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QTIA, a 2.5 or 10 Gbps 4-channel array optical receiver ASIC in a 65 nm CMOS technology

Journal Article · · Journal of Instrumentation
 [1];  [2];  [3];  [3];  [4];  [2];  [5];  [6];  [7];  [3];  [2];  [2];  [7];  [8];  [2];  [1];  [1]
  1. Central China Normal Univ., Wuhan (China); Southern Methodist Univ., Dallas, TX (United States)
  2. Southern Methodist Univ., Dallas, TX (United States)
  3. APAC Opto Electronics Inc., Hsinchu (Taiwan)
  4. Hubei Polytechnic Univ., Huangshi (China)
  5. Academia Sinica, Taipei (Taiwan)
  6. Central China Normal Univ., Wuhan (China)
  7. European Organization for Nuclear Research (CERN), Geneva (Switzerland)
  8. Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
+ Show Author Affiliations
Here, the Quad transimpedance and limiting amplifier (QTIA) is a 4-channel array optical receiver ASIC, developed using a 65 nm CMOS process. It is configurable between the bit rate of 2.56 Gbps and 10 Gbps per channel. QTIA offers careful matching to both GaAs and InGaAs photodiodes. At this R&D stage, each channel has a different biasing scheme to the photodiode for optimal coupling. A charge pump is implemented in one channel to provide a higher reverse bias voltage, which is especially important to mitigate radiation effects on the photodiodes. The circuit functions of QTIA successfully passed the lab tests with GaAs photodiodes.
Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
AC02-07CH11359
OSTI ID:
1833309
Report Number(s):
FERMILAB-CONF--21-516-PPD; arXiv:2110.12626; oai:inspirehep.net:1951087
Journal Information:
Journal of Instrumentation, Journal Name: Journal of Instrumentation Journal Issue: 05 Vol. 17; ISSN 1748-0221
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English

References (4)

Power efficient charge pump in deep submicron standard cmos technology journal June 2003
Radiation Effects on High-Speed InGaAs Photodiodes journal July 2019
The lpGBTIA, a 2.5 Gbps Radiation-Tolerant Optical Receiver using InGaAs photodetector conference March 2020
Versatile Link+ Transceiver Production Readiness conference March 2020

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Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Front-end electronics for detector readout
Optical detector readout concepts
Radiation-hard electronics
VLSI circuits