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An Oscillator and a Mixer for 140-GHz Heterodyne Receiver Front-End based on SiGe HBT Technology
- Issue Date
- 2월-2015
- Publisher
- IEEK PUBLICATION CENTER
- Keywords
- SiGe HBT; oscillator; mixer
- Citation
- JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, v.15, no.1, pp.29 - 34
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE
- Volume
- 15
- Number
- 1
- Start Page
- 29
- End Page
- 34
- ISSN
- 1598-1657
- Abstract
- This paper reports a couple of key circuit blocks developed for heterodyne receiver front-ends operating near 140 GHz based on SiGe HBT technology. Firstly, a 123-GHz oscillator was developed based on Colpitts topology, which showed 5 dBm output power and phase noise of -107.34 dBc/Hz at 10 MHz. DC power dissipation was 25.6 mW. Secondly, a 135 GHz mixer was developed based on a modified Gilbert Cell topology, which exhibited a peak conversion gain of 3.6 dB at 1 GHz IF at fixed LO frequency of 134 GHz. DC power dissipation was 3 mW, which mostly comes from the buffer.
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Collections - College of Engineering > School of Electrical Engineering > 1. Journal Articles
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