Dynamic Range Analysis and High-Speed Integrated Circuit Designs Using Indium Phosphide HBT Technology
Chuang, Yu-Ju
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https://hdl.handle.net/2142/81027
Description
Title
Dynamic Range Analysis and High-Speed Integrated Circuit Designs Using Indium Phosphide HBT Technology
Author(s)
Chuang, Yu-Ju
Issue Date
2007
Doctoral Committee Chair(s)
Feng, Milton
Department of Study
Electrical and Computer Engineering
Discipline
Electrical and Computer Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Date of Ingest
2015-09-25T20:09:17Z
Keyword(s)
Engineering, Electronics and Electrical
Language
eng
Abstract
Two integrated circuits using InP DHBT technology have been demonstrated with the aid of the accurate large-signal and noise models developed in this work. The true logarithmic amplifier shows the bandwidth of 22 GHz, which is significantly higher than the previous 6 GHz in literature. This circuit has 43-dB log range and +/-2-dB log accuracy. The other circuit is a quadrature modulator, which operates at 1 G ∼11 GHz. Good carrier rejection of -30 dB and third-order harmonic suppression of -56 dB have been achieved with competitive output power over the other published results.
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