Title :
The effect of varactor non-linearity on the phase noise of a completely integrated 1.8 GHz VCO
Author :
Rogers, John ; Macedo, José ; Ojha, Jugnu ; Plett, Calvin
Author_Institution :
Carleton Univ., Ottawa, Ont., Canada
Abstract :
This work discusses variations in phase noise over the tuning range. The circuit has a phase noise of ~101 dBc/Hz at 100 kHz offset, and delivers -2 dBm differentially. Calculations predict phase noise with only a small error
Keywords :
UHF integrated circuits; UHF oscillators; integrated circuit design; integrated circuit noise; phase noise; varactors; voltage-controlled oscillators; 1.8 GHz; IC design; UHF ICs; VCO; phase noise; tuning range; varactor nonlinearity; Circuit optimization; Frequency; Impedance; Inductance; Inductors; Phase noise; Q factor; Tuning; Varactors; Voltage-controlled oscillators;
Conference_Titel :
Bipolar/BiCMOS Circuits and Technology Meeting, 1999. Proceedings of the 1999
Conference_Location :
Minneapolis, MN
Print_ISBN :
0-7803-5712-4
DOI :
10.1109/BIPOL.1999.803545