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DDS – Almost Built

Image by P^2 – Paul
This is a direct digital synthesis (DDS) radiofrequency signal generator built around an Analog Devices AD5932, and controlled by an Atmel ATMEGA168.

It’s a kit, available from Doug Pongrance, N3ZI, www.pongrance.com.

It’s intended as a flexible local oscillator for home-brew ham radio receivers, but works just fine as just a general-purpose high frequency signal generator.

Missing just a couple of configuration jumpers here, it’s almost ready for the smoke test.

ECS in final configuration

Image by jnalexander

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