[time-nuts] Precision DACs
scott.j.stobbe at gmail.com
Wed Jul 27 14:15:08 EDT 2016
The first reference at hand I checked was the ADI Data Converter Handbook,
1986. Pg 60 Discusses track & hold, with a reference to the HDD-1206 as
including track/hold on die.
On Tue, Jul 26, 2016 at 2:46 PM, Richard (Rick) Karlquist <
richard at karlquist.com> wrote:
> On 7/25/2016 10:42 PM, Scott Stobbe wrote:
>> dramatically different due to glitching on code transition. That being
>> said, they are kept separate not to confuse sources of error.
> The 5071A has a "home brew" DDS that was designed by the late
> (and great) Robin Giffard. He used what he called a "blanking"
> circuit that disconnected the DAC during the time period when it
> is at risk for glitching on code transitions. He described it
> in terms of some new innovation he had invented. It seemed to
> me an "obvious" (that loaded word) idea that surely must have
> been used before. In any event, he was clearly doing something
> right (as usual).
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