Debugging the VCO part 2

After spending a bit more time this evening, it appears that the MCU is working OK. I can see logic level changes all the way through the chain from the MCU, via the PLL to the Low Pass Filter.
That’s as far I got this evening. More to follow.

Author: Gareth Howell

IT Professional, radio amateur, scout leader and beer drinker. I enjoy helping small business use their limited IT budgets to best effect View all posts by Gareth Howell