18-GHz band low-power LC VCO IC using LC bias circuit in 56-nm SOI CMOS

Xiao-li, XU; Chen, Cuilin; Sugiura, T.; Yoshimasu, Toshihiko

doi:10.1109/apmc.2017.8251604

Cited by 10 publications

(3 citation statements)

References 6 publications

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“…In [2] and [3], the tank losses are overcome on startup by adding a cross-coupled pair in class-B operation, but at the expense of efficiency and area. In [4]- [7], an amplitude feedback loop senses the oscillation amplitude, acting on V BIAS to switch on the transistor pair on startup and then pushing the devices in class-C at steady state. However, the amplitude peak detector loads the tank, thus reducing its quality factor.…”

Section: Introductionmentioning

confidence: 99%

Self-Biasing Dynamic Startup Circuit for Current-Biased Class-C Oscillators

Parisi

Tesolin

Mercandelli

et al. 2021

IEEE Microw. Wireless Compon. Lett.

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This work presents a very compact self-biasing dynamic startup circuit for class-C voltage-controlled oscillators (VCOs). Using a referenceless nonlinear inverting stage, the solution has been implemented in a 28-nm CMOS technology 14-GHz oscillator, leading to a VCO startup time better than 20 ns, at par with the fastest startup circuits in literature, with an extremely compact area of 0.003 mm 2 .

show abstract

Section: Introductionmentioning

confidence: 99%

Self-Biasing Dynamic Startup Circuit for Current-Biased Class-C Oscillators

Parisi

Tesolin

Mercandelli

et al. 2021

IEEE Microw. Wireless Compon. Lett.

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show abstract

“…Recently, there has been an increased demand in radio frequency design [1][2][3]. One of the most important blocks in transceiver communication systems are the voltage controlled oscillators (VCOs) [4][5][6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

“…Simulation result; 2 Measurement result;3 Including the power consumption of the VCO;4 Including the power consumption of the total structure;5 Silicon on insulator.…”

mentioning

confidence: 99%

Design of a 41.14–48.11 GHz Triple Frequency Based VCO

et al. 2019

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Growing deployment of more efficient communication systems serving electric power grids highlights the importance of designing more advanced intelligent electronic devices and communication-enabled measurement units. In this context, phasor measurement units (PMUs) are being widely deployed in power systems. A common block in almost all PMUs is a phase locked oscillator which uses a voltage controlled oscillator (VCO). In this paper, a triple frequency based voltage controlled oscillator is presented with low phase noise and robust start-up. The VCO consists of a detector, a comparator, and triple frequency. A VCO starts-up in class AB, then steadies oscillation in class C with low current oscillation. The frequency of the VCO, which is from 13.17 GHz to 16.03 GHz, shows that the frequency is tripling to 41.14–48.11 GHz. Therefore, its application is not limited to PMUs. This work has been simulated in a standard 0.18 µm CMOS process. The simulated VCO achieves a phase noise of −99.47 dBc/Hz at 1 MHz offset and −121.8 dBc/Hz at 10 MHz offset from the 48.11 GHz carrier.

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Means to Accelerate Transfer of Information Between Integrated Circuits

Melikyan

2023

Machine Learning-Based Design and Optimization of High-Speed Circuits

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18-GHz band low-power LC VCO IC using LC bias circuit in 56-nm SOI CMOS

Cited by 10 publications

References 6 publications

Self-Biasing Dynamic Startup Circuit for Current-Biased Class-C Oscillators

Self-Biasing Dynamic Startup Circuit for Current-Biased Class-C Oscillators

Design of a 41.14–48.11 GHz Triple Frequency Based VCO

Means to Accelerate Transfer of Information Between Integrated Circuits

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