A rigorous analysis of local oscillator pulling in frequency and discrete-time domain

Author

Li, Chien-Jung ; Hsiao, Chieh-Hsun ; Wang, Fu-Kang ; Horng, Tzyy-Sheng ; Peng, Kang-Chun

Author_Institution

Dept. of Electr. Eng., Nat. Sun Yat-Sen Univ., Kaohsiung, Taiwan

fYear

2009

fDate

7-9 June 2009

Firstpage

409

Lastpage

412

Abstract

This study presents injection pulling effects on a local oscillator (LO) for wireless applications. A phase-locked loop under injection is analyzed in frequency domain to account for the inherent band-pass filtering on an injection signal. A discrete-time analysis is also provided to predict output spectra of the LO pulled by a sinusoidal and modulated injection signal. Comparison between theoretical predictions and experimental results shows excellent agreement.

Keywords

band-pass filters; phase locked loops; phase locked oscillators; band-pass filtering; discrete-time analysis; discrete-time domain; frequency domain; injection pulling; local oscillator; phase locked loop; wireless applications; Equations; Filters; Frequency conversion; Frequency domain analysis; Injection-locked oscillators; Local oscillators; Phase frequency detector; Phase locked loops; Signal analysis; Voltage-controlled oscillators; LO spectrum; Local oscillator (LO) pulling; injection pulling; phase-locked loop;

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.2009.5135569

Filename

5135569