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Related Experiment Videos

A high accuracy linear rate meter.

C R Wyss

    Journal of Applied Physiology
    |August 1, 1975
    PubMed
    Summary
    This summary is machine-generated.

    A novel digital circuit achieves 100x greater accuracy in instantaneous rate measurement compared to existing meters. This high-precision rate meter operates accurately across a wide range of events per minute (epm).

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    Area of Science:

    • Instrumentation and Measurement
    • Digital Circuit Design
    • Analog Computing

    Background:

    • Commercially available rate meters often lack the precision required for sensitive scientific applications.
    • Accurate measurement of event rates is crucial in fields ranging from nuclear physics to biological assays.

    Purpose of the Study:

    • To develop a highly accurate instantaneous rate meter using digital circuit techniques.
    • To improve upon the accuracy limitations of existing rate measurement devices.

    Main Methods:

    • Implementation of analog computer techniques within a digital circuit framework.
    • Design and construction of a novel electronic circuit for real-time rate calculation.

    Main Results:

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  • The developed rate meter exhibits approximately 100 times the accuracy of conventional commercial rate meters.
  • Achieved accuracy of +/- 0.2 events/min over a broad measurement range (0.2-900 epm).
  • The circuit design is adaptable for digital display output and other time-function generation.

    • Conclusions:

    • Digital circuit implementation of analog techniques offers a pathway to significantly enhanced measurement accuracy.
    • The developed rate meter provides a high-precision, versatile tool for various scientific and technical applications.
    • The underlying design principles can be extended for generating other complex functions of time with high fidelity.