© The Institution of Electrical Engineers
The paper presents the theory and design of a new class of variable-frequency harmonic RC oscillator with two similar RC or CR sections in a parallel-path canonic configuration. This architecture offers significant practical advantages when the frequency is varied electronically or is digitally controlled, as in VLSI on-chip realisations, and in ATE instrumentation systems.
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http://iet.metastore.ingenta.com/content/journals/10.1049/el_19880897
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