[volt-nuts] PWM voltage divider

Poul-Henning Kamp phk at phk.freebsd.dk
Wed Jan 8 04:32:58 EST 2014

In message <BBC0C14A893B4B5E8E434E94845E4FC1 at athlon>, "Ulrich Bangert" writes:

>I have used AVR Megas
>with software Sigma Delta DACs and precision analogue multiplexers to switch
>between the reference and GND up to 20 bits of resolution. Worked fine!

Once you get into that territory, the HP Journal articles on the
HP3458A ADC is mandatory reading:  The exact same issues are relevant
for a DAC.

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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Never attribute to malice what can adequately be explained by incompetence.

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