A 750μW 1.575GHz temperature-stable FBAR-based PLL

Author

Hu, Julie R. ; Pang, Wei ; Ruby, Richard C. ; Otis, Brian P.

Author_Institution

Dept. of Electr. Eng., Univ. of Washington, Seattle, WA, USA

fYear

2009

fDate

7-9 June 2009

Firstpage

317

Lastpage

320

Abstract

A 1.575 GHz phase-locked loop (PLL) using a bulk acoustic wave resonator (FBAR) based VCO is presented. Close-in phase noise is suppressed by the loop, while high-offset noise is suppressed by the extremely high Q (>2000) VCO. This technique results in a 750 muW PLL with phase noise of -82 and -138 dBc/Hz at 1 kHz and 1 MHz offset, respectively. A temperature-compensated FBAR stack is described, allowing quartz locking over a -10 to 100degC temperature range.

Keywords

UHF oscillators; bulk acoustic wave devices; charge pump circuits; phase locked loops; surface acoustic wave resonators; temperature measurement; thermal stability; voltage-controlled oscillators; VCO; bulk acoustic wave resonator; close-in phase noise; frequency 1.575 GHz; high-offset noise; phase-locked loop; power 750 muW; quartz locking; temperature -10 degC to 100 degC; temperature-stable FBAR-based PLL; Acoustic waves; Bandwidth; Charge pumps; Film bulk acoustic resonators; Frequency; Phase locked loops; Phase noise; Temperature distribution; Tuning; Voltage-controlled oscillators;

fLanguage

English

Publisher

ieee

Conference_Titel

Radio Frequency Integrated Circuits Symposium, 2009. RFIC 2009. IEEE

Conference_Location

Boston, MA

ISSN

1529-2517

Print_ISBN

978-1-4244-3377-3

Electronic_ISBN

1529-2517

Type

conf

DOI

10.1109/RFIC.2009.5135548

Filename

5135548