On 26/02/14 17:09, Bob Stewart wrote:
I've been experimenting with digital thermal compensation on my GPSDO. The
results have been favorable for a 14 bit dithered PWM-based DAC, but leaves a
bit to be desired in the big picture. And it takes up a lot of program bytes
on my PIC.. What's the
I've been experimenting with digital thermal compensation on my GPSDO. The
results have been favorable for a 14 bit dithered PWM-based DAC, but leaves a
bit to be desired in the big picture. And it takes up a lot of program bytes
on my PIC.. What's the general consensus on this? Should
On Wed, 26 Feb 2014 08:09:44 -0800 (PST)
Bob Stewart b...@evoria.net wrote:
I've been experimenting with digital thermal compensation on my GPSDO.
The results have been favorable for a 14 bit dithered PWM-based DAC, but
leaves a bit to be desired in the big picture. And it takes up a lot of
From: Attila Kinali att...@kinali.ch
To: Bob Stewart b...@evoria.net; Discussion of precise time and frequency
measurement time-nuts@febo.com
Sent: Wednesday, February 26, 2014 10:23 AM
Subject: Re: [time-nuts] Thermal Compensation: Digital vs Analog
On Wed, 26 Feb 2014 08
From: Attila Kinali att...@kinali.ch
To: Bob Stewart b...@evoria.net; Discussion of precise time and frequency
measurement time-nuts@febo.com
Sent: Wednesday, February 26, 2014 10:23 AM
Subject: Re: [time-nuts] Thermal Compensation: Digital vs Analog
On Wed, 26 Feb 2014 08:09:44 -0800 (PST)
Bob
If you can understand the temperature effects and can model them
accurately and you can measure temperatures and your DAC steps are
small enough, then digital compensation can be perfect. But you
are unlikely to meet all those conditions. In theory if the problem
is that the voltage diver's
