The following report explains the design of a frequency to voltage converter circuit using a charge pump. In general, it may be considered a black box which accepts a 0 to 2 kHz frequency signal in, and outputs a 0 to 10 volt DC level.
An additional feature of this circuit is the detection of digital direction signal. A "logic high" direction signal will give 0 to 10 volts out; a "logic low" direction signal will give 0 to -10 volts.
A voltage regulator is also available to power an off-board frequency sensor.
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Martin, Robert J.
Master of Science (M.S.)
College of Engineering
Length of Campus-only Access
Masters Thesis (Open Access)
Nelson, Pamela Ann, "Frequency to Voltage Signal Conditioner Circuit Design" (1987). Retrospective Theses and Dissertations. 5072.
Contributor (Linked data)
Martin, Robert J. [LC]