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Subject: Re: [geda-user] Stable and low noise references
To: geda-user AT delorie DOT com
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From: "Dave McGuire (mcguire AT neurotica DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
Message-ID: <562C0FBF.2050604@neurotica.com>
Date: Sat, 24 Oct 2015 19:09:51 -0400
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On 10/24/2015 06:54 PM, Gabriel Paubert (paubert AT iram DOT es) [via
geda-user AT delorie DOT com] wrote:
>>> This is becoming offtopic, but the LTZ1000A is, to my knowledge, still
>>> the best reference available in terms of noise and long term stability,
>>> and until a few years ago, I only used buried Zener references when I
>>> needed high stability.
>>
>> It is. If you look at any of the tear downs people do of meters above
>> 6 digits they are all using that reference or one made by LT custom
>> for Fluke.
> 
> I was not aware of that, but this means that this device has cornered a
> market from people accepting to pay for the performance and might not be
> EOLed too quickly.

  This is very much an LT thing.  I think I can count the number of
parts they've EOLed, ever, on one hand.  Maybe two, but not by much.

              -Dave

-- 
Dave McGuire, AK4HZ
New Kensington, PA