Electronics > Projects, Designs, and Technical Stuff

Looking for simple DIY sine wave generator plans

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Gazucha:
Hi all,

 does anyone know of a simple, stable - and preferably cheap - circuit to generate sine waves up to at least 200Khz? No probs if it includes square wave option too.

 Cheers in advance...

Stonent:
Complete with example circuits!

http://www.jaycar.com.au/images_uploaded/XR2206V1.PDF



http://www.jameco.com/webapp/wcs/stores/servlet/ProductDisplay?langId=-1&storeId=10001&catalogId=10001&pa=34972&productId=34972&CID=octopart

They have them for about $8.00 but I've seen them for around $4.00

Harvs:
There are DDS sinewave generator boards off ebay in the region of $5 delivered.  Maybe the easiest option if you're just trying to get to an outcome.

Experimentonomen:
Those dds ic's usually need serial comms to make them work, and i dont think the op wants to go through that.

nctnico:
A board is not a chip! And most boards have a display, buttons and USB.

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