A 1V 50 GHz digital-controlled CMOS frequency divider

Author

Bai, Shuen-Yin ; Luo, Tang-Nian ; Chen, Yi-Jan Emery

Author_Institution

Nat. Taiwan Univ., Taipei

fYear

2006

fDate

12-15 Dec. 2006

Firstpage

755

Lastpage

758

Abstract

This paper presents a 50GHz wide operation range frequency divider implemented in 0.18 mum CMOS technology. The frequency divider adopted direct-injection-locked topology which features high speed capability. The body-source- connected NMOS switch transistor is coupled to the LC-tank to improve the locking range of the frequency divider. The wide frequency range from 41.5 GHz to 52 GHz is divided into four operating bands and the resonant frequency of the LC tanks is controlled by two digital bits. Powered by IV supply, the frequency divider consumes 8 mW with 10.5 GHz operation range. The core size of the frequency divider is 200 mum x 320 mum.

Keywords

CMOS integrated circuits; MOSFET; digital control; frequency dividers; LC-tank; NMOS switch transistor; digital-controlled CMOS frequency divider; direct-injection-locked topology; frequency 41.5 GHz to 52 GHz; resonant frequency; voltage 1 V; Bandwidth; CMOS technology; Digital control; Frequency conversion; Frequency synthesizers; Inductors; MOS devices; Phase locked loops; Resonant frequency; Switches; CMOS; digital control; direct injection lock; frequency divider; wide operation range;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Conference, 2006. APMC 2006. Asia-Pacific

Conference_Location

Yokohama

Print_ISBN

978-4-902339-08-6

Electronic_ISBN

978-4-902339-11-6

Type

conf

DOI

10.1109/APMC.2006.4429525

Filename

4429525