[sdiy] frequency to voltage? (theremin fun)

Nils Pipenbrinck np at inverse-entertainment.de
Fri Aug 10 11:42:09 CEST 2001


> Hi Nils,
> There are chips just for that, such as the TC9400, which I have been
> using on a non-synth related project. ...
> http://www.telcom-semi.com/products/datasheets/tc9400_2.pdf


I also took a look at the LM2917 and LM2907.. they are cheaper and easier to
get...
Any experiences with them?

Thanks,
    Nils





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