[time-nuts] Precision DACs

[Scott Stobbe]

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.
>>
>>
> FWIW:
>
> 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).
>
> Rick
>
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