[sdiy] Low Frequency Square to Sine Waveshaper

[Tom Wiltshire]

I finally found the reference I was looking for;

http://electronicdesign.com/Articles/Index.cfm?ArticleID=6293



On 26 May 2008, at 04:33, Kyle Stephens wrote:

> Using a 555 timer and a 4024 ripple counter, I want to
> make an LFO with several outputs at 1/2n of the master
> clock frequency. At lowest, this'll go to about 0.1 Hz
> (not the clock freq but at the lowest divisor, 1/6 or
> 1/8, depending on how many outs I ultimately use).
>
> Square waves are fine and dandy, but I'd like some
> sine wave action too. For getting consistent shaping
> (not absolutely necessarily accurate, but cool if
> that's doable), what would work best? Would RC lowpass
> filters alone do the job?
>
>
>
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