Low Phase-Noise and Strong Start-Up Condition Voltage Controlled Oscillator for K Band Applications

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KATEBI M.; NASRI A.; Toofan S.; Zolfkhani H.

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Paper Information

Journal: NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, A- MUHANDISI -I BARQ Year:2019 | Volume:17 | Issue:1 Page(s): 60-68

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Information Journal Paper

Title

Low Phase-Noise and Strong Start-Up Condition Voltage Controlled Oscillator for K Band Applications

Author(s)

KATEBI M. | NASRI A. | Toofan S. | Zolfkhani H. | Issue Writer Certificate

Keywords

Voltage controlled oscillatorQ1

cross-coupled pairQ1

ColpittsQ1

phase noiseQ1

Abstract

This paper presents a Voltage controlled oscillator (VCO) based on a cross-coupled pair and Colpitts structures for K-band applications. By employing cross-coupled pair and Colpitts structures, the dc power consumption and phase noise was reduced. By using inductors between cross-coupled pair and Colpitts structures, the effective transconductance was enhanced and robust the start-up condition. In order to cover a wide frequency tuning range, a capacitor bank was used. The VCO has been designed and simulated in TSMC 0. 18 µ m CMOS technology. Simulation results showed that the simulated phase noise of center frequency (24. 25 GHz), at 1-MHz offset frequency is-120 dBc/Hz and the figure of merit is-195. 67 dBc/Hz. The covering frequency range and tuning range of this VCO are 1. 4 GHz and 5. 7%, respectively. The occupied area of the layout is 335 µ 2m and the power consumption of this VCO was 15. 92 mW from 1. 5 V supply voltage.

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APA: Copy

KATEBI, M., NASRI, A., Toofan, S., & Zolfkhani, H.. (2019). Low Phase-Noise and Strong Start-Up Condition Voltage Controlled Oscillator for K Band Applications. NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, A- MUHANDISI -I BARQ, 17(1 ), 60-68. SID. https://sid.ir/paper/228209/en

Vancouver: Copy

KATEBI M., NASRI A., Toofan S., Zolfkhani H.. Low Phase-Noise and Strong Start-Up Condition Voltage Controlled Oscillator for K Band Applications. NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, A- MUHANDISI -I BARQ[Internet]. 2019;17(1 ):60-68. Available from: https://sid.ir/paper/228209/en

IEEE: Copy

M. KATEBI, A. NASRI, S. Toofan, and H. Zolfkhani, “Low Phase-Noise and Strong Start-Up Condition Voltage Controlled Oscillator for K Band Applications,” NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, A- MUHANDISI -I BARQ, vol. 17, no. 1 , pp. 60–68, 2019, [Online]. Available: https://sid.ir/paper/228209/en

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