High-Q floating active inductor based VCO for L-band and lower C-band applications in 180 nm CMOS technology
By: Hota, Aditya Kumar
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Contributor(s): Sethi, Kabiraj.
Publisher: USA Springer 2023Edition: Vol.104(5), Oct.Description: 1023-1033p.Subject(s): Humanities and Applied SciencesOnline resources: Click here
In:
Journal of the institution of engineers (India): Series BSummary: This paper presents a low power, wide-tuned Inductor-capacitor (LC) voltage-controlled oscillator (VCO). A floating active inductor (FAI) with a high-quality factor (Q) is used in the VCO design. The FAI is designed with a cascode transistor pair and a cross-coupled transistor pair to achieve a high Q value of up to 3290. The inductance value of the FAI ranges from 12.5 nH to 256.2 nH. The VCO has 164.8% of oscillation frequency tuning, from 235 MHz to 2.83 GHz with a phase noise of −85.3 dBc/Hz to −102.4 dBc/Hz at 1 MHz offset frequency. The FAI and VCO have 17.1 × 18 µm2 and 58.6 × 64.6 µm2 silicon area respectively. The power consumption ranges from 6.8 mW to 8.62 mW within the frequency tuning range. The FAI and VCO are designed in UMC 0.18 µm mixed-mode CMOS technology.
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School of Engineering & Technology Archieval Section | Not for loan | 2024-0112 |
This paper presents a low power, wide-tuned Inductor-capacitor (LC) voltage-controlled oscillator (VCO). A floating active inductor (FAI) with a high-quality factor (Q) is used in the VCO design. The FAI is designed with a cascode transistor pair and a cross-coupled transistor pair to achieve a high Q value of up to 3290. The inductance value of the FAI ranges from 12.5 nH to 256.2 nH. The VCO has 164.8% of oscillation frequency tuning, from 235 MHz to 2.83 GHz with a phase noise of −85.3 dBc/Hz to −102.4 dBc/Hz at 1 MHz offset frequency. The FAI and VCO have 17.1 × 18 µm2 and 58.6 × 64.6 µm2 silicon area respectively. The power consumption ranges from 6.8 mW to 8.62 mW within the frequency tuning range. The FAI and VCO are designed in UMC 0.18 µm mixed-mode CMOS technology.
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