TY  - JOUR
A1  - Djurhuus, Torsten
A1  - Krozer, Viktor
T1  - A study of amplitude-to-phase noise conversion in planar oscillators
T2  - International journal of circuit theory and applications
N2  - This paper explores the many interesting implications for oscillator design, with optimized phase-noise performance, deriving from a newly proposed model based on the concept of oscillator conjugacy. For the case of 2-D (planar) oscillators, the model prominently predicts that only circuits producing a perfectly symmetric steady-state can have zero amplitude-to-phase (AM-PM) noise conversion, a so-called zero-state. Simulations on standard industry oscillator circuits verify all model predictions and, however, also show that these circuit classes cannot attain zero-states except in special limit-cases which are not practically relevant. Guided by the newly acquired design rules, we describe the synthesis of a novel 2-D reduced-order LC oscillator circuit which achieves several zero-states while operating at realistic output power levels. The potential future application of this developed theoretical framework for implementation of numerical algorithms aimed at optimizing oscillator phase-noise performance is briefly discussed.
KW  - AM-PM noise conversion
KW  - circuit analysis
KW  - nonlinear dynamical systems
KW  - oscillators
KW  - phase noise
KW  - system analysis and design
Y1  - 2020
UR  - http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/63857
UR  - https://nbn-resolving.org/urn:nbn:de:hebis:30:3-638578
SN  - 1097-007x
N1  - Open access funding enabled and organized by Projekt DEAL
VL  - 49
IS  - 1
SP  - 1
EP  - 17
PB  - Wiley
CY  - New York, NY [u.a.]
ER  -