P. Vaananen

A 4.3-GHz VCO with 2-GHz tuning range and low phase noise

Nikolay Tchamov, P. Vaananen, M. Metsanvirta, 2001 .

A 3.6 GHz double cross-coupled multivibrator VCO with 1.6-GHz tuning

Nikolay Tchamov, P. Vaananen, M. Metsanvirta, 2001 .