Design of wide tuning-range CMOS VCOs using switched coupled-inductors
M Demirkan, SP Bruss… - IEEE Journal of Solid …, 2008 - ieeexplore.ieee.org
Two designs of voltage-controlled oscillators (VCOs) with mutually coupled and switched
inductors are presented in this paper to demonstrate that the tuning range of an LC VCO can …
inductors are presented in this paper to demonstrate that the tuning range of an LC VCO can …
A 2.2 to 2.9 GHz complementary class-C VCO with PMOS tail-current source feedback achieving–120 dBc/Hz phase noise at 1 MHz offset
The performance of low-powered transceivers is required to meet stringent specifications for
an advanced wireless radio application. It is critical for a voltage-controlled oscillator (VCO) …
an advanced wireless radio application. It is critical for a voltage-controlled oscillator (VCO) …
A dual-resonant mode 10/22-GHz VCO with a novel inductive switching approach
SL Liu, KH Chen, A Chin - IEEE Transactions on Microwave …, 2012 - ieeexplore.ieee.org
This paper presents a novel dual-band voltage-controlled oscillator (VCO) in a standard
0.18-μm CMOS technology. With special design in the LC tank, the circuit exhibits two …
0.18-μm CMOS technology. With special design in the LC tank, the circuit exhibits two …
Wideband Varactorless VCO Using a Tunable Negative-Inductance Cell
Y Chen, K Mouthaan - … Transactions on Circuits and Systems I …, 2010 - ieeexplore.ieee.org
A wideband LC voltage-controlled oscillator (VCO) design with a new varactorless
frequency-tuning technique is presented. The wideband continuous frequency tuning is …
frequency-tuning technique is presented. The wideband continuous frequency tuning is …
Ring-based triple-push VCOs with wide continuous tuning ranges
CC Chen, CC Li, BJ Huang, KY Lin… - … on microwave theory …, 2009 - ieeexplore.ieee.org
This paper proposes a new ring-based triple-push voltage-controlled oscillator (VCO)
architecture to achieve a wide tuning range and high operating frequencies. Two ring-based …
architecture to achieve a wide tuning range and high operating frequencies. Two ring-based …
A 1V 4 GHz-and-10 GHz transformer-based dual-band quadrature VCO in 0.18 μm CMOS
S Rong, HC Luong - 2007 IEEE Custom Integrated Circuits …, 2007 - ieeexplore.ieee.org
A notch-peak cancellation concept is introduced in transformer-based LC tanks to achieve a
dual-band quadrature VCO. Fabricated in 0.18 μm CMOS process and operated at 1V …
dual-band quadrature VCO. Fabricated in 0.18 μm CMOS process and operated at 1V …
A switched-transformer, 76% tuning-range VCO in 90nm CMOS
Y Huo, T Mattsson, P Andreani - 2010 Asia-Pacific Microwave …, 2010 - ieeexplore.ieee.org
This paper presents a prototype of multi-mode, multi-band CMOS VCO with a switched-
transformer resonator, designed and fabricated in 90nm CMOS process. By combining the …
transformer resonator, designed and fabricated in 90nm CMOS process. By combining the …
A 0.11mm2, 5.7-to-6.7GHz, parametrically pumped quadrature LC-VCO with digital outputs
We present a quadrature VCO based on mutual parametric pumping between two LC
resonators. The design occupies 0.11 mm 2 in 65nm CMOS, consumes 16.8 mW, and …
resonators. The design occupies 0.11 mm 2 in 65nm CMOS, consumes 16.8 mW, and …
A 49-to-62GHz CMOS quadrature VCO with bimodal enhanced magnetic tuning
A transformer-based enhanced-magnetic-tuning technique is presented to tune the
frequency of millimeter-wave oscillators. By switching the polarity of the phase shift of the …
frequency of millimeter-wave oscillators. By switching the polarity of the phase shift of the …
Techniques for improving CMOS VCO performance
CH Heng, A Bansal, SJ Cheng - 2009 IEEE International …, 2009 - ieeexplore.ieee.org
In this paper, we review some of the well known techniques for improving the performance of
CMOS tail current bias LC VCO, such as the phase noise and the tuning range. Based on …
CMOS tail current bias LC VCO, such as the phase noise and the tuning range. Based on …