WIDEBAND INSTANTANEOUS FREQUENCY MEASUREMENTS (IFM) USING SAW DEVICES.

Y. Bar-Ness; H. Messer

doi:10.1109/ultsym.1980.197390

WIDEBAND INSTANTANEOUS FREQUENCY MEASUREMENTS (IFM) USING SAW DEVICES.

Y. Bar-Ness
, H. Messer

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Research output: Contribution to journal › Conference article › peer-review

Abstract

A popular method of performing frequency measurement is by using the autocorrelation of the signal to be measured with a delayed (fixed delay) version of the same signal. A disadvantage of this approach is the ambiguity in the result unless the input bandwidth is limited. Instead, a variable delay line controlled by a feedback arrangement is proposed. This approach using SAW components for the voltage controlled delay line (VCDL) is shown to provide a wide-band measurement with no ambiguity. Systems with different feedback loop filters are analyzed and compared.

Original language	English
Pages (from-to)	226-229
Number of pages	4
Journal	Ultrasonics Symposium Proceedings
Volume	1
DOIs	https://doi.org/10.1109/ultsym.1980.197390
State	Published - 1980
Event	Unknown conference - Boston, Mass Duration: 5 Nov 1980 → 7 Nov 1980

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10.1109/ultsym.1980.197390

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abstract = "A popular method of performing frequency measurement is by using the autocorrelation of the signal to be measured with a delayed (fixed delay) version of the same signal. A disadvantage of this approach is the ambiguity in the result unless the input bandwidth is limited. Instead, a variable delay line controlled by a feedback arrangement is proposed. This approach using SAW components for the voltage controlled delay line (VCDL) is shown to provide a wide-band measurement with no ambiguity. Systems with different feedback loop filters are analyzed and compared.",

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AB - A popular method of performing frequency measurement is by using the autocorrelation of the signal to be measured with a delayed (fixed delay) version of the same signal. A disadvantage of this approach is the ambiguity in the result unless the input bandwidth is limited. Instead, a variable delay line controlled by a feedback arrangement is proposed. This approach using SAW components for the voltage controlled delay line (VCDL) is shown to provide a wide-band measurement with no ambiguity. Systems with different feedback loop filters are analyzed and compared.

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ER -

WIDEBAND INSTANTANEOUS FREQUENCY MEASUREMENTS (IFM) USING SAW DEVICES.

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