RF HBT oscillators with low-phase noise and high-power performance utilizing a (λ/4±δ) open-stubs resonator.
Ken'ichi HosoyaShinichi TanakaYasushi AmamiyaTakaki NiwaHidenori ShimawakiKazuhiko HonjoPublished in: IEEE Trans. Circuits Syst. I Regul. Pap. (2006)