This article introduces a compact and low phase noise (PN) 19-GHz quad-core class-F
voltage-controlled oscillator (VCO) based on a square-geometry transformer tank using the …

This paper presents the theory and implementation of a balanced dual-core inverse-class-F
(class-F) voltage-controlled oscillator (VCO). The class-F topology supports high-quality …

This paper presents an 8-to-10GHz CMOS voltage-controlled oscillator (VCO) with common-
mode (CM) resonance. It features a nested 8-shape inductor-based CM resonator with …

An optimized millimeter-wave digital controlled oscillator (DCO) in a 40-nm CMOS process
is presented in this work. The coarse-tuning modules and medium-tuning modules of the …

In this article, a mode-switching oscillator using multi-magnetic-coupling and active-source-
degenerating techniques is proposed to achieve wide frequency tuning and low phase …

This paper introduces a class-B/C nested-gm voltage-controlled oscillator (VCO) with
coupled tail filtering in the 28 GHz band. The addition of only two cross-coupled NMOSs …

In this article, a nonmanual harmonic tuning method is introduced for an-band low-phase-
noise (PN) Class-F23 voltage-controlled oscillator (VCO). The VCO organically combines …

Conventional transformer-based magnetic tuning has demonstrated dual-band or even multi-
band operation for voltage-controlled oscillators (VCOs). However, the destructive magnetic …

In this paper, a class-F 23 VCO using nonlinear-capacitance transforming technique to
simultaneously achieve low phase noise and a wide tuning range is proposed. The phase …

This article presents the design of a CMOS-based voltage-controlled oscillator (VCO)
operating in both-and-bands by fully utilizing the harmonics in Class-F tank. An auxiliary …