Fast frequency and phase tracking analog PLL for direct carrier synchronization

W Ahmad, M Kinsinger, YL Rajendra… - IEEE Transactions …, 2023‏ - ieeexplore.ieee.org
This article presents a wideband phase-locked loop (PLL) with a novel frequency acquisition
loop for a wide locking range and wide bandwidth in 130 nm SiGe BiCMOS technology. The …

100 years of Colpitts oscillators: Ontology review of common oscillator circuit topologies

M Azadmehr, I Paprotny… - IEEE Circuits and Systems …, 2020‏ - ieeexplore.ieee.org
The year 2018 marked 100 years since the introduction of a class of oscillatory circuits
called Colpitts oscillators. Few other electronic circuits have survived for such a long time …

Analysis of phase noise in 28 nm CMOS LC oscillator differential topologies: Armstrong, Colpitts, Hartley and common-source cross-coupled pair

I Chlis, D Pepe, D Zito - Journal of Circuits, Systems and Computers, 2015‏ - World Scientific
Comparative Phase Noise analyses of common-source cross-coupled pair, Colpitts, Hartley
and Armstrong differential oscillator circuit topologies, designed in 28 nm bulk CMOS …

A Ku-Band Low-Phase-Noise Cross-Coupled VCO in GaAs HBT Technology

J Zhang, Y Zhang, H Lu, Y Zhang, B Liu… - Journal of Circuits …, 2016‏ - World Scientific
In this paper, a fully integrated Ku-band voltage controlled oscillator (VCO) with low phase
noise is presented in a GaAs heterojunction bipolar transistor (HBT) technology. A cross …