Re: HP 10544 OCXO

From: Arnd Gronenberg (arnd_at_gronenberg.com)
Date: 01/11/05 

Date: Wed, 12 Jan 2005 00:23:48 +0100

Gerhard Hoffmann wrote:

> Arnd Gronenberg wrote:
[...]
>>As the HP 10544A uses an AT cut crystal...
[...]
>
> If your oven works at 80 degC, it contains an SC cut crystal and not an AT.
> AT crystals have their optimum temperature at abt. 28 degC, they are close
> to useless at 80 degC.
>
> 73, Gerhard dk4xp

Hmm... On 1998/03/18 in rec.radio.amateur.homebrew (Message
<6epe5u$jnh$1@hpscit.sc.hp.com>) Richard Karlquist wrote:

[...]
> The big difference between the 10544 and 10811 is the change from
> AT cut to SC cut crystal.
[...]
> Rick Karlquist N6RK
> HP Santa Clara Division
> rkarlqu@scd.hp.com

That's why I assumed that the 10544 contains an AT cut crystal. I would
be interested to know which temperature calibration procedure is
applicable to the 10544...

73, Arnd DJ9PZ / AB2QP 

-- 
Arnd Gronenberg, DJ9PZ / AB2QP