Title :
Oscillator stability and phase noise reduction in phase locked active microstrip patch antenna
Author :
Andrews, J.W. ; Hall, P.S.
Author_Institution :
Sch. of Electron. & Electr. Eng., Birmingham Univ., UK
fDate :
4/30/1998 12:00:00 AM
Abstract :
A phase locked loop (PLL) method for controlling a 4 GHz active patch antenna was investigated in order to both frequency stabilise the oscillator and to reduce the phase noise; both these aims were achieved by optimising the PLL parameters. Experimental results showed that a phase noise reduction of up to 26 dB was realised
Keywords :
phase locked loops; 4 GHz; MESFET active device; PLL method; frequency stability; microstrip patch antenna; oscillator stability; phase locked active antenna; phase noise reduction;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19980660
