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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

synthesizer with NE564

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sarah.sh

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i want to build a synthesizer by NE564 for 3-30MHz .i read the datasheet completely but i dont know how to set the range or how to design its loop filter.can u help me in those parts?
 
welcome to ETO,

The best way is to use modern techniques like DDS using Analog Devices' AD9834 or AD9851 and get all the frequencies at turn of rotary encoder knob. You get many construction articles on this.
 
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