[time-nuts] Austron 2200A investigation

Bob Camp lists at rtty.us
Sun May 19 08:48:51 EDT 2013


Just because it's old does not mean it was retired in working condition. It's not at all uncommon for small parts to magically get swapped from here and there onto the box that's about to be retired …. 

On May 19, 2013, at 4:13 AM, Luciano Paramithiotti <timeok.it at gmail.com> wrote:

> Hi,
> I have an Austron 2200A with FRS rubidium option. After 30 min. powerup and
> locking, PPS and Freq alarm goes up. The receiver position and the FRS  are
> ok. Looking the Rubidium and controller connection cable, I have seen the
> pin 8 (frequency control)of the rubidium is never been connected. The
> question are:
> 1) how the PLL can happen?  Cannot ! Different operation?
> 2) some one have the interface's schematic p.n. 10312676 "Osc cntl freq
> cntr" ?
> thank you,
> -- 
> Luciano
> Timeok
> visit : www.timeok.it
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