音片発振回路に関する一研究

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  • One Study on Onpen Oscillator Circuits

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For the undesired frequency variations of the Onpen Oscillator, the changes in power supply potential is a major cause next to the temperature effect. But this frequency variation is much smaller compared with the tuning-fork oscilltor, because of the high Q of the Onpen Vibrator. If stabilized oscill-ator circuits are used, the frequency stability may be improved by more than one figure. On the other side, when the automatic voltage regulators and voltage regulation tubes are used, as the counter-measures for the changes of power supply potential, the amount of potential chenges may be reduced by less than ten per cent, and the frequency variation may be remarkably prevented. In this paper, some studies about the characteristics of Norrman's circuits, which are generally used as stabilized Onpen Oscillator circuits, the system of the improvement of frequency stability, and the adjusting method of the oscillation frequency are treated.

Article

信州大学工学部紀要 7: 159-178 (1957)

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