Title :
A low phase-noise oscillator with a planar capacitively loaded microstrip resonator
Author :
Chen, Jia-Liang ; Chang, Sheng-Fuh ; Kuo, Shi-Wei
Author_Institution :
Dept. of Electr. Eng., Nat. Chung Cheng Univ., Taiwan
Abstract :
A low phase noise oscillator incorporated with a capacitively-loaded microstrip resonator was analyzed and designed in the 2 GHz range for wireless communication applications. The planar capacitively-loaded microstrip resonator provides two very close resonances such that its Q value can be dramatically enhanced compared with a single quarter-wavelength microstrip resonator. The measured results shows that the phase noise is effectively reduced to -110 dBc/Hz at 1 kHz off carrier by the capacitively-loaded microstrip resonator
Keywords :
MMIC oscillators; Q-factor; UHF integrated circuits; microstrip resonators; phase noise; 2 GHz; Q value; low phase-noise oscillator; phase noise; planar capacitively-loaded microstrip resonator; wireless communication applications; Coupling circuits; Equivalent circuits; Microstrip resonators; Noise measurement; Oscillators; Phase measurement; Phase noise; Power generation; Resonance; Wireless communication;
Conference_Titel :
Microwave Conference, 2001. APMC 2001. 2001 Asia-Pacific
Conference_Location :
Taipei
Print_ISBN :
0-7803-7138-0
DOI :
10.1109/APMC.2001.985309
