Digital potentiometers/DAC

Hardware questions and issues with the FV-1

Moderator: frank

Post Reply
skajam66
Posts: 13
Joined: Mon Jun 10, 2013 5:32 am

Digital potentiometers/DAC

Post by skajam66 » Sat Apr 01, 2017 7:22 pm

A couple of questions:

1. Does anyone have any experience that they can share driving the FV-1 pot inputs using digital potentiometers or DACs? Is there a recommended method?

2. Is the internal 9-bit quantisation of the pot inputs a simple Vdd/512 formula (with hysteresis around these values)?

Regards
Ac

frank
Posts: 991
Joined: Wed Oct 19, 2005 12:26 pm
Contact:

Post by frank » Mon Apr 03, 2017 10:37 am

1. Never tried it so no suggestions but should work.

2. The DAC is actually a few more bits which are used internally to filter out any jitter and provide a stable value.
Frank Thomson
Experimental Noize

Post Reply