Summary
As the result of the tests carried out by us it was established that the electromechanical infrasonic generator provides two sinusoidal voltages, displaced in phase by 90°. The phase angle error between these voltages does not exceed ±0.2 the range of the generated frequencies is 0.01–1 cps; the frequency instability does not exceed ±0.2%; the maximum output voltage is 100 v; the amplitude instability does not exceed ±0.3%; the nonlinear distortion factor does not exceed ±0.5 %; and the maximum background noise and interference at the output does not exceed 300 mv in the dynamic operating condition.
The generator completely satisfies the requirements of precision measuring generators in the range of infrasonic frequencies.
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Literature cited
Transactions of the Second All-Union Conference on the Automatic Control Theory [in Russian] (Acad. Sci. USSR, Press, v. 3, 1955).
N. S. Kurkina, Yu. L. Kurkin, R. D. Matsonashvili, A. N. Shumskii, and S. T. Shumskaya, Priborostroenie 3 (1960).
Additional information
G. A. Martynov and Yu. I. Yanova participated in this development work.
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Kurkin, Y.L., Kurkina, N.S., Matsonashvili, R.D. et al. Study of an infrasonic generator. Meas Tech 4, 43–47 (1961). https://doi.org/10.1007/BF01006374
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DOI: https://doi.org/10.1007/BF01006374