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555 VCO Help

Discussion in 'General Electronics Discussion' started by Shane_Stuart, May 1, 2015.

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  1. Shane_Stuart


    May 1, 2015
    Hello everyone,

    I am in need of some help coming up with a VCO circuit using a 555 timer. i know google searches bring up a huge list of results but none that seem to fit my needs very well.

    What i am trying to achieve is a linear VCO or voltage to frequency converter that when i apply 5Vdc i get a 5kHz signal out when i apply 15Vdc i get a 15kHz signal out etc. this is not an audio based project its more for voltage monitoring.

    Any help would be much appreciated
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