[sdiy] Driving SSI2144 freq control with PWM from a microcontroller

[Harry Bissell]

Try the linear tech LT2644 or LT2645 PWM to DAC. Input PWM get a steady output up to 12 bit resolution in a single PWM cycle. 

Throw money at it I always say…

Harry Bissell

Sent from my iPhone

> On Nov 4, 2022, at 10:12 PM, Lanterman, Aaron D via Synth-diy <synth-diy at synth-diy.org> wrote:
> 
>  It’s been a while since I’ve done a synth design video:
> 
> https://youtu.be/RYA_k1I47l8
> 
> I have a senior design team working on a hybrid synth (digital oscillators, analog VCFs and VCAs), which got me thinking about minimalist control schemes that wouldn’t need an op amp. Not sure if this is a good idea or not.
> 
> Aaron Lanterman, Prof. of ECE, Georgia Tech
> My blog on Education and Innovation: https://edupocalypsenow.wordpress.com
> My blog on Electronics and Programming: https://lantertronics.blogspot.com
> My YouTube channel on Electronics and Programming: https://www.youtube.com/c/lantertronics
> 
> 
> 
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