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Choi, Jaehyouk
Integrated Circuits and Systems Lab (ICSL)
Research Interests
  • RF/Analog/Mixed IC design, low power CMOS IC, wired/wireless TRX IC, clock generation IC

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A 2-8 GHz wideband dually frequency-tuned ring-VCO with a scalable K VCO

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Title
A 2-8 GHz wideband dually frequency-tuned ring-VCO with a scalable K VCO
Author
Yoo, SeyeonKim, Jae JoonChoi, Jaehyouk
Keywords
Delay-cell; Digital-to-analog converter (DAC); Latch; Regulator; VCO
Issue Date
2013-11
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, v.23, no.11, pp.602 - 604
Abstract
A 2-8 GHZ wideband dual-tuned ring voltage-controlled oscillator (VCO) has been designed and fabricated in TSMC 65nm CMOS process. Using a 6-bit digital-to-analog converter (DAC) that provided the Vcoarse, the entire frequency range was evenly divided into 64 sub-bands. Next, the oscillation frequency was finely tuned by Vfine to control the strength of the latches in the delay cell of the VCO. In addition, 4-bit latch bank was used in each delay cell to ensure that the KVCO was scalable. The active silicon area was 0.038 mm2 and the power consumption was 1.7 and 6.8 mW at 2 and 8 GHz, respectively.
URI
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DOI
10.1109/LMWC.2013.2280641
ISSN
1531-1309
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EE_Journal Papers
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