Singh, VimalDepartment of Mechatronics Engineering2024-07-052024-07-0520060925-103010.1007/s10470-006-7464-72-s2.0-33747153020https://doi.org/10.1007/s10470-006-7464-7https://hdl.handle.net/20.500.14411/1185There prevails a widespread notion that, given a closed-loop system, oscillation will commence and build up therein if the magnitude of loop gain is greater than unity at the frequency at which the angle of loop gain is zero degree. Three novel examples in which this notion fails are presented.eninfo:eu-repo/semantics/closedAccessBarkhausen criterionclosed-loop systemcondition of oscillationoperational amplifieroscillatorssinusoidal oscillationLetterQ4483251255WOS:00023974360001123