JSSCがIEEE Xploreで参照できるようになっていたので、リンクを貼っておきます。ご参考までに。

Wei Deng, Kenichi Okada, and Akira Matsuzawa,
"Class-C VCO With Amplitude Feedback Loop for Robust Start-Up and Enhanced Oscillation Swing,"
IEEE JSSC, Vol. 48, No. 2, pp. 429-440, Feb. 2013.

Kenichi Okada, et al.,
"Full Four-Channel 6.3-Gb/s 60-GHz CMOS Transceiver With Low-Power Analog and Digital Baseband Circuitry,"
IEEE Journal of Solid-State Circuits, Vol. 48, No. 1, pp. 46-65, Jan. 2013.