Bandwidth broadening of the photodetector signal path
Leszek J. Opalski , Katarzyna Opalska
AbstractThe paper addresses bandwidth widening of an analog signal path, composed of a high-speed infrared photodetector, an amplifier and a transmission line connecting the two. To investigate influence of design variables upon bandwidth a simplified model of the signal path is analyzed first. Several design scenarios are considered, including transmission line length adjustment, but also insertion of a simple LC corrector. Trade-offs between bandwidth and pass-band ripple level are revealed numerically, also for a realistic model of an infrared photodetector, wide band gain-block and a flexible strip line connection. It is shown that the simple T-corrector can result in substantial bandwidth increase. Interestingly enough, in most cases tested similar broadening can be provided by appropriate tuning of the connection line length only.
|Publication size in sheets||0.5|
|Book||Napieralski Andrzej (eds.): Proceedings of 23rd International Conference Mixed Design of Integrated Circuits and Systems MIXDES 2016, vol. CFP16MIX-CDR, 2016, Wólczańska 221/223, 90-924 Łódź, Poland, Lodz University of Technology, Department of Microelectronics and Computer Science, ISBN 978-83-63578-08-4, 538 p.|
|Project||Research on measurement, circuit and signal theory and electronic circuits and systems. Project leader: Romaniuk Ryszard,
, Phone: +48 22 234 7986, +48 22 234 5360, start date 15-06-2015, end date 31-12-2016, ISE/2015/DS, Completed
|Score|| = 15.0, 01-04-2020, BookChapterMatConfByIndicator|
= 15.0, 01-04-2020, BookChapterMatConfByIndicator
|Publication indicators||= 1; = 0; = 1.0|
|Citation count*||1 (2020-09-13)|
* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.