Signal generator DDS 0-5MHz (Arduino)

A DDS signal generator based on Arduino and AD603

Based on Arduino. Schematic and firmware are opensource. SOUT for Sine, Triangle, Square wave source out put; TTL for Square TTL signale output.
Adjustable output amplitude.
Adjustable DC offset. Superior scalability.

Specification:
Wave type : Sine, Triangle, Square
Frequency : Sine 100Hz~5MHz ; Triangle 100Hz~1MHz ; Square 100Hz~1MHz
Distortion : <0.1%
Wave Amplitude : 0.5V Vpp~9V Vpp
Bias voltage: -4.5V~4.5V
TTL level : 3.3V, 5V
TTL frequency: 100Hz~5MHz
Duty cycle: 50% (±5%)