Double-resonance quartz crystal oscillator and excitation of a resonator immersed in liquid media |
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Authors: | Satoh Tomio Ruslan Ruzaini Izyan Gotoh Satoshi Akitsu Tetsuya |
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Affiliation: | Toyo Communication Equipment Co., Kanagawa, Japan. |
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Abstract: | In this work we propose a novel circuit design: a double-resonance oscillator. Its oscillation shows two oscillation modes: frequency locking to the quartz crystal resonance and LC resonance oscillation. Transition of the oscillation mode and the strength of oscillation are analyzed and reviewed for the fundamental mode in comparison with a Colpitts oscillator. The experimental results support the estimates of negative resistance for the double-resonance oscillator compared with the LC oscillator. |
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