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
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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