NDLI: Low-power quadrature voltage-controlled oscillator using current-reuse and transformer-based Armstrong topologies

Content Provider	IET Digital Library
Author	Ryu, H. Ha, K. W. Baek, D.
Abstract	A new low-power current-reuse quadrature voltage-controlled oscillator (QVCO) is proposed. The proposed QVCO couples two complementary current-reuse Armstrong voltage-controlled oscillators (VCOs) using series coupling switches. The current-reuse technique reduces the power consumption, and the transformer-based Armstrong configuration improves the phase noise performance by increasing the negative Gm of the VCO core. The proposed QVCO consumes 2.46 mW of power at 8.71 GHz from a 1.1 V supply. The measured phase noise is −113.3 dBc/Hz at the offset frequency of 1 MHz, and the figure of merit is −188.2 dBc/Hz. The frequency tuning range is from 8.34 to 9.13 GHz. The chip area is 700 × 340 μm2 in a 0.13 μm CMOS process.
Starting Page	462
Ending Page	464
Page Count	3
ISSN	00135194
Volume Number	52
e-ISSN	1350911X
Issue Number	Issue 6, Mar (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/52/6
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2015.4043
Journal	Electronics Letters
Publisher Date	2016-02-05
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	CMOS Integrated Circuit CMOS Process Complementary Current-reuse Armstrong Voltage-controlled Oscillators Frequency 8.34 GHz to 9.13 GHz Integrated Circuit Noise Low Power Electronics Low-power Current-reuse Quadrature Voltage-controlled Oscillator Microwave IC Microwave Switches MMIC Oscillator Oscillator Phase Noise Power 2.46 MW Power Consumption QVCO Relay And Switches Series Coupling Switch Size 0.13 Mum Transformer Transformer-based Armstrong Configuration VCO Voltage 1.1 V Voltage-controlled Oscillator
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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