Cost-Effective 4 GHz VCO Using Only Miniature Spirals Realized in a 0.18 μm CMOS Process for Wireless Sensor Network (WSN) Applications

Cost-Effective 4 GHz VCO Using Only Miniature Spirals Realized in a 0.18 μm CMOS Process for Wireless Sensor Network (WSN) Applications

This paper presents an extremely cost-effective radio-frequency integrated circuit (RFIC) implementation technique by employing a digital logic CMOS process and reducing area occupation for voltage-controlled oscillators (VCOs) using all miniature inductors for wireless sensor network (WSN) applicat...

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Bibliographic Details
Main Authors: Heesauk Jhon, Min-Su Kim, Myounggon Kang
Format: Article
Language:English
Published: MDPI AG 2019-11-01
Series:Electronics
Subjects:
mixed/analog cmos process
symmetric
helical inductor
voltage-controlled oscillator
vco
phase noise
Online Access:https://www.mdpi.com/2079-9292/8/11/1369
Description
Summary:This paper presents an extremely cost-effective radio-frequency integrated circuit (RFIC) implementation technique by employing a digital logic CMOS process and reducing area occupation for voltage-controlled oscillators (VCOs) using all miniature inductors for wireless sensor network (WSN) applications. The designed VCO operates in the 4.0 GHz band with a power consumption of 1.4 mW and a phase noise of &#8722;113.6 dBc/Hz at 1 MHz, occupying a Si area of 0.283 &#215; 0.682 mm<sup>2</sup>. In addition, we confirmed that the figure of merit (FOM) of 183.8 in our design is competitive with that of other LC-VCOs that were fabricated using the RF option and designed with conventional inductors.
ISSN:2079-9292

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