Switched-Capacitor Phase-Shifter Oscillators

Tomoyuki MIYAZAKI  Yuuji HORIE  Chikara MINAMITAKE  Kazuo MIZUNO  

IEICE TRANSACTIONS on Electronics   Vol.E80-C   No.5   pp.714-716
Publication Date: 1997/05/25
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Electronic Circuits
switched capacitors,  phase shifter oscillator,  distortion,  automatic gain controller,  

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A switched-capacitor phase-shifter oscillator of low distortion is discussed. The dc voltage related to the amplitude of oscillation was made for an automatic gain controller. The distortion factor was less than 0.5% in the frequency range from 100 µHz to 1 Hz.