An oscillator topology demonstrating an improved phase noise performance is proposed in
this paper. It exploits the time-variant phase noise model with insights into the phase noise …

A harmonic oscillator topology displaying an improved phase noise performance is
introduced in this paper. Exploiting the advantages yielded by operating the core transistors …

This tutorial illustrates the main features of the doubly-tuned transformer networks, focusing
on the various regimes of operation, the behavior around resonance, and the related …

In this paper we will present a low-phase-noise wide-tuning-range oscillator suitable for
scaled CMOS processes. It switches between the two resonant modes of a high-order LC …

This paper presents class-D CMOS oscillators capable of an excellent phase noise
performance from a very low power supply voltage. Starting from the recognition of the time …

The harmonic oscillator is a truly irreplaceable as well as ubiquitous analog integrated
circuit. Starting from the basics of its CMOS implementation, we will discuss the phase noise …

The relentless development of next-generation communication and radar systems sets
increasingly stringent requirements on the spectral purity of local oscillators. Decreasing …

This article proposes a fractional-N digital phase-locked loop (DPLL) that achieves a 265-
μW ultra-lowpower operation. The proposed switching feedback can seamlessly change the …

This paper presents a magnetically tuned (MT) multimode VCO featuring an ultrawide
frequency tuning range. A switched-triple-shielded transformer is proposed to change the …

BACKGROUND The development of wireless communication systems has increased the
demand for monolithically integrated, low-cost and low-phase-noise voltage controlled …