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E-band active Q-enhanced pseudo-combline resonator in 130nm SiGe BiCMOS
We present an active Q-enhanced pseudo-combline resonator integrated in 130 nm SiGe BiCMOS. It is shown that the resonator Q0 can be enhanced, controllably, from 15 to 1578 at 78.8 GHz through application of a SiGe HBT-based negative resistance circuit. This is the first time that resonator Q-enhancement is demonstrated experimentally in silicon above 40 GHz, and the first time negative enhancement with single-ended pseudo-combline loading is used.