X-Authentication-Warning:	delorie.com: mail set sender to geda-user-bounces using -f
X-Recipient:	geda-user AT delorie DOT com
X-Virus-Scanned:	amavisd-new at neurotica.com
X-NSA-prism-xkeyscore:	I do not consent to surveillance, prick
X-Original-DKIM-Signature:	v=1; a=rsa-sha256; c=relaxed/simple; d=neurotica.com;
	s=default; t=1445728192;
	bh=p2Xaumkrka4a/gHkJxpYKMpy6OaxFhfBSwf/vjr2fYk=;
	h=Subject:To:References:From:Date:In-Reply-To;
	b=YZ2lbrdjoZyY4hwJ7t6iu6kLI+jnW7HnIvXISwM+E8hHJ45qxupY8Y2Cz1i+XABXZ
	fLev7KmGdGKn2nJRkrOh/McN5MrJrUncHt03dV9L9t0OXgqF280/MXMAICqz01uBAg
	qFs9d3bxAeEi2T7z8W3ZzKRj+8t1fvpKBjkrC3RU=
Subject:	Re: [geda-user] Stable and low noise references
To:	geda-user AT delorie DOT com
References:	<CAM2RGhThg+5B6iGQ__Uh4=MxPeSVb9p1gS_9C+ik--E8AqS3GA AT mail DOT gmail DOT com>
	<CAOuGh89DAYWn49KnuqHO6NHcyB3GUoVsPD4n8FR=wcg8AY6wYw AT mail DOT gmail DOT com>
	<201510162117 DOT 12255 DOT ad252 AT freeelectron DOT net>
	<CAM2RGhSXgieJ+p5i_nQsAUMRQh1rp1PXHx_jB5p2XECY6jgjQQ AT mail DOT gmail DOT com>
	<20151023070213 DOT GA19358 AT visitor2 DOT iram DOT es>
	<CAM2RGhS4=PPXf1L5a_E9uABrLviY+L8n+0Opgi6_ZGnipi4grg AT mail DOT gmail DOT com>
	<CAM2RGhRYR61dADi=mRN5CuT_wNMZqc62CUJawBHCOmAaGBD+Qw AT mail DOT gmail DOT com>
	<20151023212815 DOT GA31581 AT visitor2 DOT iram DOT es>
	<CAM2RGhQvNr1B4um1y6DAeaWgTPugBCWiNt6Z4eOvdYCK1j1SrQ AT mail DOT gmail DOT com>
	<20151024225457 DOT GA25400 AT visitor2 DOT iram DOT es>
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
User-Agent:	Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101
	Thunderbird/38.3.0
MIME-Version:	1.0
In-Reply-To:	<20151024225457.GA25400@visitor2.iram.es>
Reply-To:	geda-user AT delorie DOT com
Errors-To:	nobody AT delorie DOT com
X-Mailing-List:	geda-user AT delorie DOT com
X-Unsubscribes-To:	listserv AT delorie DOT com

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

- Raw text -