<div dir="ltr"><div><div><div><div>If you need cheap a look at a triangle (LFO) circuit might be a good idea. <br>When you diode clip the top of a triangle wave you get a sine approximation that is often good enough for musical applications.<br><br></div>Also an option could be a "DAC" approach to generate a (quarter) sine using 4051 MUX and well chosen resistor values. The resulting sine can be very clean. <br>The circuit is dirt cheap to build and offers easy frequency control using a high frequent VCO and counters or just a single a micro controller for multiple sine generators. <br></div>This makes it a good approach when you need a lot of sine waves :)<br><br></div>Cheers<br></div>Theo<br><div><div><div><br></div></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Dec 6, 2017 at 2:52 AM, Joel B <span dir="ltr"><<a href="mailto:onephatcat@earthlink.net" target="_blank">onephatcat@earthlink.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto"><div><span></span></div><div>I’m trying to figure out how to convert this <div><a href="http://www.linear.com/solutions/1471" target="_blank">http://www.linear.com/<wbr>solutions/1471</a> to a BOM, but I don’t really know what I’m doing, and some seems obscure, like what op amp to use, and those things with the F Inside them is that a schottkey diode? Also not clear to me if this is a 1v/octave VCO...</div><div><br></div><div><span style="background-color:rgba(255,255,255,0)">Can a sine wave VCO be built on the cheap? I want a bank of them...</span></div><div><br></div><div>Joel</div><div><br><div>Sent from my iPhone </div></div></div></div><br>______________________________<wbr>_________________<br>
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