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Review of Scientific Instruments | Vol.21, Issue.4 | | Pages 302
A Low Frequency Sinusoidal Voltage Source
The low frequency range of an audio oscillator can be extended to d.c. by means of a heterodyning circuit using power line frequencies as a reference. The voltage wave forms are essentially sinusoidal and can be used for certain novel tests. A theoretical discussion of the beating phenomenon is included with particular applications and observed results.
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A Low Frequency Sinusoidal Voltage Source
The low frequency range of an audio oscillator can be extended to d.c. by means of a heterodyning circuit using power line frequencies as a reference. The voltage wave forms are essentially sinusoidal and can be used for certain novel tests. A theoretical discussion of the beating phenomenon is included with particular applications and observed results.
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