4-bit DAC

268

03:50:46

Simple 4-bit Digital-Analog Converter with two opamps 

published 8 years ago

eekee

8 years ago

Not bad!

eekee

8 years ago

Oh, found a glitch: output is almost the same for input 7 and 8. Connect a logic train in place of the button and you'll see it. To fix, set input resistors to 40, 20, 10, and 5kΩ, (which are easier to calculate,) and feedback to 8kΩ.

Agoston99

8 years ago

Thanks you! I corrected the circuit with your values.

eekee

8 years ago

Welcome :)

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