark and Lepton Physics (MOE), Central China Normal 
      University, Wuhan 430079, China.
FAU - Liu, J
AU  - Liu J
AD  - Key Laboratory of Quark and Lepton Physics (MOE), Central China Normal 
      University, Wuhan 430079, China.
LA  - eng
PT  - Journal Article
PL  - United States
TA  - Rev Sci Instrum
JT  - The Review of scientific instruments
JID - 0405571
SB  - IM
EDAT- 2022/02/03 06:00
MHDA- 2022/02/03 06:01
CRDT- 2022/02/02 05:28
PHST- 2022/02/02 05:28 [entrez]
PHST- 2022/02/03 06:00 [pubmed]
PHST- 2022/02/03 06:01 [medline]
AID - 10.1063/5.0078340 [doi]
PST - ppublish
SO  - Rev Sci Instrum. 2022 Jan 1;93(1):014707. doi: 10.1063/5.0078340.