A 40 GHz modified-Colpitts voltage controlled oscillator with increased tuning range.

Chao Su Sreenath Thoka Kee-Chee Tiew Randall L. Geiger A 40 GHz modified-Colpitts voltage controlled oscillator with increased tuning range. 717-720 2003 ISCAS (1) http://dx.doi.org/10.1109/ISCAS.2003.1205664 db/conf/iscas/iscas2003-1.html#SuTTG03