منابع مشابه
Log-Domain Current-mode Quadrature Sinusoidal Oscillator
A log-domain current-mode quadrature sinusoidal oscillator based on lossless integrators is presented. The circuit is a direct realization of a first-order differential equation for obtaining the lossy and lossless integrators. Each of the log-domain lossless integrators is realized by using only NPN transistors and a grounded capacitor for achieving low-power and fast response. The proposed os...
متن کاملCurrent-mode Four-phase Quadrature Oscillator
This paper presents a current-mode four-phase third-order quadrature oscillator (QO) using current differencing transconductance amplifiers (CDTA). The proposed thirdorder QO consists of three CDTAs and three grounded capacitors, and it could generate four quadrature current outputs. The oscillation condition and oscillation frequency could be electronically and independently adjusted. Moreover...
متن کاملEnigmas of Fascism
REVIEWS Was fascism a revolutionary or a counter-revolutionary phenomenon? This question has always been the central dividing-line in the literature about it. If fascism was revolutionary, then it belongs with communism as a variant of totalitarian politics, and offers yet another example of the disasters to which twentieth-century revolutions led—Hitler and Stalin as twin monsters of the age. ...
متن کاملEnigmas in psychiatry.
1 Department of General Psychiatry, Institute of Mental Health, Singapore 2 Duke-NUS Graduate Medical School, Singapore 3 Department of Psychiatry, Singapore General Hospital, Singapore Address for Correspondence: Dr Ng Beng Yeong, Department of Psychiatry, Singapore General Hospital, Outram Road, Singapore 169608. Email: [email protected] Many practitioners of medicine find psychiatry “...
متن کاملCC-CCTA-Based Current-mode Quadrature Oscillator
This article presents a current-mode quadrature oscillator using current controlled current conveyor transconductance amplifiers (CC-CCTAs) as active elements. The proposed circuit is realized from a lossy integrator and a lossy differentiator. The oscillation condition and oscillation frequency can be electronically controlled via input bias currents. The proposed oscillator can be applied to ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: IEEE Microwave Magazine
سال: 2021
ISSN: 1527-3342,1557-9581
DOI: 10.1109/mmm.2020.3048220