A Class-C Type Wideband Current-Reused VCO With Two-Step Automatic Amplitude Calibration Loop

A Class-C Type Wideband Current-Reused VCO With Two-Step Automatic Amplitude Calibration Loop

This paper presents a wideband Current-Reused Voltage Controlled Oscillator (VCO) with 2-Step Automatic Amplitude Calibration (AAC). Tuning range of the proposed VCO is from 1.95 GHz to 3.15 GHz. The mismatch of differential voltage is within 0.6 %. At 2.423 GHz, the phase noise is -116.3 dBc/Hz at...

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Veröffentlicht in:Journal of semiconductor technology and science 2015, Vol.15 (5), p.470-475
Hauptverfasser: Choi, Jin-Wook, Choi, Seung-Won, Kim, InSeong, Lee, DongSoo, Park, HyungGu, Pu, YoungGun, Lee, Kang-Yoon
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container_end_page 475
container_issue 5
container_start_page 470
container_title Journal of semiconductor technology and science
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creator Choi, Jin-Wook
Choi, Seung-Won
Kim, InSeong
Lee, DongSoo
Park, HyungGu
Pu, YoungGun
Lee, Kang-Yoon
description This paper presents a wideband Current-Reused Voltage Controlled Oscillator (VCO) with 2-Step Automatic Amplitude Calibration (AAC). Tuning range of the proposed VCO is from 1.95 GHz to 3.15 GHz. The mismatch of differential voltage is within 0.6 %. At 2.423 GHz, the phase noise is -116.3 dBc/Hz at the 1 MHz offset frequency with the current consumption of 2.6 mA. The VCO is implemented $0.13{\mu}m$ CMOS technology. The layout size is $720{\times}580{\mu}m^2$.
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title A Class-C Type Wideband Current-Reused VCO With Two-Step Automatic Amplitude Calibration Loop
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