voltage to frequency converter

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Ten Y Dash

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voltage to frequency converter using 555

hey,

I need to create a voltage to frequency converter that will take an input analog voltage between 0 and +5 V and output a frequency.

It seems the easiest circuit to use would be a 555 timer circuit, does anyone know how to design this or know of where I could find a circuit schematic.

my Vcc is +5V

Thanks
 

555 timer voltage to frequency convert

What frequency / range are you looking for on output ?

555 is simple and crude, assuming a linear input, but if you say used a PIC or AVR with A/D on board, you could program the O/P on an I/O pin and code define the tables yourself and compensate for any adjustments on Vin

:F
 

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