Advanced rectifier and driver for analog VU meter

This paper deals with a construction and practical testing of a VU meter driver that includes an accurate rectifier and logarithmic driver of a pointer-type gauge. The logarithm is taken from the rectified signal by employing a capacitor discharge voltage curve. The appropriate circuit was built and...

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Bibliographic Details
Main Authors: Pospisilik, M, Adamek, M
Format: Conference Proceeding
Language:English
Subjects:
Capacitors
Driver circuits
Equations
gauge driver
logarithmic conversion
Pulse width modulation
rectifier
Rectifiers
Voltage measurement
VU meter
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Description
Summary:This paper deals with a construction and practical testing of a VU meter driver that includes an accurate rectifier and logarithmic driver of a pointer-type gauge. The logarithm is taken from the rectified signal by employing a capacitor discharge voltage curve. The appropriate circuit was built and tested and the results are also discussed in this article.
DOI:10.1109/DDECS.2011.5783127